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OsDREB2B physically interacts with OsWRKY21 in yeast and plant cells. (A) The interaction of OsDREB2B and OsWRKY21 was detected in yeast cells. AD, activation domain; BD, GAL4-DNA binding domain. (B) BiFC was used to detect the interaction of OsDREB2B and OsWRKY21 in rice protoplasts. Bright, bright field; YFP, YFP fluorescence; Marker, marker fluorescence. Bar = 10 µm.
