{"title":"印度西孟加拉邦一名罕见隐孢子虫病患者虚隐孢子虫感染的分子鉴定。","authors":"Sanjib Kumar Sardar, Ajanta Ghosal, Yumiko Saito-Nakano, Shanta Dutta, Tomoyoshi Nozaki, Sandipan Ganguly","doi":"10.3347/kjp.2021.59.4.409","DOIUrl":null,"url":null,"abstract":"<p><p>In this study, we have collected and screened a total of 268 stool samples from diarrheal patients admitted to an Infectious disease hospital in Kolkata for the presence of Cryptosporidium spp. The initial diagnosis was carried out by microscopy followed by genus specific polymerase chain reaction assays based on 70 kDa heat shock proteins (HSP70). DNA sequencing of the amplified locus has been employed for determination of genetic diversity of the local isolates. Out of 268 collected samples, 12 (4.48%) were positive for Cryptosporidium spp. Sequences analysis of 70 kDa heat shock proteins locus in 12 Cryptosporidium local isolates revealed that 2.24% and 1.86% of samples were showing 99% to 100% identity with C. parvum and C. hominis. Along with the other 2 major species one recently described globally distributed pathogenic species Cryptosporidium viatorum has been identified. The HSP70 locus sequence of the isolate showed 100% similarity with a previously described isolate of C. viatorum (Accession No. JX978274.1, JX978273.1, and JN846706.1) present in GenBank.</p>","PeriodicalId":49938,"journal":{"name":"Korean Journal of Parasitology","volume":null,"pages":null},"PeriodicalIF":1.4000,"publicationDate":"2021-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/ba/80/kjp-59-4-409.PMC8413857.pdf","citationCount":"1","resultStr":"{\"title\":\"Molecular Identification of Cryptosporidium viatorum Infection in a Patient Suffering from Unusual Cryptosporidiosis in West Bengal, India.\",\"authors\":\"Sanjib Kumar Sardar, Ajanta Ghosal, Yumiko Saito-Nakano, Shanta Dutta, Tomoyoshi Nozaki, Sandipan Ganguly\",\"doi\":\"10.3347/kjp.2021.59.4.409\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p>In this study, we have collected and screened a total of 268 stool samples from diarrheal patients admitted to an Infectious disease hospital in Kolkata for the presence of Cryptosporidium spp. The initial diagnosis was carried out by microscopy followed by genus specific polymerase chain reaction assays based on 70 kDa heat shock proteins (HSP70). DNA sequencing of the amplified locus has been employed for determination of genetic diversity of the local isolates. Out of 268 collected samples, 12 (4.48%) were positive for Cryptosporidium spp. Sequences analysis of 70 kDa heat shock proteins locus in 12 Cryptosporidium local isolates revealed that 2.24% and 1.86% of samples were showing 99% to 100% identity with C. parvum and C. hominis. Along with the other 2 major species one recently described globally distributed pathogenic species Cryptosporidium viatorum has been identified. The HSP70 locus sequence of the isolate showed 100% similarity with a previously described isolate of C. viatorum (Accession No. JX978274.1, JX978273.1, and JN846706.1) present in GenBank.</p>\",\"PeriodicalId\":49938,\"journal\":{\"name\":\"Korean Journal of Parasitology\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":1.4000,\"publicationDate\":\"2021-08-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/ba/80/kjp-59-4-409.PMC8413857.pdf\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Korean Journal of Parasitology\",\"FirstCategoryId\":\"3\",\"ListUrlMain\":\"https://doi.org/10.3347/kjp.2021.59.4.409\",\"RegionNum\":4,\"RegionCategory\":\"医学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"2021/8/18 0:00:00\",\"PubModel\":\"Epub\",\"JCR\":\"Q3\",\"JCRName\":\"PARASITOLOGY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Korean Journal of Parasitology","FirstCategoryId":"3","ListUrlMain":"https://doi.org/10.3347/kjp.2021.59.4.409","RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2021/8/18 0:00:00","PubModel":"Epub","JCR":"Q3","JCRName":"PARASITOLOGY","Score":null,"Total":0}
Molecular Identification of Cryptosporidium viatorum Infection in a Patient Suffering from Unusual Cryptosporidiosis in West Bengal, India.
In this study, we have collected and screened a total of 268 stool samples from diarrheal patients admitted to an Infectious disease hospital in Kolkata for the presence of Cryptosporidium spp. The initial diagnosis was carried out by microscopy followed by genus specific polymerase chain reaction assays based on 70 kDa heat shock proteins (HSP70). DNA sequencing of the amplified locus has been employed for determination of genetic diversity of the local isolates. Out of 268 collected samples, 12 (4.48%) were positive for Cryptosporidium spp. Sequences analysis of 70 kDa heat shock proteins locus in 12 Cryptosporidium local isolates revealed that 2.24% and 1.86% of samples were showing 99% to 100% identity with C. parvum and C. hominis. Along with the other 2 major species one recently described globally distributed pathogenic species Cryptosporidium viatorum has been identified. The HSP70 locus sequence of the isolate showed 100% similarity with a previously described isolate of C. viatorum (Accession No. JX978274.1, JX978273.1, and JN846706.1) present in GenBank.
期刊介绍：
The Korean Journal of Parasitology is the official journal paperless, on-line publication after Vol. 53, 2015 of The Korean Society for Parasitology and Tropical Medicine. Abbreviated title is ‘Korean J Parasitol’. It was launched in 1963. It contains original articles, case reports, brief communications, reviews or mini-reviews, book reviews, and letters to the editor on parasites of humans and animals, vectors, host-parasite relationships, zoonoses, and tropical medicine. It is published bimonthly in February, April, June, August, October, and December each year. Supplement numbers are at times published. All of the manuscripts are peer-reviewed.
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