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WRKY transcription factors are a large family of regulatory proteins involved mainly in modulating plant innate immune responses.The Arabidopsis thaliana transcription factor WRKY33 is a key transcriptional regulator of plant responses towards B.cinerea strain 2100 infection,and is essential for resistance.To elucidate the critical molecular components involved,global mapping of WRKY33-regulated target genes was performed by integrating ChIP-seq data of WRKY33 binding sites with RNA-seq results of 14h B.cinerea-induced and WRKY33-dependent gene expression profiles.