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"LAMP"

Original Article

A LAMP-SNP Assay Detecting C580Y Mutation in Pfkelch13 Gene from Clinically Dried Blood Spot Samples
Thunchanok Khammanee, Nongyao Sawangjaroen, Hansuk Buncherd, Aung Win Tun, Supinya Thanapongpichat
Korean J Parasitol 2021;59(1):15-22.
Published online February 19, 2021
DOI: https://doi.org/10.3347/kjp.2021.59.1.15
Artemisinin resistance (ART) has been confirmed in Greater Mekong Sub-region countries. Currently, C580Y mutation on Pfkelch13 gene is known as the molecular marker for the detection of ART. Rapid and accurate detection of ART in field study is essential to guide malaria containment and elimination interventions. A simple method for collection of malaria-infected blood is to spot the blood on filter paper and is fast and easy for transportation and storage in the field study. This study aims to evaluate LAMP-SNP assay for C580Y mutation detection by introducing an extra mismatched nucleotide at the 3’ end of the FIP primer. The LAMP-SNP assay was performed in a water bath held at a temperature of 56°C for 45 min. LAMP-SNP products were interpreted by both gel-electrophoresis and HNB-visualized changes in color. The method was then tested with 120 P. falciparum DNA from dried blood spot samples. In comparing the LAMP-SNP assay results with those from DNA sequencing of the clinical samples, the 2 results fully agreed to detect C580Y. The sensitivity and specificity of the LAMP-SNP assay showed 100%. There were no cross-reactions with other Plasmodium species and other Pfkelch13 mutations. The LAMP-SNP assay performed in this study was rapid, reliable, and useful in detecting artemisinin resistance in the field study.

