Parasites, Hosts and Diseases

"Hansol Park"

Original Article

Genotypes of Echinococcus Species from Cattle in Tanzania: Mohammed Mebarek Bia, Seongjun Choe, Barakaeli Abdieli Ndosi, Hansol Park, Yeseul Kang, Chatanun Eamudomkarn, Tilak Chandra Nath, Sunmin Kim, Hyeong-Kyu Jeon, Dongmin Lee, Keeseon S. Eom; Korean J Parasitol 2021;59(5):457-464.
Published online October 22, 2021; DOI: https://doi.org/10.3347/kjp.2021.59.5.457

Cystic echinococcosis is a zoonotic parasitic disease caused by Echinococcus species. Tanzania is one of the endemic countries with cystic echinococcosis. This study focussed on identifying genotypes of Echinococcus spp. in Tanzania. We collected 7 cysts from cattle in Mwanza municipal (n=4) and Loliondo district (n=3). The cysts from Mwanza were all E. ortleppi and fertile. In contrast, the cysts from Loliondo were all E. granulosus sensu stricto and sterile. Two from the 4 cysts were a new haplotype of E. ortleppi (G5). These results can improve the preventive and control programs for humans and livestock in Tanzania. To our knowledge, this study is considered the first to identify the genotype and haplotype of Echinococcus spp. in Tanzania.

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Occurrence of Echinococcus felidis in Apex Predators and Warthogs in Tanzania: First Molecular Evidence of Leopards as a New, Definitive Host and Implications for Ecosystem Health
Barakaeli Abdieli Ndossi, Eblate Ernest Mjingo, Mary Wokusima Zebedayo, Seongjun Choe, Hansol Park, Lee Dongmin, Keeseon S. Eom, Mohammed Mebarek Bia
Pathogens.2025; 14(5): 443. CrossRef

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Brief Communication

Occurrence of a Hybrid Between Taenia saginata and Taenia asiatica Tapeworms in Cambodia: Taehee Chang, Bong-Kwang Jung, Sooji Hong, Hyejoo Shin, Seungwan Ryoo, Jeonggyu Lee, Keon Hoon Lee, Hansol Park, Keeseon S. Eom, Virak Khieu, Rekol Huy, Woon-Mok Sohn, Jong-Yil Chai; Korean J Parasitol 2021;59(2):179-182.
Published online April 22, 2021; DOI: https://doi.org/10.3347/kjp.2021.59.2.179

Abstract
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Human infection with Taenia asiatica or a hybrid between Taenia saginata and T. asiatica has not been reported in Cambodia. We detected for the first time a hybrid form between T. saginata and T. asiatica in Preah Vihear Province, Cambodia. An adult tapeworm specimen, i.e., 75 cm long strobila without scolex, was expelled from a 27-year-old man after praziquantel medication and purging. It was morphologically indistinguishable between T. saginata and T. asiatica. Several proglottids were molecularly analyzed to confirm the tapeworm species. The mitochondrial gene encoding cytochrome c oxidase subunit 1 (cox1) and nuclear genes encoding elongation factor-1α (ef1) and ezrin-radixin-moesin (ERM)-like protein (elp) were sequenced, and a single-allele analysis was performed to confirm the haploid genotype. The results revealed that our sample showed a discrepancy between the mitochondrial and 2 nuclear genes. It possessed homozygous sequences typical of T. saginata at cox1 and ef1 loci. However, it was heterozygous at the elp locus, with 1 allele in T. asiatica (elpA) and 1 in T. saginata (elpC), which indicates that it is a hybrid between T. saginata and T. asiatica. The present results confirmed the presence of a hybrid between T. saginata and T. asiatica in Cambodia and strongly suggest the existence of also ‘pure’ T. asiatica in Cambodia.

Citations

Citations to this article as recorded by

Molecular Identification and Appraisal of the Genetic Variation of Taenia saginata in Central Regions of Vietnam
Giang Tran Thi, Ilenia Azzena, Fabio Scarpa, Piero Cossu, Cong Danh Le, Phuong Anh Ton Nu, Thi Minh Chau Ngo, Daria Sanna, Marco Casu
Life.2022; 12(1): 70.     CrossRef
Case Report: Molecular Diagnosis Revealing an Intestinal Infection of a Hybridized Tapeworm (Taenia saginata and Taenia asiatica) to Human in Yunnan, China
Kan-Kan Chu, Ye Qiu, Ce-Heng Liao, Zhi You, Zuo-Shun He, Wen Fang, Hong-Ying Li, Peter Daszak, Jun-Jie Hu, Yun-Zhi Zhang, Xing-Yi Ge
Frontiers in Gastroenterology.2022;[Epub]     CrossRef

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Original Articles

Mitochondrial Genome of Spirometra theileri Compared with Other Spirometra Species

Barakaeli Abdieli Ndosi, Hansol Park, Dongmin Lee, Seongjun Choe, Yeseul Kang, Tilak Chandra Nath, Mohammed Mebarek Bia, Chatanun Eamudomkarn, Hyeong-Kyu Jeon, Keeseon S. Eom

Korean J Parasitol 2021;59(2):139-148.
Published online April 22, 2021

DOI: https://doi.org/10.3347/kjp.2021.59.2.139

Abstract

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This study was carried out to provide information on the taxonomic classification and analysis of mitochondrial genomes of Spirometra theileri. One strobila of S. theileri was collected from the intestine of an African leopard (Panthera pardus) in the Maswa Game Reserve, Tanzania. The complete mtDNA sequence of S. theileri was 13,685 bp encoding 36 genes including 12 protein genes, 22 tRNAs and 2 rRNAs with absence of atp8. Divergences of 12 protein-coding genes were as follow: 14.9% between S. theileri and S. erinaceieuropaei, 14.7% between S. theileri and S. decipiens, and 14.5% between S. theileri with S. ranarum. Divergences of 12 proteins of S. theileri and S. erinaceieuropaei ranged from 2.3% in cox1 to 15.7% in nad5, while S. theileri varied from S. decipiens and S. ranarum by 1.3% in cox1 to 15.7% in nad3. Phylogenetic relationship of S. theileri with eucestodes inferred using the maximum likelihood and Bayesian inferences exhibited identical tree topologies. A clade composed of S. decipiens and S. ranarum formed a sister species to S. erinaceieuropaei, and S. theileri formed a sister species to all species in this clade. Within the diphyllobothridean clade, Dibothriocephalus, Diphyllobothrium and Spirometra formed a monophyletic group, and sister genera were well supported.

Citations

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Diversity and biology of Spirometra tapeworms (Cestoda: Diphyllobothriidea), zoonotic parasites of wildlife: A review
Roman Kuchta, Anna J. Phillips, Tomáš Scholz
International Journal for Parasitology: Parasites and Wildlife.2024; 24: 100947.     CrossRef

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Morphological and Molecular Identification of Spirometra Tapeworms (Cestoda: Diphyllobothriidae) from Carnivorous Mammals in the Serengeti and Selous Ecosystems of Tanzania

Barakaeli Abdieli Ndosi, Hansol Park, Dongmin Lee, Seongjun Choe, Yeseul Kang, Tilak Chandra Nath, Mohammed Mebarek Bia, Chatanun Eamudomkarn, Hyeong-Kyu Jeon, Keeseon S. Eom

Korean J Parasitol 2020;58(6):653-660.
Published online December 29, 2020

DOI: https://doi.org/10.3347/kjp.2020.58.6.653

Abstract

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Spirometra tapeworms (Cestoda: Diphyllobothriidae) collected from carnivorous mammals in Tanzania were identified by the DNA sequence analysis of the mitochondrial cytochrome c oxidase subunit 1 (cox1) and internal transcribed spacer 1 (ITS1), and by morphological characteristics. A total of 15 adult worms were collected from stool samples and carcasses of Panthera leo, Panthera pardus, and Crocuta crocuta in the Serengeti and Selous ecosystems of Tanzania. Three Spirometra species: S. theileri, S. ranarum and S. erinaceieuropaei were identified based on morphological features. Partial cox1 sequences (400 bp) of 10 specimens were revealed. Eight specimens showed 99.5% similarity with Spirometra theileri (MK955901), 1 specimen showed 99.5% similarity with the Korean S. erinaceieuropaei and 1 specimen had 99.5% similarity with Myanmar S. ranarum. Sequence homology estimates for the ITS1 region of S. theileri were 89.8% with S. erinaceieuropaei, 82.5% with S. decipiens, and 78.3% with S. ranarum; and 94.4% homology was observed between S. decipiens and S. ranarum. Phylogenetic analyses were performed with 4 species of Spirometra and 2 species of Dibothriocephalus (=Diphyllobothrium). By both ML and BI methods, cox1 and ITS1 gave well supported, congruent trees topology of S. erinaceieuropaei and S. theileri with S. decipiens and S. ranarum forming a clade. The Dibothriocephalus species were sisters of each other and collectively forming successive outgroups. Our findings confirmed that 3 Spirometra species (S. theileri, S. ranarum, and S. erinaceieuropaei) are distributed in the Serengeti and Selous ecosystems of Tanzania.

Citations

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Molecular confirmation of Spirometra mansoni (Cestoda: Diphyllobothriidae) in Javanese keelback water snake (Fowlea melanzosta) in Indonesia
Ryanka Edila, Seongjun Choe, Mustofa Helmi Effendi, Lucia Tri Suwanti, John Yew Huat Tang
International Journal for Parasitology: Parasites and Wildlife.2025; 28: 101150.     CrossRef
Description of Spirometra asiana sp. nov. (Cestoda: Diphyllobothriidae) found in wild boars and hound dogs in Japan
Hiroshi Yamasaki, Hiromu Sugiyama, Yasuyuki Morishima, Hirotaka Kobayashi
Parasitology International.2024; 98: 102798.     CrossRef
Molecular Characterization of Spirometra erinaceieuropaei from Jungle Cat (Felis chaus) in North of Iran
Mahboobeh Salimi, Meysam Sharifdini, Eshrat Beigom Kia
Acta Parasitologica.2024; 69(1): 574.     CrossRef
Diversity and biology of Spirometra tapeworms (Cestoda: Diphyllobothriidea), zoonotic parasites of wildlife: A review
Roman Kuchta, Anna J. Phillips, Tomáš Scholz
International Journal for Parasitology: Parasites and Wildlife.2024; 24: 100947.     CrossRef
Mitochondrial Genome of Spirometra theileri Compared with Other Spirometra Species
Barakaeli Abdieli Ndosi, Hansol Park, Dongmin Lee, Seongjun Choe, Yeseul Kang, Tilak Chandra Nath, Mohammed Mebarek Bia, Chatanun Eamudomkarn, Hyeong-Kyu Jeon, Keeseon S. Eom
The Korean Journal of Parasitology.2021; 59(2): 139.     CrossRef

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Case Report

First Infestation Case of Sarcoptic Mange from a Pet Rabbit Oryctolagus cuniculus in Republic of Korea

Seongjun Choe, Sungryong Kim, Ki-Jeong Na, Tilak Chandra Nath, Barakaeli Abdieli Ndosi, Yeseul Kang, Mohammed Mebarek Bia, Dongmin Lee, Hansol Park, Chatanun Eamudomkarn, Hyeong-Kyu Jeon, Keeseon S. Eom

Korean J Parasitol 2020;58(3):315-319.
Published online June 26, 2020

DOI: https://doi.org/10.3347/kjp.2020.58.3.315

Abstract

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In November 2019 a 5-month-old mixed-breed rabbit presented to Chungbuk National University Veterinary Teaching Hospital, Cheongju-si, Chungbuk, Republic of Korea (Korea) with symptoms comprising pruritus, crusts on skin, poor appetite and reduced defecation. The rabbit was purchased 2 months prior from a pet shop located in a big market, and that the symptoms were first observed about 2 weeks prior to the hospital visit. Physical examination revealed that the patient had crust formation and alopecia on the nose together with lesions on the digits. A skin scraping test was performed using mineral oil and a high density of mites was observed by microscopy. Each mite showed a round, tortoise-like body with 4 comparatively short pairs of legs. The anus was located at the terminal unlike with suspected pathogen, Notoedres cati. Based on morphological characteristics, we identified the mite as Sarcoptes sp. Ivermectin was administered weekly by subcutaneous injection at a dosage of 0.4 mg/kg, and 4 weeks of follow-up study revealed the patient was fully recovered. And no more mites were detected from the case. This is the first case report of sarcoptic mange in a pet rabbit in Korea.

