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Creators/Authors contains: "Mun, Hyungwon"

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  1. ; ; ; ; ; ; ; (, New Phytologist)
    Summary Evolutionarily conserved DEK domain‐containing proteins have been implicated in multiple chromatin‐related processes, mRNA splicing and transcriptional regulation in eukaryotes.Here, we show that two DEK proteins, DEK3 and DEK4, control the floral transition inArabidopsis. DEK3 and DEK4 directly associate with chromatin of related flowering repressors,FLOWERING LOCUS C(FLC), and its two homologs,MADS AFFECTING FLOWERING4(MAF4) andMAF5, to promote their expression.The binding of DEK3 and DEK4 to a histone octamerin vivoaffects histone modifications atFLC,MAF4andMAF5loci. In addition, DEK3 and DEK4 interact with RNA polymerase II and promote the association of RNA polymerase II withFLC,MAF4andMAF5chromatin to promote their expression.Our results show that DEK3 and DEK4 directly interact with chromatin to facilitate the transcription of key flowering repressors and thus prevent precocious flowering inArabidopsis. 
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