Citations

Citations to this article as recorded by  Crossref logo
  • Colorimetric loop-mediated isothermal amplification (cLAMP) assay for the genotyping of a thrombophilia genetic risk factor, MTHFR (C677T)
    Reham Altwayan, Huseyin Tombuloglu, Moneerah Alsaeed, Abdulrahman Alhusil
    Analytical Methods.2025; 17(21): 4432.     CrossRef
  • Advancing artemisinin resistance monitoring using a high sensitivity ddPCR assay for Pfkelch13 mutation detection in Asia
    Suttipat Srisutham, Aungkana Saejeng, Nardlada Khantikul, Rungniran Sugaram, Raweewan Sangsri, Arjen M. Dondorp, Nicholas P. J. Day, Mallika Imwong
    Scientific Reports.2025;[Epub]     CrossRef
  • Loop-mediated isothermal amplification (LAMP): A promising tool for rapid, point-of-care diagnosis of parasitic diseases in low-income countries
    Kevin Polpitiya, Madhavi Hewadikaram
    Molecular and Biochemical Parasitology.2025; 264: 111704.     CrossRef
  • A Biotinylated cpFIT-PNA Platform for the Facile Detection of Drug Resistance to Artemisinin in Plasmodium falciparum
    Odelia Tepper, Daniel H. Appella, Hongchao Zheng, Ron Dzikowski, Eylon Yavin
    ACS Sensors.2024; 9(3): 1458.     CrossRef
  • Interference reduction isothermal nucleic acid amplification strategy for COVID-19 variant detection
    Guodong Li, Chung-Nga Ko, Zikang Wang, Feng Chen, Wanhe Wang, Dik-Lung Ma, Chung-Hang Leung
    Sensors and Actuators B: Chemical.2023; 377: 133006.     CrossRef
  • Super-assembly of integrated gold magnetic assay with loop-mediated isothermal amplification for point-of-care testing
    Jianping Liang, Jie Zeng, Xiaojuan Huang, Tengteng Zhu, Yonglong Gong, Chen Dong, Xiangrong Wang, Lingzhi Zhao, Lei Xie, Kang Liang, Qiongxiang Tan, Yali Cui, Biao Kong, Wenli Hui
    Nano Research.2023; 16(1): 1242.     CrossRef
  • Engineered Biosensors for Diagnosing Multidrug Resistance in Microbial and Malignant Cells
    Niharika G. Jha, Daphika S. Dkhar, Sumit K. Singh, Shweta J. Malode, Nagaraj P. Shetti, Pranjal Chandra
    Biosensors.2023; 13(2): 235.     CrossRef
  • Application of loop-mediated isothermal amplification combined with lateral flow assay visualization of Plasmodium falciparum kelch 13 C580Y mutation for artemisinin resistance detection in clinical samples
    Wannida Sanmoung, Nongyao Sawangjaroen, Suwannee Jitueakul, Hansuk Buncherd, Aung Win Tun, Supinya Thanapongpichat, Mallika Imwong
    Acta Tropica.2023; 246: 106998.     CrossRef
  • Visual single nucleotide polymorphism (SNP) detection for ALDH2 genotyping based on multiplex ligation probe amplification (MLPA) and lateral flow assay
    Dan Yin, Xiaolan Li, Li Mai, Ruxin Wang, Sitian Tang, Liyi Hu
    Microchemical Journal.2023; 194: 109329.     CrossRef
  • Application of multiple binding sites for LAMP primers across P. falciparum genome improves detection of the parasite from whole blood samples
    Cavin Mgawe, Clement Shilluli, Steven Nyanjom, Eddy Odari, Jacqueline C. Linnes, Bernard N. Kanoi, Jesse Gitaka, Lucy Ochola
    Frontiers in Malaria.2023;[Epub]     CrossRef
  • Single nucleotide polymorphism genotyping of ALDH2 gene based on asymmetric PCR and fluorescent probe-mediated melting curves
    Limei Zhang, Dan Liu, Baolin Li, Jingling Xie, Jinbo Liu, Zhang Zhang
    Analytical Biochemistry.2022; 642: 114509.     CrossRef
  • Prevalence of Glucose-6-Phosphate Dehydrogenase (G6PD) Deficiency among Malaria Patients in Southern Thailand: 8 Years Retrospective Study
    Thunchanok Khammanee, Nongyao Sawangjaroen, Hansuk Buncherd, Aung Win Tun, Supinya Thanapongpichat
    The Korean Journal of Parasitology.2022; 60(1): 15.     CrossRef
  • Current Epidemiological Characteristics of Imported Malaria, Vector Control Status and Malaria Elimination Prospects in the Gulf Cooperation Council (GCC) Countries
    Jamshaid Iqbal, Suhail Ahmad, Ali Sher, Mohammad Al-Awadhi
    Microorganisms.2021; 9(7): 1431.     CrossRef
  • 6,014 View
  • 181 Download
  • 13 Web of Science
  • Crossref

Brief Communications

Development of Loop-Mediated Isothermal Amplification Targeting 18S Ribosomal DNA for Rapid Detection of Azumiobodo hoyamushi (Kinetoplastea)
Su-Min Song, Dinzouna-Boutamba Sylvatrie-Danne, So-Young Joo, Yun Kyung Shin, Hak Sun Yu, Yong-Seok Lee, Ji-Eon Jung, Noboru Inoue, Won Kee Lee, Youn-Kyoung Goo, Dong-Il Chung, Yeonchul Hong
Korean J Parasitol 2014;52(3):305-310.
Published online June 26, 2014
DOI: https://doi.org/10.3347/kjp.2014.52.3.305

