Article
The variable codons of H5N1 avian influenza A virus haemagglutinin genes.
Science in China. Series C, Life sciences - 1 Nov 2008
Shi Weifeng, Gibbs Mark J, Zhang Yanzhou, Zhuang Dongming, Dun Aishe, Yu Guangfu, Yang Nana, Murphy Robert W, Zhu Chaodong
Abstract excerpt
We investigated the selection pressures on the haemagglutinin genes of H5N1 avian influenza viruses using fixed effects likelihood models. We found evidence of positive selection in the sequences from isolates from 1997 to 2007, except viruses from 2000. The haemagglutinin sequences of viruses fr...
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