Citations

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Genetic and Serological Survey of Sarcoptic Mange (Sarcoptes scabiei) in Wild Boars (Sus scrofa) in South Korea
Sanghyun Lee, Garam Kim, So-Jeong Kim, Weon-Hwa Jheong, Dong-Hyuk Jeong
Animals.2024; 14(23): 3490.     CrossRef
Zoonotic Episodes of Scabies: A Global Overview
Barbara Moroni, Luca Rossi, Charlotte Bernigaud, Jacques Guillot
Pathogens.2022; 11(2): 213.     CrossRef
Mange in Rabbits: An Ectoparasitic Disease with a Zoonotic Potential
Wafaa A. Abd El-Ghany, Remo Lobetti
Veterinary Medicine International.2022; 2022: 1.     CrossRef

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Original Article

Identity of Spirometra theileri from a Leopard (Panthera pardus) and Spotted Hyena (Crocuta crocuta) in Tanzania

Keeseon S. Eom, Hansol Park, Dongmin Lee, Seongjun Choe, Yeseul Kang, Mohammed Mebarek Bia, Barakaeli Abdieli Ndosi, Tilak Chandra Nath, Chatanun Eamudomkarn, Julius Keyyu, Robert Fyumagwa, Simon Mduma, Hyeong-Kyu Jeon

Korean J Parasitol 2019;57(6):639-645.
Published online December 31, 2019

DOI: https://doi.org/10.3347/kjp.2019.57.6.639

Abstract

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In the present study, a Spirometra species of Tanzania origin obtained from an African leopard (Panthera pardus) and spotted hyena (Crocuta crocuta) was identified based on molecular analysis of cytochrome c oxidase I (cox1) and NADH dehydrogenase subunit I (nad1) as well as by morphological observations of an adult tapeworm. One strobila and several segments of a Spirometra species were obtained from the intestine of an African male leopard (Panthera pardus) and spotted hyena (Crocuta Crocuta) in the Maswa Game Reserve of Tanzania. The morphological characteristics of S. theileri observed comprised 3 uterine loops on one side and 4 on the other side of the mid-line, a uterine pore situated posterior to the vagina and alternating irregularly either to the right or left of the latter, and vesicular seminis that were much smaller than other Spirometra species. Sequence differences in the cox1 and nad1 genes between S. theileri (Tanzania origin) and S. erinaceieuropaei were 10.1% (cox1) and 12.0% (nad1), while those of S. decipiens and S. ranarum were 9.6%, 9.8% (cox1) and 13.0%, 12.6% (nad1), respectively. The morphological features of the Tanzania-origin Spirometra specimens coincided with those of S. theileri, and the molecular data was also consistent with that of S. theileri, thereby demonstrating the distribution of S. theileri in Tanzania. This places the leopard (Panthera pardus) and spotted hyena (Crocuta Crocuta) as new definitive hosts of this spirometrid tapeworm.

Citations

Citations to this article as recorded by

Molecular confirmation of Spirometra mansoni (Cestoda: Diphyllobothriidae) in Javanese keelback water snake (Fowlea melanzosta) in Indonesia
Ryanka Edila, Seongjun Choe, Mustofa Helmi Effendi, Lucia Tri Suwanti, John Yew Huat Tang
International Journal for Parasitology: Parasites and Wildlife.2025; 28: 101150.     CrossRef
Deciphering the global genetic structure of Spirometra mansoni and S. erinaceieuropaei based on 28S ribosomal RNA: Insights into taxonomical revaluation and population dynamics
Anil Kumar Nehra, Rasmita Panda, Prem Sagar Maurya, Ansu Kumari, Aman Dev Moudgil
Parasitology Research.2025;[Epub]     CrossRef
Description of Spirometra asiana sp. nov. (Cestoda: Diphyllobothriidae) found in wild boars and hound dogs in Japan
Hiroshi Yamasaki, Hiromu Sugiyama, Yasuyuki Morishima, Hirotaka Kobayashi
Parasitology International.2024; 98: 102798.     CrossRef
Molecular Characterization of Spirometra erinaceieuropaei from Jungle Cat (Felis chaus) in North of Iran
Mahboobeh Salimi, Meysam Sharifdini, Eshrat Beigom Kia
Acta Parasitologica.2024; 69(1): 574.     CrossRef
Diversity and biology of Spirometra tapeworms (Cestoda: Diphyllobothriidea), zoonotic parasites of wildlife: A review
Roman Kuchta, Anna J. Phillips, Tomáš Scholz
International Journal for Parasitology: Parasites and Wildlife.2024; 24: 100947.     CrossRef
Cystic echinococcosis in donkeys in eastern Africa
Erastus Mulinge, Eberhard Zeyhle, Cecilia Mbae, Lucy Gitau, Timothy Kaburu, Japhet Magambo, Ute Mackenstedt, Thomas Romig, Peter Kern, Marion Wassermann
Parasitology.2023; 150(5): 468.     CrossRef
Evidence of Toxocara Eggs in Pachycrocuta brevirostris (Gervais, 1850) Coprolites from the Pleistocene of Taurida Cave (Crimea)
T. N. Sivkova, D. R. Khantemirov, D. O. Gimranov, A. V. Lavrov, A. V. Kochnev
Doklady Biological Sciences.2022; 504(1): 82.     CrossRef
Morphometrical and Molecular Characterization of Oesophagostomum columbianum (Chabertiidae: Oesophagostominae) and Haemonchus contortus (Trichostrongylidae: Haemonchinae) Isolated from Goat (Capra hircus) in Sylhet, Bangladesh
Tilak Chandra Nath, Dongmin Lee, Hansol Park, Seongjun Choe, Barakaeli Abdieli Ndosi, Yeseul Kang, Mohammed Mebarek Bia, Chatanun Eamudomkarn, Uday Kumar Mohanta, Kazi Mehetazul Islam, Jamal Uddin Bhuiyan, Hyeong-Kyu Jeon, Keeseon S. Eom, José F. Silveira
Journal of Parasitology Research.2021; 2021: 1.     CrossRef
Mitochondrial Genome of Spirometra theileri Compared with Other Spirometra Species
Barakaeli Abdieli Ndosi, Hansol Park, Dongmin Lee, Seongjun Choe, Yeseul Kang, Tilak Chandra Nath, Mohammed Mebarek Bia, Chatanun Eamudomkarn, Hyeong-Kyu Jeon, Keeseon S. Eom
The Korean Journal of Parasitology.2021; 59(2): 139.     CrossRef
A survey of intestinal helminths in domestic dogs in a human–animal–environmental interface: the Oloisukut Conservancy, Narok County, Kenya
E. Mulinge, E. Zeyhle, J. Mpario, M. Mugo, L. Nungari, B. Ngugi, B. Sankale, P. Gathura, J. Magambo, M. Kachani
Journal of Helminthology.2021;[Epub]     CrossRef
African Lions and Zoonotic Diseases: Implications for Commercial Lion Farms in South Africa
Jennah Green, Catherine Jakins, Eyob Asfaw, Nicholas Bruschi, Abbie Parker, Louise de Waal, Neil D’Cruze
Animals.2020; 10(9): 1692.     CrossRef
Ocular Sparganosis: The First Report of Spirometra ranarum in Thailand
Wilai Saksirisampant, Chatanun Eamudomkarn, Hyeong-Kyu Jeon, Keeseon S. Eom, Buravej Assavapongpaiboon, Sunisa Sintuwong, Wasee Tulvatana
The Korean Journal of Parasitology.2020; 58(5): 577.     CrossRef
Morphological and Molecular Identification of Spirometra Tapeworms (Cestoda: Diphyllobothriidae) from Carnivorous Mammals in the Serengeti and Selous Ecosystems of Tanzania
Barakaeli Abdieli Ndosi, Hansol Park, Dongmin Lee, Seongjun Choe, Yeseul Kang, Tilak Chandra Nath, Mohammed Mebarek Bia, Chatanun Eamudomkarn, Hyeong-Kyu Jeon, Keeseon S. Eom
The Korean Journal of Parasitology.2020; 58(6): 653.     CrossRef

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Case Report

A Clonorchiasis Case of a Leopard Cat, Prionailurus bengalensis euptilurus, Diagnosed by Ultrasonography and Egg Detection in Republic of Korea

Seongjun Choe, Dong-Hyuk Jeong, Jeong-Jin Yang, Jeongho Kim, Ki-Jeong Na, Dongmin Lee, Hansol Park, Hyeong-Kyu Jeon, Keeseon S. Eom

Korean J Parasitol 2019;57(3):299-302.
Published online June 30, 2019

DOI: https://doi.org/10.3347/kjp.2019.57.3.299

Abstract

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A clonorchiasis case in a captive leopard cat, Prionailurus bengalensis euptilurus, was confirmed by ultrasonographic findings and egg morphologies found in the bile juice sample in the Korea. The leopard cat was introduced from the wild habitat of Gyeongsangnam-do, to Cheongju Zoo in Cheongju-si, Chungcheongbuk-do, Korea in August 2014. Physical examinations were basically performed for quarantine and check-up health. The cat was comparatively good in health except anorexia. The cyst-like bile duct dilation and the increased echogenicity of gall bladder wall and hepatic parenchyma were observed by ultrasonography. Ultrasound-guided needle biopsy was conducted for collecting bile juice and the specimens were observed under light microscope. The numerous small trematode eggs were detected in the bile juice sample of the light microscopy. The eggs were 25-33 (28±3) μm by 18-22 (20±1) μm in size and showed typical characteristics of Clonorchis sinensis egg, i.e., a dominantly developed operculum, shoulder rim and dust-like wrinkles in surface. To treat the liver fluke infection, 20 mg/kg of praziquantel was orally administered only once to the case. Follow-up studies including fecal examinations were conducted during 2 years after treatment. But no more eggs were detected from the case. In the present study, we described the first clonorchiasis case of leopard cat, which was confirmed by ultrasonographic findings and egg morphologies from the bile juice sample in Korea.

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Jun Ho Choi, Singeun Oh, Myung-hee Yi, Dongjun Kang, Du-Yeol Choi, Xavier Chavarria, Arwa Shatta, Yoon Hee Cho, Seongjun Choe, Seung-Hun Lee, Ju Yeong Kim
Parasites, Hosts and Diseases.2025; 63(4): 349.     CrossRef
Metabarcoding of pathogenic parasites based on copro-DNA analysis of wild animals in South Korea
Jun Ho Choi, Soo Lim Kim, Dong Kyun Yoo, Myung-hee Yi, Singeun Oh, Myungjun Kim, Sohyeon Yun, Tai-Soon Yong, Seongjun Choe, Jong Koo Lee, Ju Yeong Kim
Heliyon.2024; 10(9): e30059.     CrossRef
Neoplasia in captive Tsushima leopard cats (Prionailurus bengalensis euptilurus)
Shin-Ichi Nakamura, Kiyokazu Ozaki, Chisa Minoura, Takamitsu Tsukahara
Journal of Comparative Pathology.2023; 204: 11.     CrossRef
Fibrinous pleuritis associated with Streptococcus canis in a leopard cat (Prionailurus bengalensis euptilurus)
Min-Gyeong Seo, Kook-Young Han, Sang-Hyun Kim, Chang Keun Kang, Jong-Hyun Kim, Il-Hwa Hong
Journal of Veterinary Science.2023;[Epub]     CrossRef
Current status of Clonorchis sinensis and clonorchiasis in Korea: epidemiological perspectives integrating the data from human and intermediate hosts
Won Gi Yoo, Woon-Mok Sohn, Byoung-Kuk Na
Parasitology.2022; 149(10): 1296.     CrossRef

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Brief Communications

Complete Sequence of the Mitochondrial Genome of Spirometra ranarum: Comparison with S. erinaceieuropaei and S. decipiens

Hyeong-Kyu Jeon, Hansol Park, Dongmin Lee, Seongjun Choe, Yeseul Kang, Mohammed Mebarek Bia, Sang-Hwa Lee, Keeseon S. Eom

Korean J Parasitol 2019;57(1):55-60.
Published online February 26, 2019

DOI: https://doi.org/10.3347/kjp.2019.57.1.55

Abstract

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This study was undertaken to determine the complete mitochondrial DNA sequence and structure of the mitochondrial genome of Spirometra ranarum, and to compare it with those of S. erinaceieuropaei and S. decipiens. The aim of this study was to provide information of the species level taxonomy of Spirometra spp. using the mitochondrial genomes of 3 Spirometra tapeworms. The S. ranarum isolate originated from Myanmar. The mitochondrial genome sequence of S. ranarum was compared with that of S. erinaceieuropaei (GenBank no. KJ599680) and S. decipiens (GenBank no. KJ599679). The complete mtDNA sequence of S. ranarum comprised 13,644 bp. The S. ranarum mt genome contained 36 genes comprising 12 protein-coding genes, 22 tRNAs and 2 rRNAs. The mt genome lacked the atp8 gene, as found for other cestodes. All genes in the S. ranarum mitochondrial genome are transcribed in the same direction and arranged in the same relative position with respect to gene loci as found for S. erinaceieuropaei and S. decipiens mt genomes. The overall nucleotide sequence divergence of 12 protein-coding genes between S. ranarum and S. decipiens differed by 1.5%, and 100% sequence similarity was found in the cox2 and nad6 genes, while the DNA sequence divergence of the cox1, nad1, and nad4 genes of S. ranarum and S. decipiens was 2.2%, 2.1%, and 2.6%, respectively.