Ascidian soft tunic syndrome (AsSTS) caused by Azumiobodo hoyamushi (A. hoyamushi) is a serious aquaculture problem that results in mass mortality of ascidians. Accordingly, the early and accurate detection of A. hoyamushi would contribute substantially to disease management and prevention of transmission. Recently, the loop-mediated isothermal amplification (LAMP) method was adopted for clinical diagnosis of a range of infectious diseases. Here, the authors describe a rapid and efficient LAMP-based method targeting the 18S rDNA gene for detection of A. hoyamushi using ascidian DNA for the diagnosis of AsSTS. A. hoyamushi LAMP assay amplified the DNA of 0.01 parasites per reaction and detected A. hoyamushi in 10 ng of ascidian DNA. To validate A. hoyamushi 18S rDNA LAMP assays, AsSTS-suspected and non-diseased ascidians were examined by microscopy, PCR, and by using the LAMP assay. When PCR was used as a gold standard, the LAMP assay showed good agreement in terms of sensitivity, positive predictive value (PPV), and negative predictive value (NPV). In the present study, a LAMP assay based on directly heat-treated samples was found to be as efficient as DNA extraction using a commercial kit for detecting A. hoyamushi. Taken together, this study shows the devised A. hoyamushi LAMP assay could be used to diagnose AsSTS in a straightforward, sensitive, and specific manner, that it could be used for forecasting, surveillance, and quarantine of AsSTS.

Citations

Citations to this article as recorded by  Crossref logo
  • Measurement of Tunic Hardness in an Edible Ascidian, Halocynthia roretzi, with Remarks on Soft Tunic Syndrome
    Euichi Hirose, Kei Nakayama, Tetsuya Yanagida, Akatsuki Nawata, Shin-Ichi Kitamura
    Zoological Science.2018; 35(6): 548.     CrossRef
  • 9,457 View
  • 92 Download
  • 2 Web of Science
  • Crossref
Recent Situation of Taeniasis in Mongolia (2002-2012)
Anu Davaasuren, Temuulen Dorjsuren, Tetsuya Yanagida, Yasuhito Sako, Kazuhiro Nakaya, Abmed Davaajav, Gurbadam Agvaandaram, Tsatsral Enkhbat, Battsetseg Gonchigoo, Nyamkhuu Dulmaa, Gantigmaa Chuluunbaatar, Akira Ito
Korean J Parasitol 2014;52(2):211-214.
Published online April 18, 2014
DOI: https://doi.org/10.3347/kjp.2014.52.2.211

Epidemiological situation of taeniasis in Mongolia was assessed based on mitochondrial DNA identification of the parasite species. Multiplex PCR was used on a total of 194 proglottid specimens of Taenia species and copro-PCR and loop-mediated isothermal amplification (LAMP) assays were utilized for detection of copro-DNA of 37 fecal samples from taeniasis patients submitted to the Mongolian National Center for Communicable Diseases (NCCD) from 2002 to 2012. In addition, 4 out of 44 calcified cysts in beef kept in formalin since 2003 were evaluated for histopathological confirmation of cattle cysticercosis. All proglottid specimens and stool samples were confirmed to be Taenia saginata by multiplex PCR and by copro-PCR and LAMP, respectively. Cysts collected from cattle were morphologically confirmed to be metacestodes of Taenia species. T. saginata taeniasis was identified from almost all ages from a 2-year-old boy up to a 88-year-old woman and most prominently in 15-29 age group (37%, 74/198) followed by 30-44 age group (34.8%, 69/198 ) from 15 of Mongolia's 21 provinces, while cattle cysticerci were found from 12 provinces. The highest proportion of taeniasis patients was in Ulaanbaatar, the capital of Mongolia.

