Reassortant Avian Influenza A(H5N1) Viruses with H9N2-PB1 Gene in Poultry, Bangladesh
Isabella Monne , Mat Yamage, Gwenaëlle Dauphin, Filip Claes, Garba Ahmed, Mohammed Giasuddin, Annalisa Salviato, Silvia Ormelli, Francesco Bonfante, Alessia Schivo, and Giovanni Cattoli
Author affiliations: Istituto Zooprofilattico Sperimentale delle Venezie, Padova, Italy (I. Monne, A. Salviato, S. Ormelli, F. Bonfante, A. Schivo, G. Cattoli); Food and Agriculture Organization of the United Nations Emergency Center for Transboundary Animal Diseases, Dhaka, Bangladesh (M. Yamage, G. Ahmed); Food and Agriculture Organization of the United Nations Animal Health Service, Rome, Italy (G. Dauphin, F. Claes); Bangladesh Livestock Research Institute National Reference Laboratory for Avian Influenza, Dhaka (M. Giasuddin)
Figure 2. . Maximum-likelihood phylogenetic tree for the basic polymerase 1 gene segment of avian influenza (H5N1) viruses from Bangladesh compared with other viruses. Green shading indicates viruses from Bangladesh sequenced and characterized in this study; yellow shading indicates previously described subtype H5N1/H9N2 reassortant influenza viruses (8,9) or those from GenBank. Numbers at the nodes represent bootstrap values. Scale bar indicates nucleotide substitutions per site.
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