Citations

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Molecular identification of sparganum of Spirometra mansoni isolated from the abdominal cavity of a domestic cat in Vietnam
Yen Thi Hoang NGUYEN, Lan Anh Thi NGUYEN, Hieu VAN DONG, Hieu Duc DUONG, Ayako YOSHIDA
Journal of Veterinary Medical Science.2024; 86(1): 96.     CrossRef
Spirometra species from Asia: Genetic diversity and taxonomic challenges
Hiroshi Yamasaki, Oranuch Sanpool, Rutchanee Rodpai, Lakkhana Sadaow, Porntip Laummaunwai, Mesa Un, Tongjit Thanchomnang, Sakhone Laymanivong, Win Pa Pa Aung, Pewpan M. Intapan, Wanchai Maleewong
Parasitology International.2021; 80: 102181.     CrossRef
Insight into One Health Approach: Endoparasite Infections in Captive Wildlife in Bangladesh
Tilak Chandra Nath, Keeseon S. Eom, Seongjun Choe, Shahadat Hm, Saiful Islam, Barakaeli Abdieli Ndosi, Yeseul Kang, Mohammed Mebarek Bia, Sunmin Kim, Chatanun Eamudomkarn, Hyeong-Kyu Jeon, Hansol Park, Dongmin Lee
Pathogens.2021; 10(2): 250.     CrossRef
Mitochondrial Genome of Spirometra theileri Compared with Other Spirometra Species
Barakaeli Abdieli Ndosi, Hansol Park, Dongmin Lee, Seongjun Choe, Yeseul Kang, Tilak Chandra Nath, Mohammed Mebarek Bia, Chatanun Eamudomkarn, Hyeong-Kyu Jeon, Keeseon S. Eom
The Korean Journal of Parasitology.2021; 59(2): 139.     CrossRef
Low prevalence of spargana infection in farmed frogs in the Yangtze River Delta of China
Xiaoli Zhang, Rongsheng Mi, Yehua Zhang, Shijie Zhang, Tao Sun, Haiyan Jia, Yan Huang, Haiyan Gong, Xiangan Han, Zhaoguo Chen
Infection, Genetics and Evolution.2020; 85: 104466.     CrossRef

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Infections with Digenean Trematode Metacercariae in Two Invasive Alien Fish, Micropterus salmoides and Lepomis macrochirus, in Two Rivers in Chungcheongbuk-do, Republic of Korea

Seongjun Choe, Hansol Park, Dongmin Lee, Yeseul Kang, Hyeong-Kyu Jeon, Keeseon S. Eom

Korean J Parasitol 2018;56(5):509-513.
Published online October 31, 2018

DOI: https://doi.org/10.3347/kjp.2018.56.5.509

Abstract

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Present study was performed to survey infection status of digenetic trematode metacercariae in 2 alien fish species, Micropterus salmoides (largemouth bass) and Lepomis macrochirus (bluegill), in 2 rivers draining Chungcheongbuk-do, Republic of Korea. A total of 107 largemouth bass and 244 bluegills were caught in Daecheong-ho (ho=lake) and Musim-cheon (a branch of Geum-gang), in Chungcheongbuk-do April-July 2015. Additionally, 68 native fish of 5 species, i.e., Zacco platypus, Hemibarbus longirostris, Carassius auratus, Pseudogobio esocinus and Puntungia herzi, were caught from the same water bodies. All of the fish collected were examined by artificial digestion method. The metacercariae of Centrocestus armatus, Clinostomum complanatum, Metagonimus sp. and Diplostomum spp. were detected from 4 out of 5 native fish species in Daecheong-ho. However, any metacercariae were not found from 87 M. salmoides and 177 L. macrochirus in Daecheong-ho. In Musim-cheon, metacercariae of Exorchis oviformis and Metacercaria hasegawai were detected from 78% Z. platypus and 34% L. macrochirus, but any metacercariae not found in M. salmoides. We report here that the 2 alien fish species were less infected with the metacercariae than the native ones. Surveys on the metacercariae in the alien fish species in geographically various rivers should be undertaken for better understanding on the role of alien fish species in the trematode infections in Republic of Korea.

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Woon-Mok Sohn
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Tae-Sik Yu, Chang Woo Ji, Young-Seuk Park, Kyeong-Ho Han, Ihn-Sil Kwak
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Survey of Zoonotic Trematode Metacercariae in Fish from Water Systems of Geum-gang (River) in Republic of Korea
Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Cheon-Hyeon Kim, Min-Ah Hwang, Kyeong-Woo No, Jai-Dong Kim
The Korean Journal of Parasitology.2021; 59(1): 23.     CrossRef
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Antonino Pace, Ludovico Dipineto, Serena Aceto, Maria Concetta Censullo, Maria Carmen Valoroso, Lorena Varriale, Laura Rinaldi, Lucia Francesca Menna, Alessandro Fioretti, Luca Borrelli
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Infection Status with Clonorchis sinensis Metacercariae in Fish from Yangcheon (Stream) in Sancheong-gun, Gyeongsangnam-do, Korea
Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Jung-Won Ju
The Korean Journal of Parasitology.2019; 57(2): 145.     CrossRef

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Molecular and Morphologic Identification of Spirometra ranarum Found in the Stool of African Lion, Panthera leo in the Serengeti Plain of Tanzania

Keeseon S. Eom, Hansol Park, Dongmin Lee, Seongjun Choe, Yeseul Kang, Mohammed Mebarek Bia, Sang-Hwa Lee, Julius Keyyu, Robert Fyumagwa, Hyeong-Kyu Jeon

Korean J Parasitol 2018;56(4):379-383.
Published online August 31, 2018

DOI: https://doi.org/10.3347/kjp.2018.56.4.379

Abstract

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The present study was performed with morphological and molecular analysis (cox1 and nad1 mitochondrial genes) to identify the proglottids of spirometrid tapeworm found in the stool of an African lion, Panthera leo, in the Serengeti plain of Tanzania. A strand of tapeworm strobila, about 75 cm in length, was obtained in the stool of a male African lion in the Serengeti National Park (34˚ 50’ E, 02˚ 30’ S), Tanzania, in February 2012. The morphological features of the adult worm examined exhibited 3 uterine coils with a bow tie appearance and adopted a diagonal direction in the second turn. The posterior uterine coils are larger than terminal uterine ball and the feature of uteri are swirling rather than spirally coiling. The sequence difference between the Spirometra species (Tanzania origin) and S. erinaceieuropaei (GenBank no. KJ599680) was 9.4% while those of S. decipiens (GenBank no. KJ599679) differed by 2.1% in the cox1 and nad1 genes. Phylogenetic tree topologies generated using the 2 analytic methods were identical and presented high level of confidence values for the 3 major branches of the 3 Spirometra species in the cox1 gene. The morphological and molecular findings obtained in this study were nearly coincided with those of S. ranarum. Therefore, we can know for the first time that the African lion, Panthera leo, is to the definitive host of this tapeworm.

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Roman Kuchta, Anna J. Phillips, Tomáš Scholz
International Journal for Parasitology: Parasites and Wildlife.2024; 24: 100947.     CrossRef
Spirometra species from Asia: Genetic diversity and taxonomic challenges
Hiroshi Yamasaki, Oranuch Sanpool, Rutchanee Rodpai, Lakkhana Sadaow, Porntip Laummaunwai, Mesa Un, Tongjit Thanchomnang, Sakhone Laymanivong, Win Pa Pa Aung, Pewpan M. Intapan, Wanchai Maleewong
Parasitology International.2021; 80: 102181.     CrossRef
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Zhijun HOU, Zhiwei PENG, Yao NING, Dan LIU, Hongliang CHAI, Guangshun JIANG
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Jennah Green, Catherine Jakins, Eyob Asfaw, Nicholas Bruschi, Abbie Parker, Louise de Waal, Neil D’Cruze
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Morphological and Molecular Identification of Spirometra Tapeworms (Cestoda: Diphyllobothriidae) from Carnivorous Mammals in the Serengeti and Selous Ecosystems of Tanzania
Barakaeli Abdieli Ndosi, Hansol Park, Dongmin Lee, Seongjun Choe, Yeseul Kang, Tilak Chandra Nath, Mohammed Mebarek Bia, Chatanun Eamudomkarn, Hyeong-Kyu Jeon, Keeseon S. Eom
The Korean Journal of Parasitology.2020; 58(6): 653.     CrossRef
Complete Sequence of the Mitochondrial Genome of Spirometra ranarum: Comparison with S. erinaceieuropaei and S. decipiens
Hyeong-Kyu Jeon, Hansol Park, Dongmin Lee, Seongjun Choe, Yeseul Kang, Mohammed Mebarek Bia, Sang-Hwa Lee, Keeseon S. Eom
The Korean Journal of Parasitology.2019; 57(1): 55.     CrossRef
Identity of Spirometra theileri from a Leopard (Panthera pardus) and Spotted Hyena (Crocuta crocuta) in Tanzania
Keeseon S. Eom, Hansol Park, Dongmin Lee, Seongjun Choe, Yeseul Kang, Mohammed Mebarek Bia, Barakaeli Abdieli Ndosi, Tilak Chandra Nath, Chatanun Eamudomkarn, Julius Keyyu, Robert Fyumagwa, Simon Mduma, Hyeong-Kyu Jeon
The Korean Journal of Parasitology.2019; 57(6): 639.     CrossRef

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Original Article

Genetic and Morphologic Identification of Spirometra ranarum in Myanmar

Hyeong-Kyu Jeon, Hansol Park, Dongmin Lee, Seongjun Choe, Yeseul Kang, Mohammed Mebarek Bia, Sang-Hwa Lee, Woon-Mok Sohn, Sung-Jong Hong, Jong-Yil Chai, Keeseon S. Eom

Korean J Parasitol 2018;56(3):275-280.
Published online June 30, 2018

DOI: https://doi.org/10.3347/kjp.2018.56.3.275

Abstract

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In the present study, we identified a Spirometra species of Myanmar origin (plerocercoid) by molecular analysis using mitochondrial cox1 and nad1 genes, as well as by morphological observations of an adult tapeworm. Spargana specimens were collected from a paddy-field in Taik Kyi Township Tarkwa Village, Yangon, Myanmar in December 2017. A total of 5 spargana were obtained from 20 frogs Hoplobatrachus rugulosus; syn: Rana rugulosa (Wiegmann, 1834) or R. tigrina (Steindachner, 1867). The plerocercoids were used for experimental infection of a dog. After 4 weeks of infection, an adult tapeworm was recovered from the intestine of the dog. Morphologically, the distinct features of Spirometra sp. (Myanmar origin) relative to S. erinaceieuropaei and S. decipiens include a uterine morphology comprising posterior uterine coils that larger than the terminal uterine ball and coiling of the uteri diagonally (swirling) rather than spirally. The cox1 sequences (1,566 bp) of the Myanmar-origin Spirometra species showed 97.9% similarity to a reference sequence of S. decipiens (GenBank no. KJ599679) and 90.5% similarity to a reference sequence of S. erinaceieuropaei (GenBank no. KJ599680). Phylogenetic tree topologies were identical and presented high confidence level of values for the 3 major branches of the 3 Spirometra species in cox1 and nad1 genes. These results indicated that Myanmar-origin Spirometra species coincided with those of S. ranarum and may be considered as a valid species.

