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KCS12 is regulated by the KNOX4 transcription factor. A, PCR amplification regions of the KCS12 gene. P1 and P2 indicate two promoter regions. Coding regions are indicated by black box. B, ChIP analysis of the interaction between KNOX4 and the promoter of KCS12, performed with GFP antibody. P1 and P2 are promoter regions as indicated in (A). UBQ is used as control. ND, Not detectable. Error bars represent sd from three biological replicates.
