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1篇 您的检索式：作者名="Mark J.GIBBS"

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		题名	作者	年代	出处	被引量
	1	The variable codons of H5N1 avian influenza A virus haemagglutinin genes显示文摘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 from southeast Asia, Hong Kong and China's Mainland were the most polymorphic and had similar nonsyn-onymous profiles. Some sites were positively selected in viruses from most regions and a few of these sites displayed different amino acid patterns. Selection appeared to produce different outcomes in vi-ruses from Europe, Africa and Russia and from different host types. One position was found to be positively selected for human isolates only. Although the functions of some positively selected posi-tions are unknown, our analysis provided evidence of different temporal, spatial and host adaptations for H5N1 avian influenza viruses.	Mark J.GIBBS Robert W.MURPHY	2008	Science China(Life Sciences)2008，51，11：	0

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