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Deciphering the global genetic structure of Spirometra mansoni and S. erinaceieuropaei based on 28S ribosomal RNA: Insights into taxonomical revaluation and population dynamics
Anil Kumar Nehra, Rasmita Panda, Prem Sagar Maurya, Ansu Kumari, Aman Dev Moudgil
Parasitology Research.2025;[Epub]     CrossRef
Description of Spirometra asiana sp. nov. (Cestoda: Diphyllobothriidae) found in wild boars and hound dogs in Japan
Hiroshi Yamasaki, Hiromu Sugiyama, Yasuyuki Morishima, Hirotaka Kobayashi
Parasitology International.2024; 98: 102798.     CrossRef
Molecular Characterization of Spirometra erinaceieuropaei from Jungle Cat (Felis chaus) in North of Iran
Mahboobeh Salimi, Meysam Sharifdini, Eshrat Beigom Kia
Acta Parasitologica.2024; 69(1): 574.     CrossRef
Diversity and biology of Spirometra tapeworms (Cestoda: Diphyllobothriidea), zoonotic parasites of wildlife: A review
Roman Kuchta, Anna J. Phillips, Tomáš Scholz
International Journal for Parasitology: Parasites and Wildlife.2024; 24: 100947.     CrossRef
Medical Parasitology Taxonomy Update, June 2020–June 2022
Blaine A. Mathison, Richard S. Bradbury, Bobbi S. Pritt, Romney M. Humphries
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Epidemiology, Diagnosis, and Prevention of Sparganosis in Asia
Wei Liu, Tengfang Gong, Shuyu Chen, Quan Liu, Haoying Zhou, Junlin He, Yong Wu, Fen Li, Yisong Liu
Animals.2022; 12(12): 1578.     CrossRef
Genetic and Morphological Identification of Spirometra decipiens in Snakes and Domestic Dog Found in Cuba
Alexander Morales, Rebeca M. Laird-Pérez, Virginia Capó, Enrique Iglesias, Luis Fonte, Arturo Plascencia-Hernández, Enrique J. Calderón, Keeseon S. Eom, Yaxsier de Armas, Héctor R. Pérez-Gómez
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Morphological Characteristics and Molecular Phylogenetic Evidence Support the Existence of a New Spirometra Species, Spirometra Asiana, (Cestoda: Diphyllobothriidae) in the Wild Boar
Hiroshi Yamasaki, Hiromu Sugiyama, Yasuyuki Morishima
SSRN Electronic Journal .2022;[Epub]     CrossRef
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Hiroshi Yamasaki, Oranuch Sanpool, Rutchanee Rodpai, Lakkhana Sadaow, Porntip Laummaunwai, Mesa Un, Tongjit Thanchomnang, Sakhone Laymanivong, Win Pa Pa Aung, Pewpan M. Intapan, Wanchai Maleewong
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An annotated checklist of the eukaryotic parasites of humans, exclusive of fungi and algae
Blaine A. Mathison, Sarah G. H. Sapp
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Prevalence and molecular characterization of Spirometra erinaceieuropaei spargana in snakes in Hunan Province, China
W. Liu, L. Tan, Y. Huang, W.C. Li, Y.S. Liu, L.C. Yang
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Larval Gnathostomes and Spargana in Chinese Edible Frogs, Hoplobatrachus rugulosus, from Myanmar: Potential Risk of Human Infection
Jong-Yil Chai, Bong-Kwang Jung, Jin-Youp Ryu, Hyun-Seung Kim, Sung-Jong Hong, Thi Thi Htoon, Htay Htay Tin, Byoung-Kuk Na, Woon-Mok Sohn
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Ocular Sparganosis: The First Report of Spirometra ranarum in Thailand
Wilai Saksirisampant, Chatanun Eamudomkarn, Hyeong-Kyu Jeon, Keeseon S. Eom, Buravej Assavapongpaiboon, Sunisa Sintuwong, Wasee Tulvatana
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Morphological and Molecular Identification of Spirometra Tapeworms (Cestoda: Diphyllobothriidae) from Carnivorous Mammals in the Serengeti and Selous Ecosystems of Tanzania
Barakaeli Abdieli Ndosi, Hansol Park, Dongmin Lee, Seongjun Choe, Yeseul Kang, Tilak Chandra Nath, Mohammed Mebarek Bia, Chatanun Eamudomkarn, Hyeong-Kyu Jeon, Keeseon S. Eom
The Korean Journal of Parasitology.2020; 58(6): 653.     CrossRef
Complete Sequence of the Mitochondrial Genome of Spirometra ranarum: Comparison with S. erinaceieuropaei and S. decipiens
Hyeong-Kyu Jeon, Hansol Park, Dongmin Lee, Seongjun Choe, Yeseul Kang, Mohammed Mebarek Bia, Sang-Hwa Lee, Keeseon S. Eom
The Korean Journal of Parasitology.2019; 57(1): 55.     CrossRef
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Tomáš Scholz, Roman Kuchta, Jan Brabec
International Journal for Parasitology: Parasites and Wildlife.2019; 9: 359.     CrossRef
Genetic Identification of Spirometra erinaceieuropaei Spargana in Liaoning and Hubei Provinces, PR China
Li He, Zheng-Ming Fang, Ting Xue, Er-Fu Zhang, Chun-Li An
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Mitochondrial DNA Sequence Variability of Spirometra Species in Asian Countries
Hyeong-Kyu Jeon, Keeseon S. Eom
The Korean Journal of Parasitology.2019; 57(5): 481.     CrossRef
Identity of Spirometra theileri from a Leopard (Panthera pardus) and Spotted Hyena (Crocuta crocuta) in Tanzania
Keeseon S. Eom, Hansol Park, Dongmin Lee, Seongjun Choe, Yeseul Kang, Mohammed Mebarek Bia, Barakaeli Abdieli Ndosi, Tilak Chandra Nath, Chatanun Eamudomkarn, Julius Keyyu, Robert Fyumagwa, Simon Mduma, Hyeong-Kyu Jeon
The Korean Journal of Parasitology.2019; 57(6): 639.     CrossRef
Molecular Genetic Findings of Spirometra decipiens and S. ranarum in Korea
Hyeong-Kyu Jeon, Sun Huh, Woon-Mok Sohn, Jong-Yil Chai, Keeseon S. Eom
The Korean Journal of Parasitology.2018; 56(4): 359.     CrossRef

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Brief Communications

Spirometra decipiens (Cestoda: Diphyllobothriidae) Collected in A Heavily Infected Stray Cat from the Republic of Korea

Hyeong-Kyu Jeon, Hansol Park, Dongmin Lee, Seongjun Choe, Keeseon S. Eom

Korean J Parasitol 2018;56(1):87-91.
Published online February 28, 2018

DOI: https://doi.org/10.3347/kjp.2018.56.1.87

Abstract

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Morphological and molecular characteristics of spirometrid tapeworms, Spirometra decipiens, were studied, which were recovered from a heavily infected stray cat road-killed in Eumseong-gun, Chungcheongbuk-do (Province), the Republic of Korea (=Korea). A total of 134 scolices and many broken immature and mature proglottids of Spirometra tapeworms were collected from the small intestine of the cat. Morphological observations were based on 116 specimens. The scolex was 22.8-32.6 mm (27.4 mm in average) in length and small spoon-shape with 2 distinct bothria. The uterus was coiled 3-4 times, the end of the uterus was ball-shaped, and the vaginal aperture shaped as a crescent moon was closer to the cirrus aperture than to the uterine aperture. PCR amplification and direct sequencing of the cox1 target fragment (377 bp in length and corresponding to positions 769-1,146 bp of the cox1 gene) were performed using total genomic DNA extracted from 134 specimens. The cox1 sequences (377 bp) of the specimens showed 99.0% similarity to the reference sequence of S. decipiens and 89.3% similarity to the reference sequence of S. erinaceieuropaei. In the present study, we report a stray cat heavily infected with S. decipiens identified by mitochondrial cox1 sequence analysis and morphological examinations of the adult worms.

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Sooji Hong, Hyejoo Shin, Seungwan Ryoo, Chung-Won Lee, Jae-Young Park, Jong-Yil Chai, Bong-Kwang Jung
Parasites, Hosts and Diseases.2025; 63(2): 182.     CrossRef
Molecular Characterization of Spirometra erinaceieuropaei from Jungle Cat (Felis chaus) in North of Iran
Mahboobeh Salimi, Meysam Sharifdini, Eshrat Beigom Kia
Acta Parasitologica.2024; 69(1): 574.     CrossRef
Epidemiology, Diagnosis, and Prevention of Sparganosis in Asia
Wei Liu, Tengfang Gong, Shuyu Chen, Quan Liu, Haoying Zhou, Junlin He, Yong Wu, Fen Li, Yisong Liu
Animals.2022; 12(12): 1578.     CrossRef
The global prevalence of Spirometra parasites in snakes, frogs, dogs, and cats: A systematic review and meta‐analysis
Milad Badri, Meysam Olfatifar, Amir KarimiPourSaryazdi, Leila Zaki, Luis Manuel Madeira de Carvalho, Majid Fasihi Harandi, Fatemeh Barikbin, Parisa Madani, Aida Vafae Eslahi
Veterinary Medicine and Science.2022; 8(6): 2785.     CrossRef
First Clinical Cases of Spirometrosis in Two Cats in Korea
Joohyung Kim, Younsung Ock, Kihwan Yang, Seongjun Choe, Kyung-Mee Park, Wan-Kyu Lee, Kyung-Chul Choi, Soochong Kim, Dongmi Kwak, Seung-Hun Lee
The Korean Journal of Parasitology.2021; 59(2): 153.     CrossRef
Low prevalence of spargana infection in farmed frogs in the Yangtze River Delta of China
Xiaoli Zhang, Rongsheng Mi, Yehua Zhang, Shijie Zhang, Tao Sun, Haiyan Jia, Yan Huang, Haiyan Gong, Xiangan Han, Zhaoguo Chen
Infection, Genetics and Evolution.2020; 85: 104466.     CrossRef
Molecular Genetic Findings of Spirometra decipiens and S. ranarum in Korea
Hyeong-Kyu Jeon, Sun Huh, Woon-Mok Sohn, Jong-Yil Chai, Keeseon S. Eom
The Korean Journal of Parasitology.2018; 56(4): 359.     CrossRef

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New Record of Aspidogaster ijimai Kawamura, 1913 (Trematoda: Aspidogastridae) from Cyprinus carpio in Korea

Dongmin Lee, Hansol Park, Seongjun Choe, Yeseul Kang, Hyeong-Kyu Jeon, Keeseon S. Eom

Korean J Parasitol 2017;55(5):575-578.
Published online October 31, 2017

DOI: https://doi.org/10.3347/kjp.2017.55.5.575

Abstract

PDF

Aspidogastrid trematodes (Subclass Aspidogastrea) are a relatively small group with a characteristic adhesive disc and parasitize in a variety of cold-blooded hosts. Until now, only 2 species in the genus Cotylaspis, i.e., C. coreensis and C. sinensis, have been reported as the aspidogastrid trematode in the Republic of Korea (=Korea). In the present study, we intended to describe a species of aspidogastrids collected from the small intestine of the common carp, Cyprinus carpio, in a faunistic point of view. Total 51 specimens were collected from a carp caught in Nakdong-gang (River) on May 2015. Some of them were prepared as the specimens for light microscopic observations, and some others were prepared for SEM. They were slightly elongated without head lobes, 2,432×840 μm in average size, and had characteristic adhesive discs with 4 rows and 46 alveoli in average. The ovary was reniform and was located in the posterior-upper part of the body. The single testis was larger than the ovary and was located below the ovary. The uterus was coiled containing numerous eggs and distributed in the posterior 2/3 of the body. The vitellaria were follicular, and distributed from the mid-level of testis to near the posterior end. The morphological characters with dimensions of our specimens were closely identical with those of Aspidogaster ijimai previously described. A new aspidogastrid is added among the Korean trematode fauna by the present study.

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D. A. Solodovnik, D. M. Atopkin, A. A. Semenchenko, M. Urabe, S. G. Sokolov
Invertebrate Zoology.2025; 22(3): 411.     CrossRef
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Jaydipbhai Suthar, Sarah Al-Jufaili, Rodney A. Bray, Marcus Frank, Stefan Theisen, Harry W. Palm
Parasitology Research.2021; 120(10): 3405.     CrossRef
Redescription and supplementary molecular characteristics of Aspidogaster ijimai Kawamura, 1915 (Trematoda, Aspidogastrea, Aspidogastridae), a parasite of Cyprinus carpio Linnaeus, 1758 s. lato (Actinopterygii) and freshwater bivalves in East Asia
S.G. Sokolov, D.M. Atopkin, M. Urabe
Parasitology International.2019; 71: 167.     CrossRef

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Case Reports

Canine Wound Myiasis Caused by Lucilia sericata (Diptera: Calliphoridae) in Korea

Seongjun Choe, Dongmin Lee, Hansol Park, Hyeong-Kyu Jeon, Hakhyun Kim, Ji-Houn Kang, Cha-Ho Jee, Keeseon S. Eom

Korean J Parasitol 2016;54(5):667-671.
Published online October 31, 2016

DOI: https://doi.org/10.3347/kjp.2016.54.5.667

Abstract

PDF

Myiasis is a relatively common infection of animals kept as pets, although only 1 case of canine myiasis has been described so far in the Republic of Korea. In the present study, we report an additional case of canine wound myiasis with identification of its causative agent, Lucilia sericata. An 8-year-old male Siberian husky dog was referred with anorexia, vomiting, and diarrhea to the Chungbuk National University Veterinary Medical Center, Cheongju-si (city), Chungcheongbuk-do (province), Korea in July 2013. Physical examination indicated the patient had a deep wound filled with a maggot swarm as a left gluteal lesion. A total of 216 maggots were removed by forceps, and the wounded area was sponged with gauzes and disinfected with 70% alcohol and a povidone-iodine solution. After daily care and suturing the wound, the patient was discharged at day 19 after admission. Recovered worms possessed morphological characteristics similar to those of L. sericata, namely, a sub-cylindrical body with 6-8 lobed anterior spiracles, round shaped with a button surrounded by a peritremal ring with no gaps, and similar distances between dorsal, median, and outer papillae of the 12th segment. Additionally, cox1 partial sequences (528 bp) obtained in the present study showed 100% identity with those of L. sericata (GenBank no. KT272854.1). L. sericata is indicated as a pathogen of myiasis infection not only in humans, but also in animals kept as pets in Korea.

