Table 3.

Numbers of the various types of WRKY genes in Arabidopsis, rice, poplar, and grape.

Group	Subgroup	Gene number
		AtWRKYa	OsWRKYa	PtWRKYa	VvWRKYa	VxWRKYb
I		32	34	50	16	3
	Ia	14	14	23	16	3
	Ib	18	20	27
II		26	30	44
	IIa	3	4	5	5	2
	IIb	8	8	9	7
	IIc	7	7	13	22
	IId	8	11	13	7	2
	IIe			4	8
III		14	36	10	7	1
Total		72	100	104	72	8

^aAccording to Wu et al. [20] and He et al. [21].

^b Vitis thunbergii, Vitis thunbergii, Vitis pseudoreticulata, and Vitis hybrid cultivar.