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Vet Microbiol. 2011 Mar 24;148(2-4):384-8. doi: 10.1016/j.vetmic.2010.08.027. Epub 2010 Sep 8.

Molecular characterization of unusual bovine group A rotavirus G8P[14] strains identified in western India: emergence of P[14] genotype.

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Enteric Viruses Group, National Institute of Virology, 20-A, Dr. Ambedkar Road, Pune 411 001, India.


A total of 78 fecal specimens were collected from both apparently healthy (n=71) and diarrheic (n=7) cattle from an organized farm in Pune, western India in December 2007-January 2008. Three specimens tested positive for group A rotavirus (RV) by antigen capture ELISA were subjected to RT-PCR for amplification of entire coding regions of three structural (VP4, VP6 and VP7) and one nonstructural (NSP4) genes. All three strains were genotyped as G8P[14]. Phylogenetic analysis of the VP7 and VP4 genes showed clustering of the VP7 gene with G8 strains of bovine origin and VP4 gene with P[14] strains of human origin. The identification of VP6 and NSP4 genes to have I2 (subgroup I) and E2 (genotype A) specificity, respectively of bovine and human origin indicated independent segregation of genes in bovine RV strains. This study indicates circulation of a rare RV genotype, G8P[14] in western India. To our knowledge, this is the second report on RV G8[14] isolated from bovine species after bovine group A RV strain, SUN9 from Japan.

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