Citations

Citations to this article as recorded by  Crossref logo
  • Comparison of mitochondrial genetic variation of Taenia hydatigena cysticerci from China and Mongolia
    Sayed Ajmal Qurishi, Hong-Bin Yan, Li Li, John Aeskhaen Ohiolei, Mughees Aizaz Alvi, Lin-Sheng Zhang, Ha Da, Hong-Mei Qiao, Nigus Abebe Shumuye, Bao Hua, Bing-Xin Bai, Wen-Jun Tian, Ju-Mei Xu, Bao-Quan Fu, Wan-Zhong Jia
    Parasitology Research.2022; 121(12): 3455.     CrossRef
  • Prevalence of meat-transmitted Taenia and Trichinella parasites in the Far East countries
    Yi Liu, Zijian Dong, Jianda Pang, Mingyuan Liu, Xuemin Jin
    Parasitology Research.2021; 120(12): 4145.     CrossRef
  • Epidemiology of Taenia saginata taeniosis/cysticercosis: a systematic review of the distribution in East, Southeast and South Asia
    Ramon M. Eichenberger, Lian F. Thomas, Sarah Gabriël, Branco Bobić, Brecht Devleesschauwer, Lucy J. Robertson, Anastasios Saratsis, Paul R. Torgerson, Uffe C. Braae, Veronique Dermauw, Pierre Dorny
    Parasites & Vectors.2020;[Epub]     CrossRef
  • Detection of helminths by loop-mediated isothermal amplification assay: a review of updated technology and future outlook
    Miao-Han Deng, Lan-Yi Zhong, Okanurak Kamolnetr, Yanin Limpanont, Zhi-Yue Lv
    Infectious Diseases of Poverty.2019;[Epub]     CrossRef
  • Taeniasis and cysticercosis in Asia: A review with emphasis on molecular approaches and local lifestyles
    Akira Ito, Tiaoying Li, Toni Wandra, Paron Dekumyoy, Tetsuya Yanagida, Munehiro Okamoto, Christine M Budke
    Acta Tropica.2019; 198: 105075.     CrossRef
  • Neurocysticercosis: A case study of a Mongolian traveler who visited China and India with an updated review in Asia
    Anu Davaasuren, Abmed Davaajav, Baigalmaa Ukhnaa, Altantsetseg Purvee, Saraa Unurkhaan, Amartuvshin Luvsan, Jenae E. Logan, Akira Ito
    Travel Medicine and Infectious Disease.2017; 20: 31.     CrossRef
  • Novel approaches to the diagnosis of Strongyloides stercoralis infection
    D. Buonfrate, F. Formenti, F. Perandin, Z. Bisoffi
    Clinical Microbiology and Infection.2015; 21(6): 543.     CrossRef
  • 9,643 View
  • 82 Download
  • 8 Web of Science
  • Crossref
Detection of Acute Toxoplasmosis in Pigs Using Loop-Mediated Isothermal Amplification and Quantitative PCR
Yanhua Wang, Guangxiang Wang, Delin Zhang, Hong Yin, Meng Wang
Korean J Parasitol 2013;51(5):573-577.
Published online October 31, 2013
DOI: https://doi.org/10.3347/kjp.2013.51.5.573

A loop-mediated isothermal amplification (LAMP) assay allows rapid diagnosis of Toxoplasma gondii infection. In the present study, the LAMP assay was evaluated using blood from both naturally and experimentally infected pigs. The sensitivity of the LAMP assay was compared with that of Q-PCR. Both assays detected T. gondii in the blood of experimentally infected pigs, with 100% agreement. In infected blood samples, the parasite was detected as early as 2 days post-infection and reached a peak in 3-5 days. In 216 field serum samples, the detection rates of LAMP and Q-PCR assays were 6.9% and 7.8%, respectively. This result indicates that the sensitivity of the LAMP assay was slightly lower than that of the Q-PCR assay. However, the LAMP may be an attractive diagnostic method in conditions where sophisticated and expensive equipment is unavailable. This assay could be a powerful supplement to current diagnostic methods.

