Molecular epidemiological analyses of Cryptosporidium parvum virus 1 (CSpV1), a symbiotic virus of Cryptosporidium parvum, in Japan

被引：14

作者：

Murakoshi, Fumi ^{[1
,6
]}

Ichikawa-Seki, Madoka ^{[2
]}

Aita, Junya ^{[2
]}

Yaita, Seiko ^{[3
]}

Kinami, Aiko ^{[4
]}

Fujimoto, Katsuhisa ^{[5
]}

Nishikawa, Yoshifumi ^{[1
]}

Murakami, Shin ^{[6
]}

Horimoto, Taisuke ^{[6
]}

Kato, Kentaro ^{[1
,6
]}

机构：

[1] Obihiro Univ Agr & Vet Med, Natl Res Ctr Protozoan Dis, Obihiro, Hokkaido 0808555, Japan

[2] Iwate Univ, Lab Vet Parasitol, Fac Agr, Morioka, Iwate 0208550, Japan

[3] Kumage Agr Mutual Aid Assoc, Kagoshima 8913604, Japan

[4] Veterinarian lwate Prefecture, Kamaishi, Iwate, Japan

[5] Ishikari Agr Mutual Aid Assoc, Ctr Vet Clin, Chitose, Hokkaido 0660081, Japan

[6] Univ Tokyo, Grad Sch Agr & Life Sci, Dept Vet Microbiol, Bunkyo Ku, Tokyo 1138657, Japan

来源：

VIRUS RESEARCH | 2016年 / 211卷

基金：

日本科学技术振兴机构;

关键词：

dsRNA viruses; Cryprosporidium parvum; Cryptosporidium parvum virus; Partitiviridae; Epidemiology; CHILDREN; ANIMALS; HUMANS; CALVES; ASSAY;

D O I：

10.1016/j.virusres.2015.09.021

中图分类号：

Q93 [微生物学];

学科分类号：

071005 ; 100705 ;

摘要：

We show that Cryptosporidium parvum virus 1 (CSpV1), a member of the family Partitiviridae, genus Cryspovirus that can infect Cryptosporidium parvum, is a new candidate for high-resolution tool for tracing C. parvum. CSpV1 was detected in all C. parvum-positive samples tested. Phylogenetic analysis of dsRNA1 sequence from CSpV1 can distinguish infected areas of C. parvum on the national level. Sequences detected in samples from Iwate prefecture and other islands (Tanegashima, and Okinawa) belonged to a single clade. This system can differentiate the samples from Hokkaido and south part of Japan as well as from other countries. Samples from Iwate, Tanegashima, and Okinawa belonged to a single subclade, respectively. Therefore, the CSpV1 dsRNA sequences reflect the regional distribution of their host and have potential as a high-resolution tool to trace C. parvum IIaA15G2R1 subtype. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：69 / 72

页数：4

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