Article
Phylogenetic analysis of partial S1 and N gene sequences of infectious bronchitis virus isolates from Italy revealed genetic diversity and recombination.
Virus genes - 1 Aug 2007
Bochkov Yury A, Tosi Giovanni, Massi Paola, Drygin Vladimir V
Abstract excerpt
A total of ten infectious bronchitis virus (IBV) isolates collected from commercial chickens in Italy in 1999 were characterized by RT-PCR and sequencing of the S1 and N genes. Phylogenetic analysis based on partial S1 gene sequences showed that five field viruses clustered together with 793/B-type strains, having 91.3-98.5% nucleotide identity within the group, and one isolate had very close sequence...
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