Phylogenetic analysis of partial S1 and N gene sequences of infectious bronchitis virus isolates from Italy revealed genetic diversity and recombination

@article{Bochkov2006PhylogeneticAO,
  title={Phylogenetic analysis of partial S1 and N gene sequences of infectious bronchitis virus isolates from Italy revealed genetic diversity and recombination},
  author={Yury A Bochkov and Giovanni Tosi and Paola Massi and Vladimir V Drygin},
  journal={Virus Genes},
  year={2006},
  volume={35},
  pages={65-71}
}
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 relationship (94.6% identity) with 624/I strain. These two IBV types have been identified in… CONTINUE READING

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