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Seongjun Choe, Sunmin Kim, Tilak Chandra Nath, Jeong-Ho Kim
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Morphological studies of fly puparia (Diptera: Calliphoridae) in the soil from a Joseon Dynasty grave in Korea
In-Yong Lee, Ju Yeong Kim, Jung-Min Park, Ji Ho Seo, Bo-Young Jeon, Tai-Soon Yong, Min Seo
Parasites, Hosts and Diseases.2023; 61(4): 471.     CrossRef
Cutaneous myiasis in cats and dogs: Cases, predisposing conditions and risk factors
Marco Pezzi, Chiara Scapoli, Milvia Chicca, Marilena Leis, Maria Gabriella Marchetti, Carlo Nicola Francesco Del Zingaro, Chiara Beatrice Vicentini, Elisabetta Mamolini, Annunziata Giangaspero, Teresa Bonacci
Veterinary Medicine and Science.2021; 7(2): 378.     CrossRef
The Growth Model of Forensically Important Lucilia sericata (Meigen) (Diptera: Calliphoridae) in South Korea
Sang Eon Shin, Ji Hye Park, Su Jin Jeong, Seong Hwan Park
Insects.2021; 12(4): 323.     CrossRef

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A Case of Chaunocephalosis by Chaunocephalus ferox (Digenea: Echinostomatidae) in an Oriental White Stork, Ciconia boyciana, in Korea

Seongjun Choe, Dongmin Lee, Hansol Park, Hyeong-Kyu Jeon, Youngsun Lee, Ki-Jeong Na, Shi-Ryong Park, Keeseon S. Eom

Korean J Parasitol 2016;54(5):659-665.
Published online October 31, 2016

DOI: https://doi.org/10.3347/kjp.2016.54.5.659

Abstract

PDF

We intended to describe a case of chaunocephalosis and morphological characteristics of its causative agent, Chaunocephalus ferox, recovered from an oriental white stork, Ciconia boyciana, in the Republic of Korea. An oriental white stork was referred to the Wildlife Center of Chungbuk in Korea in February 2014 for severe depression with cachexia and it died the next day. At necropsy, the stomach was severely expanded and 7 thick-walled nodules were observed in the upper part of the intestine. Although the stomach was filled with full of foreign materials, the intestine was almost empty. The nodules were globular and total 9 flukes were recovered. They were 8,030-8,091 μm in length and 3,318-3,333 μm in maximum width. Because the flukes had bulbous forebody with short narrow subcylindrical hindbody, 27 collar spines, and vitelline follicles not reaching to the posterior end, the specimens were identified as being C. ferox. The cyst formation induced thickening of the intestinal wall with narrowing of the lumen that could have contributed to the gastric impaction to the death of the host. This is the first described case of chaunocephalosis and its causative agent C. ferox found from an oriental white stork in Korea.

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Chaunocephalus ferox (Digenea: Echinostomatidae): a potential threat to the health of Oriental stork (Ciconia boyciana)
Mengchao Zhou, Mingyuan Yu, Mengqiu Liu, Hongrui Liang, Mengru Zhao, Yaxian Lu, Siyuan Qin, Xiaotian Zhang, Hongyan Yu, Hang Tian, Wanting Li, Feiluran Maimaiti, Weiyan Yin, Lei Han, Lihong Tian, Yu Xu, Zhijun Hou
European Journal of Wildlife Research.2025;[Epub]     CrossRef
Complete mitochondrial genome and phylogenetic implications of Chaunocephalus ferox (Digenea: Echinostomatidae), a critical pathogen for Oriental Stork conservation
Mengchao Zhou, Hongrui Liang, Zhiyou Lv, Xiaotian Zhang, Yang Liu, Yaxian Lu, Hongyan Yu, Hang Tian, Lei Han, Yu Xu, Zhijun Hou
International Journal for Parasitology: Parasites and Wildlife.2025; 28: 101129.     CrossRef
Morphological and Molecular Study on Trematodes of Storks (Ciconia ciconia and C. nigra) from Turkey
Mehmet Öztürk, Şinasi Umur
Acta Parasitologica.2025;[Epub]     CrossRef
Retrospective Analysis of Postmortem Findings in Oriental Stork (Ciconia boyciana) from Korea (2019-2023)
Byungkwan Oh, Myeon-Sik Yang, Dong-Soo Ha, Su-Kyung Kim, Hyun Jong Park, Bumseok Kim, Chae Woong Lim, Sang-Ik Oh
Journal of Veterinary Clinics.2024; 41(5): 323.     CrossRef
A case of nodular enteritis due to Chaunocephalus ferox in a white stork (Ciconia ciconia) in Bulgaria
P. T. Iliev, K. Dimitrov, A. Ivanov
BULGARIAN JOURNAL OF VETERINARY MEDICINE.2023; 26(4): 660.     CrossRef
Flying across Europe: the case of the spread of Chaunocephalus ferox on a black stork (Ciconia nigra)
M. Gonzálvez, C. Muñoz-Hernández, A. Gómez de Ramón, A. Buendía, F. Escribano, C. Martínez-Carrasco
Journal of Helminthology.2022;[Epub]     CrossRef
Infections with Digenetic Trematode Metacercariae in Freshwater Fishes from Two Visiting Sites of Migratory Birds in Gyeongsangnam-do, Republic of Korea
Woon-Mok Sohn, Byoung-Kuk Na
The Korean Journal of Parasitology.2019; 57(3): 273.     CrossRef
Infections of Two Isthmiophora Species (Digenea: Echinostomatidae) in Wild Mammals from Republic of Korea with Their Morphological Descriptions
Seongjun Choe, Ki-Jeong Na, Youngjun Kim, Dong-Hyuk Jeong, Jeong-Jin Yang, Keeseon S. Eom
The Korean Journal of Parasitology.2019; 57(6): 647.     CrossRef
New Definitive Hosts and Differential Body Indices of Isthmiophora hortensis (Digenea: Echinostomatidae)
Woon-Mok Sohn, Byoung-Kuk Na, Sung-Shik Shin
The Korean Journal of Parasitology.2017; 55(3): 287.     CrossRef
Echinostoma macrorchis (Digenea: Echinostomatidae): Metacercariae in Cipangopaludina chinensis malleata Snails and Adults from Experimental Rats in Korea
Woon-Mok Sohn, Byoung-Kuk Na
The Korean Journal of Parasitology.2017; 55(5): 541.     CrossRef

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Original Articles

Catenotaenia dendritica (Cestoda: Catenotaeniidae) and Three Ectoparasite Species in the Red Squirrel, Sciurus vulgaris, from Cheongju, Korea

Seongjun Choe, Dongmin Lee, Hansol Park, Hyeong-Kyu Jeon, Youngsun Lee, Ki-Jeong Na, In-Yong Lee, Keeseon S. Eom

Korean J Parasitol 2016;54(4):509-518.
Published online August 31, 2016

DOI: https://doi.org/10.3347/kjp.2016.54.4.509

Abstract

PDF

Parasites are recorded from the red squirrel, Sciurus vulgaris, from Cheongju, the Republic of Korea. A total of 5 road-killed squirrels were thoroughly examined for internal and external parasites from November 2011 to May 2014. Total 4 parasite species, including 1 tapeworm and 3 ectoparasite species were recovered. They were morphologically identified as Catenotaenia dendritica (Cestoda: Catenotaeniidae), Hirstionyssus sciurinus, Leptotrombidium pallidum, and Ceratophyllus (Monopsyllus) indages. Among them, C. dendritica and H. sciurinus are recorded for the first time in the Korean parasite fauna. In addition, the possibility that the red squirrel could act as a reservoir host for a zoonotic disease like tsutsugamushi disease with L. pallidum as its vector has been raised.

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First assessment of ectoparasite prevalence in Apennine populations of Eurasian red squirrel: does habitat fragmentation affect parasite presence?
Marcello Franchini, Giuseppe Mazza, Emiliano Mori
Ethology Ecology & Evolution.2022; 34(5): 497.     CrossRef
Zoonotic Pathogens in Wildlife Traded in Markets for Human Consumption, Laos
Pruksa Nawtaisong, Matthew T. Robinson, Khongsy Khammavong, Phonesavanh Milavong, Audrey Rachlin, Sabine Dittrich, Audrey Dubot-Pérès, Malavanh Vongsouvath, Paul F. Horwood, Philippe Dussart, Watthana Theppangna, Bounlom Douangngeum, Amanda E. Fine, Mathi
Emerging Infectious Diseases.2022; 28(4): 860.     CrossRef

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Molecular Detection of Spirometra decipiens in the United States

Hyeong-Kyu Jeon, Hansol Park, Dongmin Lee, Seongjun Choe, Woon-Mok Sohn, Keeseon S. Eom

Korean J Parasitol 2016;54(4):503-507.
Published online August 31, 2016

DOI: https://doi.org/10.3347/kjp.2016.54.4.503

Abstract

PDF

The genus Spirometra belongs to the family Diphyllobothriidae and order Pseudophyllidea, and includes intestinal parasites of cats and dogs. In this study, a plerocercoid labeled as Spirometra mansonoides from the USA was examined for species identification and phylogenetic analysis using 2 complete mitochondrial genes, cytochrome c oxidase I (cox1) and NADH dehydrogenase subunit 3 (nad3). The cox1 sequences (1,566 bp) of the plerocercoid specimen (USA) showed 99.2% similarity to the reference sequences of the plerocercoid of Korean Spirometra decipiens (GenBank no. KJ599679), and 99.1% similarity in regard to nad3 (346 bp). Phylogenetic tree topologies generated using 4 analytical methods were identical and showed high confidence levels with bootstrap values of 1.00, 100%, 100%, and 100% for Bayesian inference (BI), maximum-likelihood (ML), neighbor-joining (NJ), and maximum parsimony (MP) methods, respectively. Representatives of Diphyllobothrium and Spirometra species formed a monophyletic group, and the sister-genera status between these species was well supported. Trapezoic proglottids in the posterior 1/5 region of an adult worm obtained from an experimentally infected cat were morphologically examined. The outer uterine loop of the uterus coiling characteristically consisted of 2 complete turns. The results clearly indicated that the examined Spirometra specimen from the USA matched to S. decipiens very well, and indicated possible presence of the life cycle of this species in this region.

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Ryanka Edila, Seongjun Choe, Mustofa Helmi Effendi, Lucia Tri Suwanti, John Yew Huat Tang
International Journal for Parasitology: Parasites and Wildlife.2025; 28: 101150.     CrossRef
Diversity and biology of Spirometra tapeworms (Cestoda: Diphyllobothriidea), zoonotic parasites of wildlife: A review
Roman Kuchta, Anna J. Phillips, Tomáš Scholz
International Journal for Parasitology: Parasites and Wildlife.2024; 24: 100947.     CrossRef
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Wei Liu, Tengfang Gong, Shuyu Chen, Quan Liu, Haoying Zhou, Junlin He, Yong Wu, Fen Li, Yisong Liu
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Alexander Morales, Rebeca M. Laird-Pérez, Virginia Capó, Enrique Iglesias, Luis Fonte, Arturo Plascencia-Hernández, Enrique J. Calderón, Keeseon S. Eom, Yaxsier de Armas, Héctor R. Pérez-Gómez
Pathogens.2022; 11(12): 1468.     CrossRef
Insight into One Health Approach: Endoparasite Infections in Captive Wildlife in Bangladesh
Tilak Chandra Nath, Keeseon S. Eom, Seongjun Choe, Shahadat Hm, Saiful Islam, Barakaeli Abdieli Ndosi, Yeseul Kang, Mohammed Mebarek Bia, Sunmin Kim, Chatanun Eamudomkarn, Hyeong-Kyu Jeon, Hansol Park, Dongmin Lee
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A Case of Sparganosis Caused by Spirometra decipiens on the Femur
Shoko YOGO, Sakurako IMAMURA, Kiko NAGAI, Kayo HARADA, Eiji NAGAYASU, Haruhiko MARUYAMA, Kazunori URABE
Nishi Nihon Hifuka.2021; 83(5): 453.     CrossRef
Morphological Features and Structural Analysis of Plerocercoids of Spirometra erinaceieuropaei (Cestoda: Diphyllobothriidae) from European Pine Marten, Martes martes (Mammalia: Mustelidae) in Ukraine
Nataliya Yu. Rubtsova, Richard A. Heckmann
Comparative Parasitology.2020; 87(1): 109.     CrossRef
Ocular Sparganosis: The First Report of Spirometra ranarum in Thailand
Wilai Saksirisampant, Chatanun Eamudomkarn, Hyeong-Kyu Jeon, Keeseon S. Eom, Buravej Assavapongpaiboon, Sunisa Sintuwong, Wasee Tulvatana
The Korean Journal of Parasitology.2020; 58(5): 577.     CrossRef
Spirometra decipiens (Cestoda: Diphyllobothriidae) Collected in A Heavily Infected Stray Cat from the Republic of Korea
Hyeong-Kyu Jeon, Hansol Park, Dongmin Lee, Seongjun Choe, Keeseon S. Eom
The Korean Journal of Parasitology.2018; 56(1): 87.     CrossRef
Molecular cloning, antiserum preparation and expression analysis during head regeneration of $$upalpha $$ α
Wen-Fang Dong, Hang Zhang, Ru-Meng Wang, Hong-Chun Pan
Journal of Genetics.2018; 97(4): 911.     CrossRef
Human Sparganosis in Korea
Jeong-Geun Kim, Chun-Seob Ahn, Woon-Mok Sohn, Yukifumi Nawa, Yoon Kong
Journal of Korean Medical Science.2018;[Epub]     CrossRef