Citations

Citations to this article as recorded by  Crossref logo
  • First report of molecular detection and phylogenetic analysis of Toxoplasma Gondii in soil, water and vegetables from Chandigarh city, India
    Divya Rattan, Priya Datta, Devyani Sharma, Chandra Kanta Bhusal, Rakesh Sehgal
    Scientific Reports.2025;[Epub]     CrossRef
  • Detection of chronic toxoplasmosis in the brain of mice using loop-mediated isothermal amplification (LAMP) and conventional PCR
    Mona K. Hegazy, Nora E. Saleh, Wafaa A. Aboukamar
    Experimental Parasitology.2023; 251: 108556.     CrossRef
  • Immune system roles in pathogenesis, prognosis, control, and treatment of Toxoplasma gondii infection
    Mohammad Mahdi Jafari, Zahra Azimzadeh Tabrizi, Mohammad Saaid Dayer, Nazanin Atieh Kazemi-Sefat, Mahshid Mohtashamifard, Rahimeh Mohseni, Atefeh Bagheri, Saeed Bahadory, Amir Karimipour-Saryazdi, Fatemeh Ghaffarifar
    International Immunopharmacology.2023; 124: 110872.     CrossRef
  • Clinical validation of visual LAMP and qLAMP assays for the rapid detection of Toxoplasma gondii
    Zhi Cao, Ke Zhang, Dehua Yin, Qiaoya Zhang, Ying Yu, Jianxin Wen, Hongbo Ni
    Frontiers in Cellular and Infection Microbiology.2022;[Epub]     CrossRef
  • RAA-Cas12a-Tg: A Nucleic Acid Detection System for Toxoplasma gondii Based on CRISPR-Cas12a Combined with Recombinase-Aided Amplification (RAA)
    Qiao-Ni Ma, Meng Wang, Lai-Bao Zheng, Zi-Qin Lin, Muhammad Ehsan, Xing-Xing Xiao, Xing-Quan Zhu
    Microorganisms.2021; 9(8): 1644.     CrossRef
  • Loop mediated isothermal amplification (LAMP) of Toxoplasma DNA from dried blood spots
    Mona K. Hegazy, Soha I. Awad, Nora E. Saleh, Mamdouh M. Hegazy
    Experimental Parasitology.2020; 211: 107869.     CrossRef
  • Advances in serological, imaging techniques and molecular diagnosis of Toxoplasma gondii infection
    Ali Rostami, Panagiotis Karanis, Shirzad Fallahi
    Infection.2018; 46(3): 303.     CrossRef
  • Molecular detection and phylogenetic analyses ofToxoplasma gondiifrom naturally infected sheep in Northern and Central Tunisia
    Mariem Rouatbi, Yosra Amdouni, Safa Amairia, Mohamed R. Rjeibi, Said Sammoudi, Mourad Rekik, Mohamed Gharbi
    Veterinary Medicine and Science.2017; 3(1): 22.     CrossRef
  • Comparison of PCR assays targeting the multi-copy targets B1 gene and 529 bp repetitive element for detection of Toxoplasma gondii in swine muscle
    Fabrizia Veronesi, Azzurra Santoro, Giovanni Luigi Milardi, Manuela Diaferia, Raffaella Branciari, Dino Miraglia, Attilia Cioffi, Simona Gabrielli, David Ranucci
    Food Microbiology.2017; 63: 213.     CrossRef
  • Molecular detection of Toxoplasma gondii in house sparrow (Passer domesticus) by LAMP and PCR methods in Tehran, Iran
    Amir Abdoli, Abdolhossein Dalimi, Haleh Soltanghoraee, Fatemeh Ghaffarifar
    Journal of Parasitic Diseases.2016; 40(4): 1317.     CrossRef
  • Development and application of loop-mediated isothermal amplification assays based on ITS-1 for rapid detection of Toxoplasma gondii in pork
    Xunhui Zhuo, Bin Huang, Jiaqing Luo, Haijie Yu, Baolong Yan, Yi Yang, Aifang Du
    Veterinary Parasitology.2015; 208(3-4): 246.     CrossRef
  • Diagnosis of toxoplasmosis and typing of Toxoplasma gondii
    Quan Liu, Ze-Dong Wang, Si-Yang Huang, Xing-Quan Zhu
    Parasites & Vectors.2015;[Epub]     CrossRef
  • Loop-Mediated Isothermal Amplification for Rapid and Semiquantitative Detection of Loa loa Infection
    Papa M. Drame, Doran L. Fink, Joseph Kamgno, Jesica A. Herrick, Thomas B. Nutman, M. J. Loeffelholz
    Journal of Clinical Microbiology.2014; 52(6): 2071.     CrossRef
  • 7,586 View
  • 94 Download
  • Crossref

