TY - GEN AU - Soda,Kosuke AU - Asakura,Shingo AU - Okamatsu,Masatoshi AU - Sakoda,Yoshihiro AU - Kida,Hiroshi TI - H9N2 influenza virus acquires intravenous pathogenicity on the introduction of a pair of di-basic amino acid residues at the cleavage site of the hemagglutinin and consecutive passages in chickens SN - 1743-422X PY - 2011///0524 KW - Amino Acid Sequence KW - Animals KW - Base Sequence KW - Cell Line KW - Chickens KW - Dogs KW - Hemagglutinin Glycoproteins, Influenza Virus KW - chemistry KW - Influenza A Virus, H5N1 Subtype KW - pathogenicity KW - Influenza A Virus, H9N2 Subtype KW - Influenza in Birds KW - virology KW - Molecular Sequence Data KW - Mutagenesis, Insertional KW - Poultry Diseases KW - Protein Processing, Post-Translational KW - Serial Passage N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1186/1743-422X-8-64 ER -