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Two Echinostome Species, Pegosomum bubulcum and Nephrostomum ramosum (Digenea: Echinostomatidae), from an Eastern Cattle Egret, Bubulcus ibis coromandus, in Republic of Korea

Seongjun Choe, Dongmin Lee, Hansol Park, Hyeong-Kyu Jeon, Youngsun Lee, Eunju Kim, Ki-Jeong Na, Keeseon S. Eom

Korean J Parasitol 2016;54(4):485-496.
Published online August 31, 2016

DOI: https://doi.org/10.3347/kjp.2016.54.4.485

Abstract

PDF

We describe 2 echinostome species recovered from an Eastern cattle egret, Bubulcus ibis coromandus, from Cheongju-si (city), Chungcheongbuk-do (province), Korea. Total 72 Pegosomum bubulcum specimens were recovered from the bile duct. They were 7,566×2,938 μm in average size and had 27 collar spines with vitelline extension from anterior 1/3 level of the esophagus to mid-level of the posterior testis as characteristic features. Total 9 specimens of Nephrostomum ramosum were recovered in the small intestines of the bird. They were ribbon-shaped, 11,378×2,124 μm in average size, and morphologically variable in some organs, i.e., the number of collar spines (47-50), the shape of ovary and testes, and the extension of vitelline follicles. These morphological variations observed in a single host indicated that these features are not critical for the classification of Nephrostomum species and thus were reconsidered taxonomically as synonym of N. ramosum. This study is the first report documenting and describing both flukes and their associated genera in Korea.

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Filling the void: Morphological and molecular phylogenetic analyses of helminths assemblage from the Egyptian egret Bubulcus ibis
Nada A. Ibrahim, Ismail M. Shalaby, Mahi A. Ghobashy, Azza A. Taeleb, Elham A. Elkhawass
Parasitology International.2025; 104: 102972.     CrossRef
18S rRNA gene metabarcoding for investigation of gastrointestinal parasite diversity in great cormorants
Subin Lee, Badriah Alkathiri, Chang Hyeon Lee, Heon Woo Lee, Dong-Hyuk Jeong, Ju Yeong Kim, Seongjun Choe, Seung-Hun Lee
Scientific Reports.2025;[Epub]     CrossRef
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María G. Díaz González, Danimar López-Hernández, Vasyl V. Tkach, Fabiana Drago, Fred D. Chibwana, Martina R. Laidemitt, Christopher A. Blanar, Verónica Núñez, Mariano Dueñas Díaz, Luis A. Gomez-Puerta, Sean A. Locke
International Journal for Parasitology.2025;[Epub]     CrossRef
Infections with Digenetic Trematode Metacercariae in Freshwater Fishes from Two Visiting Sites of Migratory Birds in Gyeongsangnam-do, Republic of Korea
Woon-Mok Sohn, Byoung-Kuk Na
The Korean Journal of Parasitology.2019; 57(3): 273.     CrossRef
Infections of Two Isthmiophora Species (Digenea: Echinostomatidae) in Wild Mammals from Republic of Korea with Their Morphological Descriptions
Seongjun Choe, Ki-Jeong Na, Youngjun Kim, Dong-Hyuk Jeong, Jeong-Jin Yang, Keeseon S. Eom
The Korean Journal of Parasitology.2019; 57(6): 647.     CrossRef
New Definitive Hosts and Differential Body Indices of Isthmiophora hortensis (Digenea: Echinostomatidae)
Woon-Mok Sohn, Byoung-Kuk Na, Sung-Shik Shin
The Korean Journal of Parasitology.2017; 55(3): 287.     CrossRef
Echinostoma macrorchis (Digenea: Echinostomatidae): Metacercariae in Cipangopaludina chinensis malleata Snails and Adults from Experimental Rats in Korea
Woon-Mok Sohn, Byoung-Kuk Na
The Korean Journal of Parasitology.2017; 55(5): 541.     CrossRef

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Brief Communications

New Record of Schistorophus cirripedesmi (Nematoda: Acuariidae) from a Bar-Tailed Godwit, Limosa lapponica baueri (Charadriformes: Scolopacidae) in Korea

Seongjun Choe, Hyun Kim, Junsik Lim, Dongmin Lee, Hansol Park, Hyeong-Kyu Jeon, Heejong Kim, Youngjun Kim, Keeseon S. Eom

Korean J Parasitol 2016;54(3):349-355.
Published online June 30, 2016

DOI: https://doi.org/10.3347/kjp.2016.54.3.349

Abstract

PDF

In July 2014, a nematode species, Schistorophus cirripedesmi Rhizhikov and Khokhlova, 1964, was recovered from a bar-tailed godwit, Limosa lapponica baueri that was stored in a -20˚C freezer in the Chungnam Wild Animal Rescue Center. The bird was collected in 2012 from the coastal region of Pyeongtaek-si (City), Gyeonggi-do (Province) in the Republic of Korea, although the exact date is not clear. At necropsy, 9 nematodes were found in the gizzard of the bird. The parasites had 4 horn-like cephalic cuticular ornamentations. After morphometric comparison and morphological observations, including scanning electron microscopy, the nematodes were identified as S. cirripedesmi. This is the first description of a nematode species in a shorebird in Korea. This is also the first time this genus and species have been found in Korea.

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Three Nematode Species Recovered from Terrestrial Snakes in Republic of Korea

Seongjun Choe, Junsik Lim, Hyun Kim, Youngjun Kim, Heejong Kim, Dongmin Lee, Hansol Park, Hyeong-Kyu Jeon, Keeseon S. Eom

Korean J Parasitol 2016;54(2):205-213.
Published online April 30, 2016

DOI: https://doi.org/10.3347/kjp.2016.54.2.205

Abstract

PDF

The majority of parasitological studies of terrestrial snakes in Korea have focused on zoonotic parasites. However, in the present study, we describe 3 unrecorded nematode species recovered from 5 species of snakes (n=6) in Korea. The examined snakes, all confiscated from illegal hunters, were donated by the Chungnam Wild Animal Rescue Center and Korean Broadcasting System in July 2014 and February 2015. Light and scanning electron microscopies on the shapes of spicules that are either bent or straight (kalicephalids) and the presence of the intestinal cecum (ophidascarids) figured out 3 nematodes; Kalicephalus brachycephalus Maplestone, 1931, Kalicephalus sinensis Hs?, 1934, and Ophidascaris excavata Hs? and Hoeppli, 1934. These 3 species of nematode faunas are recorded for the first time in Korea.

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Daniel Macias, Yucheol Shin, Amaël Borzée
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Qi Zhao, Asmaa M.I. Abuzeid, Long He, Tingting Zhuang, Xiu Li, Jumei Liu, Shilan Zhu, Xiaoyu Chen, Guoqing Li
Parasitology International.2021; 85: 102434.     CrossRef
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Lucia Tri Suwanti, Inggarsetya Syah Audini, Setiawan Koesdarto, Emmanuel Djoko Poetranto
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Original Articles

Genetic Identification of Spirometra decipiens Plerocercoids in Terrestrial Snakes from Korea and China

Hyeong-Kyu Jeon, Hansol Park, Dongmin Lee, Seongjun Choe, Kyu-Heon Kim, Woon- Mok Sohn, Keeseon S. Eom

Korean J Parasitol 2016;54(2):181-185.
Published online April 30, 2016

DOI: https://doi.org/10.3347/kjp.2016.54.2.181

Abstract

PDF

Human sparganosis is a zoonotic disease caused by infection with larval forms (procercoid/plerocercoid) of Spirometra spp. The purpose of this study was to identify Spirometra spp. of infected snakes using a multiplex PCR assay and phylogenetic analysis of mitochondrial DNA sequence data from the spargana of terrestrial snakes obtained from Korea and China. A total of 283 snakes were obtained that included 4 species of Colubridae comprising Rhabdophis tigrinus tigrinus (n=150), Dinodon rufozonatum rufozonatum (n=64), Elaphe davidi (n=2), and Elaphe schrenkii (n=7), and 1 species of Viperidae, Agkistrodon saxatilis (n=60). The snakes were collected from the provinces of Chungbuk, Chungnam, and Gyeongbuk in Korea (n=161), and from China (n=122). The overall infection rate with spargana was 83% (235/283). The highest was recorded for D. rufozonatum rufozonatum (100%), followed by A. saxatilis (85%) and R. tigrinus tigrinus (80%), with a negative result for E. davidi (0%) and E. schrenkii (0%). The sequence identities between the spargana from snakes (n=50) and Spirometra erinaceieuropaei (KJ599680) or S. decipiens (KJ599679) control specimens were 90.8% and 99.2%, respectively. Pairwise genetic distances between spargana (n=50) and S. decipiens ranged from 0.0080 to 0.0107, while those between spargana and S. erinaceieuropaei ranged from 0.1070 to 0.1096. In this study, all of the 904 spargana analyzed were identified as S. decipiens either by a multiplex PCR assay (n=854) or mitochondrial cox1 sequence analysis (n=50).

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Xi Zhang, Xiu Hong, Shi Nan Liu, Peng Jiang, Shu Chuan Zhao, Chuan Xi Sun, Zhong Quan Wang, Jing Cui, David Blair
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Yang-Ha Hwang, Wonsoo Son, Yong-Won Kim, Dong-Hun Kang, Hyun-Ha Chang, Youn-Kyoung Goo, Yeonchul Hong, Dong-Il Chung
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Xiaoli Zhang, Rongsheng Mi, Yehua Zhang, Shijie Zhang, Tao Sun, Haiyan Jia, Yan Huang, Haiyan Gong, Xiangan Han, Zhaoguo Chen
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Xi Zhang, Xiu Hong, Jiang Yang Duan, Lu Lu Han, Zi Yang Hong, Peng Jiang, Zhong Quan Wang, Jing Cui
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Li He, Zheng-Ming Fang, Ting Xue, Er-Fu Zhang, Chun-Li An
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Yue Xie, Yingxin Li, Xiaobin Gu, Senzhao Zhang, Yunjian Liu, Lu Wang, Youle Zheng, Xuan Zhou, Zhicai Zuo, Guangyou Yang
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Hyeong-Kyu Jeon, Hansol Park, Dongmin Lee, Seongjun Choe, Keeseon S. Eom
The Korean Journal of Parasitology.2018; 56(1): 87.     CrossRef
Human Sparganosis in Korea
Jeong-Geun Kim, Chun-Seob Ahn, Woon-Mok Sohn, Yukifumi Nawa, Yoon Kong
Journal of Korean Medical Science.2018;[Epub]     CrossRef
Molecular Genetic Findings of Spirometra decipiens and S. ranarum in Korea
Hyeong-Kyu Jeon, Sun Huh, Woon-Mok Sohn, Jong-Yil Chai, Keeseon S. Eom
The Korean Journal of Parasitology.2018; 56(4): 359.     CrossRef
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Tetsuya Okino, Hiroshi Ushirogawa, Kumiko Matoba, Shin-ichiro Nishimatsu, Mineki Saito
Parasitology International.2017; 66(2): 116.     CrossRef
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Xi Zhang, Jiang Yang Duan, Zhong Quan Wang, Peng Jiang, Ruo Dan Liu, Jing Cui
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Comparative mitochondrial genomics among Spirometra (Cestoda: Diphyllobothriidae) and the molecular phylogeny of related tapeworms
Xi Zhang, Jiang Yang Duan, Ya Li Shi, Peng Jiang, De Jun Zeng, Zhong Quan Wang, Jing Cui
Molecular Phylogenetics and Evolution.2017; 117: 75.     CrossRef
Spirometra erinaceieuropaei in a wildcat (Felis silvestris) in Iran
Milad Badri, Aida Vafae Eslahi, Hamidreza Majidiani, Majid Pirestani
Veterinary Parasitology: Regional Studies and Reports.2017; 10: 58.     CrossRef

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Mitochondrial Genome Sequences of Spirometra erinaceieuropaei and S. decipiens (Cestoidea: Diphyllobothriidae)

Keeseon S. Eom, Hansol Park, Dongmin Lee, Seongjun Choe, Kyu-Heon Kim, Hyeong-Kyu Jeon

Korean J Parasitol 2015;53(4):455-463.
Published online August 25, 2015

DOI: https://doi.org/10.3347/kjp.2015.53.4.455

Abstract

PDF

The present study was performed to compare the mitochondrial genomes between 2 Spirometra tapeworms, Spirometra erinaceieuropaei and Spirometra decipiens (Cestoidea: Diphyllobothriidae), which larval stages are important etiological agents of sparganosis in humans. For each species, the full mitochondrial genome was amplified in 8 overlapping fragments using total genomic DNA purified from a single worm as the template. The mitochondrial genomes were 13,643 bp (S. erinaceieuropaei) and 13,641 bp (S. decipiens) in length and contained 36 genes; 12 protein-coding genes, 2 ribosomal RNA (rRNA, small and large subunits), and 22 transfer RNAs (tRNAs). The 12 protein-coding genes constituted 10,083 bp (S. erinaceieuropaei) and 10,086 bp (S. decipiens) of their respective mitochondrial genomes. The tRNA genes, ranging in length from 56 to 70 bp, were identified based on putative secondary structures such as the typical cloverleaf shape. A total of 23 intergenic sequences, varying from 1 to 204 bp in size, were interspersed in S. erinaceieuropaei (total, 504 bp) and S. decipiens (total, 496 bp) mtDNA. The 12 protein-coding genes of S. erinaceieuropaei and S. decipiens differed by 12.4%, whereas the overall difference in mtDNA sequence between S. erinaceieuropaei and S. decipiens was 12.9%. Thus, from the standpoint of the mitochondrial genome, S. decipiens represents a valid species that can be distinguished from S. erinaceieuropaei.

