Abstract
WRKY transcription factors belong to one of the biggest superfamilies of proteins in higher plants. WRKY proteins participate in plant growth for instance, gamete formation, seed germination and are also responsive to different types of environmental cues including abiotic and biotic stresses. The DNA-binding site of WRKY factors is well established which interact with W?box (TGACC(A/T)) located in the promoter of their target genes and promote the activation or repression of the expression of those genes to control their response against stresses but it remains difficult to establish the functions of every family members to control particular transcriptional programs during development or in response to environmental signals. This review summarizes the recent progress made in unraveling the various WRKY protein-controlled functions under different environmental stresses.
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