Parasites, Hosts and Diseases

"Karyotype"

Brief Communication

Karyological Studies of Biomphalaria tenagophila (d'Orbigny, 1835) (Gastropoda: Planobidae) from Rio de Janeiro, Brazil: Gab Man Park, Tai-Soon Yong; Korean J Parasitol 2014;52(4):449-451.
Published online August 29, 2014; DOI: https://doi.org/10.3347/kjp.2014.52.4.449

Abstract
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The karyotypes of Biomphalaria tenagophila collected from Rio de Janeiro, Brazil were studied using the air-drying method. Somatic cells of this species had 2n=36. The 18 chromosome pairs were identified and classified into 3 groups. The diploid cell has 7 pairs of metacentric, 8 pairs of submetacentric, and 3 pairs of subtelocentric chromosomes. Observed chromosomes ranged from 2.4 to 6.4 ?m, and the total length was 122.3 ?m. This is the first report on the chromosome of B. tenagophila.

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Original Articles

Chromosomes of the liver fluke, Clonorchis sinensis: Gab-Man Park, Kyung-il Im, Sun Huh, Tai-Soon Yong; Korean J Parasitol 2000;38(3):201-206.
Published online September 30, 2000; DOI: https://doi.org/10.3347/kjp.2000.38.3.201

Abstract
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A karyological study was carried out in order to compared the chromosome numbers, chromosome morphologies and karyotypes of the oriental liver fluke, Clonorchis sinensis (Trematoda: Opisthorchiidae), collected from Korea and China. Chromosome preparations were made by means of air-drying method. The chromosome number was 2n=56 in both Korean and Chinese flukes, and chromosomes were divided into two groups based on this size; consisting of 8 pairs of large and 20 pairs of small chromosomes. However, the karyotypes showed some differences between Korean and Chinese flukes. The karyotype of liver flukes from Korea consisted of three metacentric pairs, one meta-/submetacentric pair, 16 submetacentric pairs and eight subtelocentric pairs of chromosomes. On the other hand, liver flukes from China consisted of two metacentric pairs, two meta-/submetacentric pairs, 16 submetacentric pairs and eight subtelocentric pairs of chromosomes.

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Journal of Helminthology.2005; 79(3): 269. CrossRef
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Genetic heterogeneity of Pneumocystis carinii from rats of several regions and strains: Byung-Suk Chung, Yun-Kyu Pars, Sun Huh, Jae-Ran Yu, Jin Kim, Xiaohua Shi, Sang Rock Cho, Soon-Hyung Lee, Sung-Tae Hong; Korean J Parasitol 2000;38(3):151-158.
Published online September 30, 2000; DOI: https://doi.org/10.3347/kjp.2000.38.3.151

Abstract
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Pneumocystis carinii is a major opportunistic pathogen which has been found in the lungs of a wide variety of mammalian host species, and the fact suggests the possibility of intraspecific variation. Until now, P. carinii from different mammalian species are differentiated as subspecies, and the rats are known to be infected by two subspecies. The present study investigated genetic heterogeneity of P. carinii isolates from two strains of rats in Korea and China by molecular karyotyping, RFLP and sequencing analysis. Karyotypes of P. carinii were grouped into three, two from two strains of rats in Korea and one from rats in China. However RFLP of PCR product of ribosomal and MSG gene of the P. carinii isolates showed same pattern. The sequence homology rates of α-tubulin DNA of the P. carinii isolates were 96% in Seoul Wistar rats, 93% in Seoul Sprague-Dawley rats, and 85% in Chinese Sprague-Dawley rats. The present finding confirmed that P. carinii from rats in Korea are grouped into two karyotype strains which are different from that of P. carinii from rats in China. The Chinese isolate shows a little different sequences of α-tubulin DNA.

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Chonnam Medical Journal.2008; 44(2): 82. CrossRef

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Karyotypes of Pneumocystis carinii derived from several mammals: Sang Rock Cho, Yun-Gyu Park, Hyung Nam Moon, Soon-Hyung Lee, Sung-Tae Hong; Korean J Parasitol 1999;37(4):271-275.
Published online December 31, 1999; DOI: https://doi.org/10.3347/kjp.1999.37.4.271

Abstract
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Pneumocystis carinii is the most important opportunistic pathogen of humans in the world. Pneumocystis carinii is experimentally detected in the lungs of rats, mice, rabbits, and monkeys, however, the organisms from different mammals are identical in microscopic morphology. The present study tried to find out more mammalian hosts of P. carinii and also to differentiate the organisms from different mammals by karyotyping. Rats, mice, hamsters, rabbits, cats, and dogs were successfully infected by P. carinii, but guinea pigs and pigs were not. Karyotype of P. carinii from rabbits showed similar size range of chromosomes with that of the prototype, but in different pattern. The patterns from cats and dogs were also different from that of rats. The present study confirms that cats and dogs are infected by P. carinii and at least total three karyotype strains of P. carinii are proven in Korea.