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Hiroshi Yamasaki, Hiromu Sugiyama, Yasuyuki Morishima, Hirotaka Kobayashi
Parasitology International.2024; 98: 102798.     CrossRef
Molecular Characterization of Spirometra erinaceieuropaei from Jungle Cat (Felis chaus) in North of Iran
Mahboobeh Salimi, Meysam Sharifdini, Eshrat Beigom Kia
Acta Parasitologica.2024; 69(1): 574.     CrossRef
Molecular identification of sparganum of Spirometra mansoni isolated from the abdominal cavity of a domestic cat in Vietnam
Yen Thi Hoang NGUYEN, Lan Anh Thi NGUYEN, Hieu VAN DONG, Hieu Duc DUONG, Ayako YOSHIDA
Journal of Veterinary Medical Science.2024; 86(1): 96.     CrossRef
Molecular Characterization and Phylogenetic Analysis of Spirometra Tapeworms from Snakes in Hunan Province
Shu-Yu Chen, Teng-Fang Gong, Jun-Lin He, Fen Li, Wen-Chao Li, Li-Xing Xie, Xin-Rui Xie, Yi-Song Liu, Ying-Fang Zhou, Wei Liu
Veterinary Sciences.2022; 9(2): 62.     CrossRef
Morphological Characteristics and Molecular Phylogenetic Evidence Support the Existence of a New Spirometra Species, Spirometra Asiana, (Cestoda: Diphyllobothriidae) in the Wild Boar
Hiroshi Yamasaki, Hiromu Sugiyama, Yasuyuki Morishima
SSRN Electronic Journal .2022;[Epub]     CrossRef
Spirometra species from Asia: Genetic diversity and taxonomic challenges
Hiroshi Yamasaki, Oranuch Sanpool, Rutchanee Rodpai, Lakkhana Sadaow, Porntip Laummaunwai, Mesa Un, Tongjit Thanchomnang, Sakhone Laymanivong, Win Pa Pa Aung, Pewpan M. Intapan, Wanchai Maleewong
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Tilak Chandra Nath, Keeseon S. Eom, Seongjun Choe, Shahadat Hm, Saiful Islam, Barakaeli Abdieli Ndosi, Yeseul Kang, Mohammed Mebarek Bia, Sunmin Kim, Chatanun Eamudomkarn, Hyeong-Kyu Jeon, Hansol Park, Dongmin Lee
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First Clinical Cases of Spirometrosis in Two Cats in Korea
Joohyung Kim, Younsung Ock, Kihwan Yang, Seongjun Choe, Kyung-Mee Park, Wan-Kyu Lee, Kyung-Chul Choi, Soochong Kim, Dongmi Kwak, Seung-Hun Lee
The Korean Journal of Parasitology.2021; 59(2): 153.     CrossRef
Mitochondrial Genome of Spirometra theileri Compared with Other Spirometra Species
Barakaeli Abdieli Ndosi, Hansol Park, Dongmin Lee, Seongjun Choe, Yeseul Kang, Tilak Chandra Nath, Mohammed Mebarek Bia, Chatanun Eamudomkarn, Hyeong-Kyu Jeon, Keeseon S. Eom
The Korean Journal of Parasitology.2021; 59(2): 139.     CrossRef
Evolutionary transitions in broad tapeworms (Cestoda: Diphyllobothriidea) revealed by mitogenome and nuclear ribosomal operon phylogenetics
Natalia Fraija-Fernández, Andrea Waeschenbach, Andrew G. Briscoe, Suzanne Hocking, Roman Kuchta, Tommi Nyman, D. Timothy J. Littlewood
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Complete Sequence of the Mitochondrial Genome of Spirometra ranarum: Comparison with S. erinaceieuropaei and S. decipiens
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The Korean Journal of Parasitology.2019; 57(1): 55.     CrossRef
Development of EST-derived microsatellite markers to investigate the population structure of sparganum — the causative agent of zoonotic sparganosis
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Mitochondrial DNA Sequence Variability of Spirometra Species in Asian Countries
Hyeong-Kyu Jeon, Keeseon S. Eom
The Korean Journal of Parasitology.2019; 57(5): 481.     CrossRef
Spirometra decipiens (Cestoda: Diphyllobothriidae) Collected in A Heavily Infected Stray Cat from the Republic of Korea
Hyeong-Kyu Jeon, Hansol Park, Dongmin Lee, Seongjun Choe, Keeseon S. Eom
The Korean Journal of Parasitology.2018; 56(1): 87.     CrossRef
Differential Diagnosis of Human Sparganosis Using Multiplex PCR
Hyeong-Kyu Jeon, Kyu-Heon Kim, Woon-Mok Sohn, Keeseon S. Eom
The Korean Journal of Parasitology.2018; 56(3): 295.     CrossRef
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Xi Zhang, Jiang Yang Duan, Zhong Quan Wang, Peng Jiang, Ruo Dan Liu, Jing Cui
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Yan Feng, Han-Li Feng, Yi-Hui Fang, Ying-Bing Su
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Parasitology International.2017; 66(5): 573.     CrossRef
Genetic Identification of Spirometra decipiens Plerocercoids in Terrestrial Snakes from Korea and China
Hyeong-Kyu Jeon, Hansol Park, Dongmin Lee, Seongjun Choe, Kyu-Heon Kim, Woon- Mok Sohn, Keeseon S. Eom
The Korean Journal of Parasitology.2016; 54(2): 181.     CrossRef
Molecular Detection of Spirometra decipiens in the United States
Hyeong-Kyu Jeon, Hansol Park, Dongmin Lee, Seongjun Choe, Woon-Mok Sohn, Keeseon S. Eom
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Rapid identification of nine species of diphyllobothriidean tapeworms by pyrosequencing
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Human Infections with Spirometra decipiens Plerocercoids Identified by Morphologic and Genetic Analyses in Korea

Hyeong-Kyu Jeon, Hansol Park, Dongmin Lee, Seongjun Choe, Kyu-Heon Kim, Sun Huh, Woon-Mok Sohn, Jong-Yil Chai, Keeseon S. Eom

Korean J Parasitol 2015;53(3):299-305.
Published online June 30, 2015

DOI: https://doi.org/10.3347/kjp.2015.53.3.299

Abstract

PDF

Tapeworms of the genus Spirometra are pseudophyllidean cestodes endemic in Korea. At present, it is unclear which Spirometra species are responsible for causing human infections, and little information is available on the epidemiological profiles of Spirometra species infecting humans in Korea. Between 1979 and 2009, a total of 50 spargana from human patients and 2 adult specimens obtained from experimentally infected carnivorous animals were analyzed according to genetic and taxonomic criteria and classified as Spirometra erinaceieuropaei or Spirometra decipiens depending on the morphology. Morphologically, S. erinaceieuropaei and S. decipiens are different in that the spirally coiled uterus in S. erinaceieuropaei has 5-7 complete coils, while in S. decipiens it has only 4.5 coils. In addition, there is a 9.3% (146/1,566) sequence different between S. erinaceieuropaei and S. decipiens in the cox1 gene. Partial cox1 sequences (390 bp) from 35 Korean isolates showed 99.4% (388/390) similarity with the reference sequence of S. erinaceieuropaei from Korea (G1724; GenBank KJ599680) and an additional 15 Korean isolates revealed 99.2% (387/390) similarity with the reference sequences of S. decipiens from Korea (G1657; GenBank KJ599679). Based on morphologic and molecular databases, the estimated population ratio of S. erinaceieuropaei to S. decipiens was 35: 15. Our results indicate that both S. erinaceieuropaei and S. decipiens found in Korea infect humans, with S. erinaceieuropaei being 2 times more prevalent than S. decipiens. This study is the first to report human sparganosis caused by S. decipiens in humans in Korea.

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Fabrício H. Oda, Claudio Borteiro, Rodrigo J. da Graça, Luiz Eduardo R. Tavares, Alejandro Crampet, Vinicius Guerra, Flávia S. Lima, Sybelle Bellay, Letícia C. Karling, Oscar Castro, Ricardo M. Takemoto, Gilberto C. Pavanelli
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Molecular Detection of Spirometra decipiens in the United States
Hyeong-Kyu Jeon, Hansol Park, Dongmin Lee, Seongjun Choe, Woon-Mok Sohn, Keeseon S. Eom
The Korean Journal of Parasitology.2016; 54(4): 503.     CrossRef
Rapid identification of nine species of diphyllobothriidean tapeworms by pyrosequencing
Tongjit Thanchomnang, Chairat Tantrawatpan, Pewpan M. Intapan, Oranuch Sanpool, Viraphong Lulitanond, Somjintana Tourtip, Hiroshi Yamasaki, Wanchai Maleewong
Scientific Reports.2016;[Epub]     CrossRef
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Keeseon S. Eom, Hansol Park, Dongmin Lee, Seongjun Choe, Kyu-Heon Kim, Hyeong-Kyu Jeon
The Korean Journal of Parasitology.2015; 53(4): 455.     CrossRef

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Case Report

Strongyloides myopotami (Secernentea: Strongyloididae) from the Intestine of Feral Nutrias (Myocastor coypus) in Korea

Seongjun Choe, Dongmin Lee, Hansol Park, Mihyeon Oh, Hyeong-Kyu Jeon, Keeseon S. Eom

Korean J Parasitol 2014;52(5):531-535.
Published online October 22, 2014

DOI: https://doi.org/10.3347/kjp.2014.52.5.531

Abstract

PDF

Surveys on helminthic fauna of the nutria, Myocastor coypus, have seldom been performed in the Republic of Korea. In the present study, we describe Strongyloides myopotami (Secernentea: Strongyloididae) recovered from the small intestine of feral nutrias. Total 10 adult nutrias were captured in a wetland area in Gimhae-si (City), Gyeongsangnam-do (Province) in April 2013. They were transported to our laboratory, euthanized with ether, and necropsied. About 1,300 nematode specimens were recovered from 10 nutrias, and some of them were morphologically observed by light and scanning electron microscopies. They were 3.7-4.7 (4.0±0.36) mm in length, 0.03-0.04 (0.033) mm in width. The worm dimension and other morphological characters, including prominent lips of the vulva, blunted conical tail, straight type of the ovary, and 8-chambered stoma, were all consistent with S. myopotami. This nematode fauna is reported for the first time in Korea.