Original Article

Loop-Mediated Isothermal Amplification Targeting 18S Ribosomal DNA for Rapid Detection of Acanthamoeba
Hye-Won Yang, Yu-Ran Lee, Noboru Inoue, Bijay Kumar Jha, Dinzouna-Boutamba Sylvatrie Danne, Hong-Kyun Kim, Junhun Lee, Youn-Kyoung Goo, Hyun-Hee Kong, Dong-Il Chung, Yeonchul Hong
Korean J Parasitol 2013;51(3):269-277.
Published online June 30, 2013
DOI: https://doi.org/10.3347/kjp.2013.51.3.269

Amoebic keratitis (AK) caused by Acanthamoeba is one of the most serious corneal infections. AK is frequently misdiagnosed initially as viral, bacterial, or fungal keratitis, thus ensuring treatment delays. Accordingly, the early detection of Acanthamoeba would contribute significantly to disease management and selection of an appropriate anti-amoebic therapy. Recently, the loop-mediated isothermal amplification (LAMP) method has been applied to the clinical diagnosis of a range of infectious diseases. Here, we describe a rapid and efficient LAMP-based method targeting Acanthamoeba 18S rDNA gene for the detection of Acanthamoeba using clinical ocular specimens in the diagnosis of AK. Acanthamoeba LAMP assays detected 11 different strains including all AK-associated species. The copy number detection limit for a positive signal was 10 DNA copies of 18S rDNA per reaction. No cross-reactivity with the DNA of fungi or other protozoa was observed. The sensitivity of LAMP assay was higher than those of Nelson primer PCR and JDP primer PCR. In the present study, LAMP assay based on directly heat-treated samples was found to be as efficient at detecting Acanthamoeba as DNA extracted using a commercial kit, whereas PCR was only effective when commercial kit-extracted DNA was used. This study showed that the devised Acanthamoeba LAMP assay could be used to diagnose AK in a simple, sensitive, and specific manner.

Citations

Citations to this article as recorded by  Crossref logo
  • Ultrasensitive and rapid diagnostic tool for detection of Acanthamoeba castellanii
    Susanna Haapanen, Maarit S. Patrikainen, Seppo Parkkila
    Diagnostic Microbiology and Infectious Disease.2023; 107(2): 116014.     CrossRef
  • A simple and visible detection method for the rapid diagnosis of Ustilaginoidea virens in rice seeds by a loop‐mediated isothermal amplification assay
    Wei Wang, Hang Yin, Ning Huang, Cuijing Zhu, Yufei Wang, Xintong Qi, Lu Ma, Yunxin Fan, Yao Yu, Hongsheng Zhang, Yongmei Bao
    Journal of Phytopathology.2021; 169(6): 369.     CrossRef
  • Efficient nested-PCR-based method development for detection and genotype identification of Acanthamoeba from a small volume of aquatic environmental sample
    Tsui-Kang Hsu, Jung-Sheng Chen, Hsin-Chi Tsai, Chi-Wei Tao, Yu-Yin Yang, Ying-Chin Tseng, Yi-Jie Kuo, Dar-Der Ji, Jagat Rathod, Bing-Mu Hsu
    Scientific Reports.2021;[Epub]     CrossRef
  • Development of Visually Improved Loop Mediated Isothermal Amplification for the Diagnosis of Plasmodium vivax Malaria in a Tertiary Hospital in Chandigarh, North India
    Hargobinder Kaur, Rakesh Sehgal, Devendra Bansal, Ali A. Sultan, Ashish Bhalla, Sunit C. Singhi
    The American Journal of Tropical Medicine and Hygiene.2018; 98(5): 1374.     CrossRef
  • Detection of Acanthamoeba spp. in water samples collected from natural water reservoirs, sewages, and pharmaceutical factory drains using LAMP and PCR in China
    Anna Lass, Milena Guerrero, Xiuping Li, Gabriele Karanis, Liqing Ma, Panagiotis Karanis
    Science of The Total Environment.2017; 584-585: 489.     CrossRef
  • Water-borne protozoa parasites: The Latin American perspective
    Félix Manuel Rosado-García, Milena Guerrero-Flórez, Gabriele Karanis, María Del Carmen Hinojosa, Panagiotis Karanis
    International Journal of Hygiene and Environmental Health.2017; 220(5): 783.     CrossRef
  • Evaluation of Loop-mediated Isothermal Amplification Assay for Rapid Diagnosis of Acanthamoeba Keratitis
    Abhishek Mewara, Sumeeta Khurana, Shakila Yoonus, Kirti Megha, Parveen Tanwar, Amit Gupta, Rakesh Sehgal
    Indian Journal of Medical Microbiology.2017; 35(1): 90.     CrossRef
  • Acanthamoeba keratitis: improving the Scottish diagnostic service for the rapid molecular detection of Acanthamoeba species
    Claire Low Alexander, Michael Coyne, Brian Jones, Deepa Anijeet
    Journal of Medical Microbiology .2015; 64(7): 682.     CrossRef
  • Molecular diagnosis in clinical parasitology: When and why?
    Samson SY Wong, Kitty SC Fung, Sandy Chau, Rosana WS Poon, Sally CY Wong, Kwok-Yung Yuen
    Experimental Biology and Medicine.2014; 239(11): 1443.     CrossRef
  • 11,282 View
  • 96 Download
  • Crossref
Brief Communication
Sensitive and Rapid Detection of Giardia lamblia Infection in Pet Dogs using Loop-Mediated Isothermal Amplification
Jie Li, Peiyuan Wang, Aiguo Zhang, Ping Zhang, Muhamd Alsarakibi, Guoqing Li
Korean J Parasitol 2013;51(2):237-241.
Published online April 25, 2013
DOI: https://doi.org/10.3347/kjp.2013.51.2.237

