Table 1.

Poplar genes belonging to the two component type-A response regulator gene family (Ramírez-Carvajal et al., 2008) that were used for analysis of tissue-specific expression pattern.

Populus trichocarpa gene name	Populus trichocarpa gene ID	Arabidopsis gene name	AGI
PtRR1	Potri.010G037800	ARR3	AT1G59940
PtRR2	Potri.008G193000	ARR3	AT1G59940
PtRR3	Potri.002G082200	ARR9	AT3G57040
PtRR4	Potri.003G197500	ARR9/ARR8	AT3G57040/ AT2G41310
PtRR5	Potri.001G027000	ARR9/ARR8	AT3G57040/ AT2G41310
PtRR6	Potri.006G041100	ARR9	AT3G57040
PtRR7	Potri.016G038000	ARR8	AT2G41310
PtRR8	Potri.019G058900	ARR17	AT3G56380
PtRR9	Potri.013G157700	UCP030365	AT5G05240
PtRR10	Potri.015G070000	ARR5	AT3G48100
PtRR11	Potri.019G133600	ARR17	AT3G56380