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Sora Ouchi, Ryosuke Koda, Yuzuru Ishizuka, Shigetoyo Ikemoto, Mutsuko Sakata, Susumu Iwaide, Tomoyuki Shibahara, Atsushi Hinenoya, Shigehiko Uni, Kazumi Sasai, Makoto Matsubayashi
Systematic Parasitology.2025;[Epub]     CrossRef
Intestinal parasites of Myocastor coypus (Rodentia, Myocastoridae) on animal farms in Eastern Ukraine
N. V. Sumakova, A. P. Paliy, O. V. Pavlichenko, R. V. Petrov, B. S. Morozov, V. M. Plys, A. B. Mushynskyi
Regulatory Mechanisms in Biosystems.2025; 16(3): e25117.     CrossRef
Improved molecular identification of Strongyloides myopotami in nutrias using fecal samples
Yuga MORI, Atsushi NAKA, Ryosuke KODA, Yuzuru ISHIZUKA, Atsushi HINENOYA, Tomoyuki SHIBAHARA, Kazumi SASAI, Makoto MATSUBAYASHI
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An update on the distribution of the coypu, Myocastor coypus, in Asia and Africa through published literature, citizen-science and online platforms
Luca Pedruzzi, Anna Schertler, Silvia Giuntini, Ivan Leggiero, Emiliano Mori
Mammalian Biology.2022; 102(1): 109.     CrossRef
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Blaine A. Mathison, Sarah G. H. Sapp
ZooKeys.2021; 1069: 1.     CrossRef
A Case of Fascioliasis in A Wild Nutria, Myocastor coypus, in Republic of Korea
Hyo-Seok Kim, Joo-Yeon Kong, Jong-Hyun Kim, Seong-Chan Yeon, Il-Hwa Hong
The Korean Journal of Parasitology.2018; 56(4): 375.     CrossRef
Histopathological findings in wild Nutrias (Myocastor coypus) with Capillaria hepatica infection
Il-Hwa HONG, Sun-Young KANG, Jong-Hyun KIM, Seong-Hoon SEOK, Seong-Kyu LEE, Seong-Jin HONG, Seung-Yong LEE, Se-Jin PARK, Joo-Yeon KONG, Seong-Chan YEON
Journal of Veterinary Medical Science.2016; 78(12): 1887.     CrossRef

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Original Articles

Three Echinostome Species from Wild Birds in the Republic of Korea

Seongjun Choe, Dongmin Lee, Hansol Park, Mihyeon Oh, Hyeong-Kyu Jeon, Youngsun Lee, Ki-Jeong Na, Youngjun Kim, Hang Lee, Keeseon S. Eom

Korean J Parasitol 2014;52(5):513-520.
Published online October 22, 2014

DOI: https://doi.org/10.3347/kjp.2014.52.5.513

Abstract

PDF

Three echinostome species, i.e., Patagifer bilobus, Petasiger neocomense, and Saakotrema metatestis, are newly recorded in the trematode fauna of the Republic of Korea. They were recovered from 3 species of migratory birds (Platalea minor, Podiceps cristatus, and Egretta garzetta), which were donated by the Wildlife Center of Chungbuk (WCC) and the Conservation Genome Resource Bank for Korean Wildlife (CGRB). Only 1 P. bilobus specimen was recovered from the intestine of a black-faced spoonbill (P. minor), and characterized by the bilobed head crown with a deep dorsal incision and 54 collar spines. Twenty P. neocomense were recovered from the intestine of a great crested grebe (P. cristatus), and they had a well-developed head crown with 19 spines and 2 testes obliquely located at the posterior middle of the body. Total 70 S. metatestis were collected from the bursa of Fabricius of 1 little egret (E. garzetta). It is characterized by stout tegumental spines covered in the entire leaf-shaped body, posterior extension of the uterus, presence of the uroproct and a well-developed head crown with 12 pairs of collar spines on each side. By the present study, these 3 echinostome species are newly added to the trematode fauna in Korea.

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Parasitology International.2025; 104: 102972.     CrossRef
The Nuclear Ribosomal Transcription Units of Two Echinostomes and Their Taxonomic Implications for the Family Echinostomatidae
Yu Cao, Ye Li, Zhong-Yan Gao, Bo-Tao Jiang
Biology.2025; 14(8): 1101.     CrossRef
First record of Patagifer bilobus (Rudolphi, 1819) Dietz, 1909 (Digenea: Echinostomatidae), with a morphological and molecular characterization from two threskiornithid species in Mexico
Ana Lucia Sereno-Uribe, Marcelo Tonatiuh González-García, Mirza Patricia Ortega-Olivares, Alejandra López-Jiménez, Martín García-Varela, Leopoldo Andrade-Gómez
Parasitology Research.2022; 121(7): 1921.     CrossRef
EXAMINATION OF HELMINTH PARASITES IN THE FECAL SAMPLES OF MAGPIES (Pica pica), JACKDAWS (Corvus monedula), AND ROOKS (Corvus frugilegus) IN THE VICINITIES OF VAN PROVINCE/TURKEY
Ali Bilgin YILMAZ, Erkan AZİZOĞLU, Özdemir ADIZEL
Commagene Journal of Biology.2020;[Epub]     CrossRef
Infections with Digenetic Trematode Metacercariae in Freshwater Fishes from Two Visiting Sites of Migratory Birds in Gyeongsangnam-do, Republic of Korea
Woon-Mok Sohn, Byoung-Kuk Na
The Korean Journal of Parasitology.2019; 57(3): 273.     CrossRef
Infections of Two Isthmiophora Species (Digenea: Echinostomatidae) in Wild Mammals from Republic of Korea with Their Morphological Descriptions
Seongjun Choe, Ki-Jeong Na, Youngjun Kim, Dong-Hyuk Jeong, Jeong-Jin Yang, Keeseon S. Eom
The Korean Journal of Parasitology.2019; 57(6): 647.     CrossRef
Echinochasmus swabiensis n. sp. (Digenea: Echinostomatidae) from Black Kite (Milvus Migrans Migrans) in Swabi District, Pakistan
S. Suleman, M. S. Khan, X. Q. Zhu, A. M. Dharejo, E. C. Uwalaka, M. Shah, O. A. Adediran
Folia Veterinaria.2018; 62(2): 5.     CrossRef
New Definitive Hosts and Differential Body Indices of Isthmiophora hortensis (Digenea: Echinostomatidae)
Woon-Mok Sohn, Byoung-Kuk Na, Sung-Shik Shin
The Korean Journal of Parasitology.2017; 55(3): 287.     CrossRef
Echinostoma macrorchis (Digenea: Echinostomatidae): Metacercariae in Cipangopaludina chinensis malleata Snails and Adults from Experimental Rats in Korea
Woon-Mok Sohn, Byoung-Kuk Na
The Korean Journal of Parasitology.2017; 55(5): 541.     CrossRef
Two Echinostome Species, Pegosomum bubulcum and Nephrostomum ramosum (Digenea: Echinostomatidae), from an Eastern Cattle Egret, Bubulcus ibis coromandus, in Republic of Korea
Seongjun Choe, Dongmin Lee, Hansol Park, Hyeong-Kyu Jeon, Youngsun Lee, Eunju Kim, Ki-Jeong Na, Keeseon S. Eom
The Korean Journal of Parasitology.2016; 54(4): 485.     CrossRef

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Complete Mitochondrial Genome of Haplorchis taichui and Comparative Analysis with Other Trematodes

Dongmin Lee, Seongjun Choe, Hansol Park, Hyeong-Kyu Jeon, Jong-Yil Chai, Woon-Mok Sohn, Tai-Soon Yong, Duk-Young Min, Han-Jong Rim, Keeseon S. Eom

Korean J Parasitol 2013;51(6):719-726.
Published online December 31, 2013

DOI: https://doi.org/10.3347/kjp.2013.51.6.719

Abstract

PDF

Mitochondrial genomes have been extensively studied for phylogenetic purposes and to investigate intra- and interspecific genetic variations. In recent years, numerous groups have undertaken sequencing of platyhelminth mitochondrial genomes. Haplorchis taichui (family Heterophyidae) is a trematode that infects humans and animals mainly in Asia, including the Mekong River basin. We sequenced and determined the organization of the complete mitochondrial genome of H. taichui. The mitochondrial genome is 15,130 bp long, containing 12 protein-coding genes, 2 ribosomal RNAs (rRNAs, a small and a large subunit), and 22 transfer RNAs (tRNAs). Like other trematodes, it does not encode the atp8 gene. All genes are transcribed from the same strand. The ATG initiation codon is used for 9 protein-coding genes, and GTG for the remaining 3 (nad1, nad4, and nad5). The mitochondrial genome of H. taichui has a single long non-coding region between trnE and trnG. H. taichui has evolved as being more closely related to Opisthorchiidae than other trematode groups with maximal support in the phylogenetic analysis. Our results could provide a resource for the comparative mitochondrial genome analysis of trematodes, and may yield genetic markers for molecular epidemiological investigations into intestinal flukes.

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Journal of Helminthology.2023;[Epub]     CrossRef
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Natalia Zajac, Stefan Zoller, Katri Seppälä, David Moi, Christophe Dessimoz, Jukka Jokela, Hanna Hartikainen, Natasha Glover, Dennis Lavrov
Genome Biology and Evolution.2021;[Epub]     CrossRef
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Echinostoma macrorchis in Lao PDR: Metacercariae in Cipangopaludina Snails and Adults from Experimentally Infected Animals

Woon-Mok Sohn, Jong-Yil Chai, Byoung-Kuk Na, Tai-Soon Yong, Keeseon S. Eom, Hansol Park, Duk-Young Min, Han-Jong Rim

Korean J Parasitol 2013;51(2):191-196.
Published online April 25, 2013

DOI: https://doi.org/10.3347/kjp.2013.51.2.191

Abstract

PDF

The echinostome metacercariae encysted in Cipangopaludina sp. snails that were purchased from a market in Vientiane Municipality, Lao PDR, were identified as Echinostoma macrorchis (Digenea: Echinostomatidae) through recovery of adult flukes after experimental infection to rats and a cat. The metacercariae were round, 113-128 (121)×113-125 (120) ?m, having a thick cyst wall, a head collar armed with collar spines, and excretory granules. The adult flukes recovered from the rats and cat at day 14 and 30 post-infection, respectively, were elongated, ventrally curved, and 3.9-6.3×0.7-1.1 mm in size. The head collar was distinct, bearing 43-45 collar spines with 5 angle spines on each side. Two testes were large (as the name implies), tandem, and slightly constricted at the middle, with irregular margins. Eggs were operculated, ovoid to elliptical, and 88-95×56-60 ?m. In scanning electron microscopy, the head collar was prominent, with 43-45 collar spines. Scale-like tegumental spines were densely distributed on the ventral surface between the oral and ventral suckers. Sensory papillae were distributed mainly on the tegument around the 2 suckers. It is confirmed that E. macrorchis is distributed in Lao PDR using Cipangopaludina sp. snails as the second intermediate host.

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The Korean Journal of Parasitology.2020; 58(4): 431.     CrossRef
Snail-borne zoonotic trematodes in edible viviparid snails obtained from wet markets in Northern Thailand
K. Chantima, C. Rika
Journal of Helminthology.2020;[Epub]     CrossRef
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Woon-Mok Sohn, Byoung-Kuk Na, Dongmin Lee, Keeseon S. Eom, Tai-Soon Yong, Jong-Yil Chai, Duk-Young Min
The Korean Journal of Parasitology.2019; 57(6): 657.     CrossRef
Echinostoma macrorchis (Digenea: Echinostomatidae): Metacercariae in Cipangopaludina chinensis malleata Snails and Adults from Experimental Rats in Korea
Woon-Mok Sohn, Byoung-Kuk Na
The Korean Journal of Parasitology.2017; 55(5): 541.     CrossRef
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H. Madsen, N.M. Hung
Acta Tropica.2015; 141: 372.     CrossRef
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Philipp J. Bless, Fabian Schär, Virak Khieu, Stefanie Kramme, Sinuon Muth, Hanspeter Marti, Peter Odermatt
Acta Tropica.2015; 141: 295.     CrossRef
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H. Madsen, N.M. Hung
Acta Tropica.2014; 140: 105.     CrossRef

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Brief Communication

Human Infections with Liver and Minute Intestinal Flukes in Guangxi, China: Analysis by DNA Sequencing, Ultrasonography, and Immunoaffinity Chromatography

Hyeong-Kyu Jeon, Dongmin Lee, Hansol Park, Duk-Young Min, Han-Jong Rim, Hongman Zhang, Yichao Yang, Xueming Li, Keeseon S Eom

Korean J Parasitol 2012;50(4):391-394.
Published online November 26, 2012

DOI: https://doi.org/10.3347/kjp.2012.50.4.391

Abstract

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The prevalence of liver and intestinal fluke infections was determined by surveying inhabitants of Hengxuan, Fusui, and Shanglin villages which were known to be endemic for liver flukes in Guangxi, China in May 2010. A total of 718 people were examined for helminth eggs by the Kato-Katz thick smear technique, ultrasonography, immunoaffinity chromatography, and DNA sequencing. The overall egg positive rate was found to be 59.6% (28.0-70.6%) that included mixed infections with liver and intestinal flukes. Cases showing higher than 20,000 eggs per gram of feces (EPG) were detected between 1.3% and 16.2%. Ultrasonographic findings exhibited overall 28.2% (72 of 255 cases) dilatation rate of the intrahepatic bile duct. Clonorchis sinensis infection was detected serologically in 88.3% (38 of 43 cases) among C. sinensis egg positive subjects by the immunoaffinity chromatography using a specific antigen for C. sinensis. For differential diagnosis of the liver and intestinal flukes, more precise PCR and nucleotide sequencing for copro-DNA were performed for 46 egg positive cases. Mixed infections with C. sinensis and Metagonimus yokogawai were detected in 8 of 46 egg positive cases, whereas 29 specimens were positive for Haplorchis taichui. Ultrasonographic findings and immunoaffinity chromatography results showed usefulness, even in a limited way, in figuring out of the liver fluke endemicity.

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