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Analysis of Internal Transcribed Spacer 1 Sequences of Pneumocystis jiroveci from Clinical Specimens
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Chonnam Medical Journal.2008; 44(2): 82. CrossRef
Pneumocystis species, co-evolution and pathogenic power
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Pneumocystis
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Genetic heterogeneity of Pneumocystis carinii from rats of several regions and strains
Byung-Suk Chung, Yun-Kyu Pars, Sun Huh, Jae-Ran Yu, Jin Kim, Xiaohua Shi, Sang Rock Cho, Soon-Hyung Lee, Sung-Tae Hong
The Korean Journal of Parasitology.2000; 38(3): 151. CrossRef

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Karyotypes on three species of Chinese mesogastropod snails, Semisulcospira libertina, S. dolichostoma and Viviparus rivularis: Gab-Man Park, Jae-Jin Kim, Pyung-Rim Chung, Yong Wang, Duk-Young Min; Korean J Parasitol 1999;37(1):5-11.
Published online March 31, 1999; DOI: https://doi.org/10.3347/kjp.1999.37.1.5

Abstract
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Three species of the families Viviparidae and Pleuroceridae, the first intermediate host of paragonimiasis, metagonimiasis and echinostomiasis were studied cytologically. The observed diploid chromosome number was as follows: Semisulcospira libertina 36, S. dolichostoma 34, and Viviparus rivularis 64. The mitotic chromosome complement of S. libertina has nine metacentric pairs and nine submetacentric pairs, and S. dolichostoma has three metacentric pairs and 14 submetacentric pairs of chromosomes. Viviparus rivularis showed two metacentric pairs and 30 submetacentric pairs of chromosomes.

Citations

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An adaptable chromosome preparation methodology for use in invertebrate research organisms
Longhua Guo, Alice Accorsi, Shuonan He, Carlos Guerrero-Hernández, Shamilene Sivagnanam, Sean McKinney, Matthew Gibson, Alejandro Sánchez Alvarado
BMC Biology.2018;[Epub] CrossRef
Blood glycemia-modulating effects of melanian snail protein hydrolysates in mice with type II diabetes
Jae-Suk Choi, Joo-Wan Kim, Jeong Been Park, Sang Eun Pyo, Yong-Ki Hong, Sae Kwang Ku, Mi-Ryung Kim
International Journal of Molecular Medicine.2017; 39(6): 1437. CrossRef
Karyotype of Arion vulgaris Moquin-Tandon, 1856 (Gastropoda: Pulmonata: Arionidae)
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Folia Malacologica.2014;[Epub] CrossRef

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Brief Communication

Karyotype analysis of Neodiplostomum seoulense: Gab-Man Park, Soo-Ung Lee, Hyun-Young Park, Sun Huh; Korean J Parasitol 1998;36(4):277-279.
Published online December 20, 1998; DOI: https://doi.org/10.3347/kjp.1998.36.4.277

Abstract
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A karyotype analysis of the chromosome of Neodiplostomum seoulense, one of causative agents of human intestinal trematodiasis, was done from the gonad tissue by the squashing method. The chromosome number was n = 10 and 2n = 20. Chromosome length was 1.30-4.0 ?m. Chromosome pairs in the complement consisted of two pairs of metacentric, five pairs of submetacentrics/subtelocentric and three pairs of telocentric chromosomes. These data were comparable with those of other intestinal trematodes.

Citations

Citations to this article as recorded by

Occurrence of a Diploid Type and a New First Intermediate Host of a Human Lung Fluke, Paragonimus westermani, in Korea
Gab Man Park, K.J. Lee, K.I. Im, H. Park, T.S. Yong
Experimental Parasitology.2001; 99(4): 206. CrossRef
Chromosomes of the liver fluke, Clonorchis sinensis
Gab-Man Park, Kyung-il Im, Sun Huh, Tai-Soon Yong
The Korean Journal of Parasitology.2000; 38(3): 201. CrossRef
A cytogenetic study on human intestinal trematodes of the genus Metagonimus (Digenea: Heterophyidae) in Korea
Soo-Ung Lee, Sun Huh, Gab-Man Park, Jong-Yil Chai
The Korean Journal of Parasitology.1999; 37(4): 237. CrossRef