Giardia lamblia is recognized as one of the most prevalent parasites in dogs. The present study aimed to establish a loop-mediated isothermal amplification (LAMP) assay for rapid and specific detection of G. lamblia from dogs. The fecal samples were collected and prepared for microscopic analysis, and then the genomic DNA was extracted directly from purified cysts. The concentration of DNA samples of G. lamblia were diluted by 10-fold serially ranging from 10-1 to 10-5 ng/?l for LAMP and PCR assays. The LAMP assay allows the amplification to be finished within 60 min under isothermal conditions of 63℃ by employing 6 oligonucleotide primers designed based on G. lamblia elongation factor 1 alpha (EF1α) gene sequence. Our tests showed that the specific amplification products were obtained only with G. lamblia, while no amplification products were detected with DNA of other related protozoans. Sensitivity evaluation indicated that the LAMP assay was sensitive 10 times more than PCR. It is concluded that LAMP is a rapid, highly sensitive and specific DNA amplification technique for detection of G. lamblia, which has implications for effective control and prevention of giardiasis.

Citations

Citations to this article as recorded by  Crossref logo
  • Evaluation of loop mediated isothermal amplification, quantitative real-time PCR, conventional PCR methods for identifying Ascaris lumbricoides in human stool samples
    Mamta Thakur, Abhishek Mewara, PVM Lakshmi, Sucheta Guleria, Sumeeta Khurana
    Diagnostic Microbiology and Infectious Disease.2025; 112(3): 116808.     CrossRef
  • Evaluation of Touchdown Loop-Mediated Isothermal Amplification for the Detection of Giardia duodenalis
    Márton Hartdégen, András József Laki, Kolos Farkasvölgyi, Kristóf Iván, Judit Plutzer
    Parasitologia.2025; 5(2): 25.     CrossRef
  • Real‐time loop‐mediated isothermal amplification (real‐time LAMP) assay for rapid diagnosis of amoebic liver abscess
    Sandhya Khunger, Abhishek Mewara, Upninder Kaur, Ajay Duseja, Pallab Ray, Naveen Kalra, Navneet Sharma, Rakesh Sehgal
    Tropical Medicine & International Health.2024; 29(2): 104.     CrossRef
  • A colorimetric assay for Neospora caninum utilizing the loop-mediated isothermal amplification technique
    Tingting Liu, Kairao Hu, Meiyi Chen, Hongrong Hong, Xi Jiang, Rongsheng Huang, Yiwen Wang, Jing Huang, Xingang Yu, Quan Liu, Zhengkai Wei
    Research in Veterinary Science.2024; 179: 105395.     CrossRef
  • Advances in point-of-care and molecular techniques to detect waterborne pathogens
    Meysam Khodaparast, Dave Sharley, Stephen Marshall, Travis Beddoe
