Author affiliations: Author affiliations: Airlangga University, Surabaya, East Java, Indonesia (C.A. Nidom); University of Tokyo, Tokyo, Japan (R. Takano, S. Yamada, Y. Sakai-Tagawa, K. Iwatsuki-Horimoto, Y. Muramoto, Y. Kawaoka); Ministry of Agriculture, Jakarta, Indonesia (S. Daulay); Agriculture and Livestock Agency, Tangerang, Indonesia (D. Aswadi); University of Shizuoka, Shizuoka City, Japan (T. Suzuki, Y. Suzuki); Chubu University, Kasugai City, Japan (Y. Suzuki); Kobe University, Kobe, Japan (K. Shinya, Y. Kawaoka); University of Wisconsin, Madison, Wisconsin, USA (Y. Kawaoka)
Figure A2. Phylogenetic relationships of the polymerase acidic protein (PA) (A) and nucleocapsid protein (NP) (B) genes of influenza A (H5N1) viruses in Indonesia. All trees were generated by neighbor-joining in ClustalW (www.clustal.org). Numbers above or below branches indicate neighbor-joining bootstrap values. Analyses were based on nucleotides 1426–2172 (747 bp) and 46–913 (868 bp) of the PA and NP genes, respectively. Each tree was rooted to A/duck/Guangxi/50/2001. Colors indicate swine isolates (blue) and chicken isolates (red) most closely related to swine viruses. Scale bar indicates 0.01 nt substitutions per site. Ck, chicken; Dk, duck; Fl, feline; Gx, Guangxi; HK, Hong Kong; IDN, Indonesia; Qa, quail; ST, Shantou; Sw, swine.
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