Detection and molecular characterization of porcine toroviruses in Korea

被引：22
|
作者：
Shin, Dong-Jun [2 ]
Park, Sang-Ik [2 ]
Jeong, Young-Ju [2 ]
Hosmillo, Myra [2 ]
Kim, Ha-Hyun [2 ]
Kim, Hyun-Jeong [2 ]
Kwon, Hyung-Jun [2 ]
Kang, Mun-Il [2 ]
Park, Su-Jin [1 ]
Cho, Kyoung-Oh [2 ]
机构：
[1] Korea Res Inst Biosci & Biotechnol, Bioind Res Ctr, Jeongeup 580185, Jeonbuk, South Korea
[2] Chonnam Natl Univ, Coll Vet Med, Biotherapy Human Resources Ctr, Kwangju 500757, South Korea
来源：
ARCHIVES OF VIROLOGY | 2010年 / 155卷 / 03期
关键词：
VIRUS-LIKE PARTICLES; BOVINE TOROVIRUS; BREDA-VIRUS; FECAL SPECIMENS; DIARRHEA; CALVES; EVOLUTION; FECES; PIGS;
D O I：
10.1007/s00705-010-0595-2
中图分类号：
Q93 [微生物学];
学科分类号：
071005 ; 100705 ;
摘要：
This study examined the prevalence and genetic diversity of the porcine torovirus (PToV) in Korea. Of 295 samples, 19 (6.4%) samples tested positive for PToVs by RT-PCR. A low nucleotide sequence identity of the partial S gene was detected among the Korean PToVs (73.5%) and between the Korean and European PToVs (74.0%). Phylogenetic analysis of the spike and nucleocapsid genes showed that the Korean PToVs form distinct branches with clusters corresponding to the farm of origin, which were separate from the other known foreign PToVs. These findings suggest that genetically diverse Korean PToV strains cause sporadic infections in Korea.
引用
收藏
页码：417 / 422
页数：6
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