Article
Genetic diversity of avian infectious bronchitis viruses in Japan based on analysis of s2 glycoprotein gene.
The Journal of veterinary medical science - 1 Mar 2009
Mase Masaji, Inoue Toshikazu, Yamaguchi Shigeo, Imada Tadao
Abstract excerpt
To understand the genetic diversity of the S2 gene of infectious bronchitis viruses (IBV) isolated in Japan, we determined the nucleotide sequences of these IBVs using the reverse transcriptase polymerase chain reaction method coupled with direct sequencing. IBV isolated in Japan were classified into six different groups by phylogenetic analysis based on the S2 gene. However, the classification based on the S2...
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