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. 2011 Nov 4;8:505. doi: 10.1186/1743-422X-8-505

Table 1.

Gene constellations of different genotypes of the H9N2 AIVs


Virus Genotype Genetic source*

PB2 PB1 PA HA NP NA M NS

Ck/SD/WF/98 B0 BJ94 BJ94 BJ94 G9 BJ94 Y280 BJ94 BJ94
Ck/HLJ/u/98 G2 G1 G1 G1 Nor A Nor A G9 BJ94 SH96
Ck/SD/lx929/07 B62 F98 BJ94 Y439 Y280 F98 G9 BJ94 SH96
Ck/SD/lx1023/07 B62 F98 BJ94 Y439 Y280 F98 G9 BJ94 SH96
Ck/SD/LY-1/08 B63 F98 BJ94 H5N1 Y280 H5N1 Y280 BJ94 SH96
Ck/SD/BD/08 B55 F98 F98 F98 Y280 F98 Y280 G1 F98
Ck/SD/KD/09 B55 F98 F98 F98 Y280 F98 Y280 G1 F98
Ck/SD/02/08 B64 F98 BJ94 F98 Y280 F98 Y280 G1 F98
Ck/SD/01/09 B65 H F98 F98 Y280 F98 Y280 G1 F98
Ck/SD/02/09 B65 H F98 F98 Y280 F98 Y280 G1 F98
Ck/SD/H/09 B65 H F98 F98 Y280 F98 Y280 G1 F98
Ck/SD/BD/10 B65 H F98 F98 Y280 F98 Y280 G1 F98
Ck/SD/01/10 B65 H F98 F98 Y280 F98 Y280 G1 F98
Ck/SD/02/10 B65 H F98 F98 Y280 F98 Y280 G1 F98
Ck/SD/03/10 B65 H F98 F98 Y280 F98 Y280 G1 F98

* PB, polymerase basic protein; PA, polymerase acidic protein; HA, hemagglutinin; NP, nucleocapsid protein; NA, neuraminidase; M, matrix; NS, nonstructural; BJ94, Ck/Bei-like (represented by A/Chicken/Beijing/1/94); Y280, Y280-like (represented by A/duck/Hong Kong/Y280/97); F98, F98-like (represented by A/Chicken/Shanghai/F/98); G1, G1-like (represented by A/Quail/Hong Kong/G1/97); G9, G9-like (represented by A/Chicken/Hong Kong/G9/97); Y439, Y439-like (represented by A/duck/Hong Kong/Y439/97); SH96, SH96-like (represented by A/Quail/Shanghai/8/96); H, unknown source and named as H-like (represented by A/chicken/Shandong/H/09); H5N1, H5N1-like.