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Title 

Detection and genotyping of Korean porcine rotaviruses

Authors 

H J KimS I ParkT P M HaY J JeongH H KimH J KwonM I KangK O ChoSu-Jin Park

Publisher 

Elsevier

Issue Date 

2010

Citation 

Veterinary Microbiology, vol. 144, no. 3, pp. 274-286

Keywords 

Genetic diversityPrevalenceReassortantRotavirus

Abstract 

Porcine group A rotavirus (GARV) is considered to be an important animal pathogen due to their economic impact in the swine industry and its potential to cause heterologous infections in humans. This study examined 475 fecal samples from 143 farms located in 6 provinces across South Korea. RT-PCR and nested PCR utilizing primer pairs specific for the GARV VP6 gene detected GARV-positive reactions in 182 (38.3%) diarrheic fecal samples. A total of 98 porcine GARV strains isolated from the GARV-positive feces were analyzed for G and P genotyping. Based on the sequence and phylogenetic analyses, the most predominant combination of G and P genotypes was G5P[7], found in 63 GARV strains (64.3%). The other combinations of G and P genotypes were G8P[7] (16 strains [16.3%]), G9P[7] (7 strains [7.1%]), G9P[23] (2 strains [2.0%]), and G8P[1] (1 strain [1.0%]). The counterparts of G or P genotypes were not determined in three G5, five P[7], and one P[1] strains. Interestingly, phylogenetic analysis indicated that all Korean G9 strains were more closely related to lineage VI porcine and human viruses than to other lineages (I-V) of GARVs and to Korean human G9 strains (lineage III). These results show that porcine GARV infections are common in diarrheic piglets in South Korea. The infecting strains are genetically diverse, and include homologous (G5P[7]), heterologous (G8P[1]), and reassortant (G8P[7]), as well as emerging G9 GARV strains.

ISSN 

0378-1135

Link 

http://dx.doi.org/10.1016/j.vetmic.2010.01.019

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2019-05-02


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