    npj Clean Water.2024;[Epub]     CrossRef
  • Detection of chronic toxoplasmosis in the brain of mice using loop-mediated isothermal amplification (LAMP) and conventional PCR
    Mona K. Hegazy, Nora E. Saleh, Wafaa A. Aboukamar
    Experimental Parasitology.2023; 251: 108556.     CrossRef
  • A rapid multiplex loop-mediated isothermal amplification (mLAMP) assay for detection of Entamoeba histolytica and Giardia duodenalis
    Abhishek Mewara, Sandhya Khunger, Chayan Sharma, Sivanantham Krishnamoorthi, Shreya Singh, Rakesh Yadav, Sumeeta Khurana, Rakesh Sehgal
    Letters in Applied Microbiology.2023;[Epub]     CrossRef
  • Disease Biomarkers of Giardiasis
    Norhamizah Roshidi, Norsyahida Arifin, Francisco Gonzalez Salazar
    Journal of Parasitology Research.2022; 2022: 1.     CrossRef
  • Optimization and validation of a loop-mediated isothermal amplification (LAMP) assay for detection of Giardia duodenalis in leafy greens
    Laura F. Lalonde, Vincent Xie, Jenna R. Oakley, Vladislav A. Lobanov
    Food and Waterborne Parasitology.2021; : e00123.     CrossRef
  • Loop mediated isothermal amplification (LAMP) of Toxoplasma DNA from dried blood spots
    Mona K. Hegazy, Soha I. Awad, Nora E. Saleh, Mamdouh M. Hegazy
    Experimental Parasitology.2020; 211: 107869.     CrossRef
  • Sensitive and rapid detection of Ortleppascaris sinensis (Nematoda: Ascaridoidea) by loop-mediated isothermal amplification
    Jinhong Zhao, Wei Xu, Genjun Tu, Yongkang Zhou, Xiaobing Wu
    PeerJ.2019; 7: e7607.     CrossRef
  • Development of a loop-mediated isothermal amplification technique and comparison with quantitative real-time PCR for the rapid visual detection of canine neosporosis
    Aongart Mahittikorn, Nipa Thammasonthijarern, Amonrattana Roobthaisong, Ruenruetai Udonsom, Supaluk Popruk, Sukhontha Siri, Hirotake Mori, Yaowalark Sukthana
    Parasites & Vectors.2017;[Epub]     CrossRef
  • Development of a Loop Mediated Isothermal Amplification for Diagnosis ofAscaris lumbricoidesin Fecal Samples
    Esther A. Shiraho, Agola L. Eric, Ibrahim N. Mwangi, Geoffrey M. Maina, Joseph M. Kinuthia, Martin W. Mutuku, Robert M. Mugambi, Jackson M. Mwandi, Gerald M. Mkoji
    Journal of Parasitology Research.2016; 2016: 1.     CrossRef
  • Molecular Detection of <i>Giardia intestinalis</i> from Stray Dogs in Animal Shelters of Gyeongsangbuk-do (Province) and Daejeon, Korea
    Jin-Cheol Shin, Alisha Wehdnesday Bernardo Reyes, Sang-Hun Kim, Suk Kim, Hyung-Jin Park, Kyoung-Won Seo, Kun-Ho Song
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