Arabidopsis histone H3 lysine 9 methyltransferases KYP/SUVH5/6 are involved in leaf development by interacting with AS1-AS2 to repress KNAT1 and KNAT2
文献类型： 外文期刊
作者： Hung, Fu-Yu 1 ; Feng, Yun-Ru 1 ; Hsin, Kuan-Ting 3 ; Shih, Yuan-Hsin 1 ; Chang, Chung-Han 1 ; Zhong, Wenjian 1 ; Lai, You-Cheng 1 ; Xu, Yingchao 4 ; Yang, Songguang 4 ; Sugimoto, Keiko 2 ; Cheng, Yi-Sheng 1 ; Wu, Keqiang 1 ;
作者机构： 1.Natl Taiwan Univ, Inst Plant Biol, Taipei 10617, Taiwan
2.RIKEN, Ctr Sustainable Resource Sci, Yokohama 2300045, Japan
3.Natl Taiwan Univ, Dept Life Sci, Taipei 10617, Taiwan
4.Guangdong Acad Agr Sci, Vegetable Res Inst, Guangdong Key Lab New Technol Res Vegetables, Guangzhou 510640, Peoples R China
期刊名称：COMMUNICATIONS BIOLOGY （ 影响因子：5.9； 五年影响因子：6.3 ）
ISSN：
年卷期： 2023 年 6 卷 1 期
页码：
收录情况： SCI
摘要： The Arabidopsis H3K9 methyltransferases KRYPTONITE/SUPPRESSOR OF VARIEGATION 3-9 HOMOLOG 4 (KYP/SUVH4), SUVH5 and SUVH6 are redundantly involved in silencing of transposable elements (TEs). Our recent study indicated that KYP/SUVH5/6 can directly interact with the histone deacetylase HDA6 to synergistically regulate TE expression. However, the function of KYP/SUVH5/6 in plant development is still unclear. The transcriptional factors ASYMMETRIC LEAVES1 (AS1) and AS2 form a transcription complex, which is involved in leaf development by repressing the homeobox genes KNOTTED-LIKE FROM ARABIDOPSIS THALIANA 1 (KNAT1) and KNAT2. In this study, we found that KYP and SUVH5/6 directly interact with AS1-AS2 to repress KNAT1 and KNAT2 by altering histone H3 acetylation and H3K9 dimethylation levels. In addition, KYP can directly target the promoters of KNAT1 and KNAT2, and the binding of KYP depends on AS1. Furthermore, the genome-wide occupancy profile of KYP indicated that KYP is enriched in the promoter regions of coding genes, and the binding of KYP is positively correlated with that of AS1 and HDA6. Together, these results indicate that Arabidopsis H3K9 methyltransferases KYP/SUVH5/6 are involved in leaf development by interacting with AS1-AS2 to alter histone H3 acetylation and H3K9 dimethylation from KNAT1 and KNAT2 loci. Arabidopsis H3K9 methyltransferases directly interact with ASYMMETRIC LEAVES1 (AS1) and AS2 to repress KNOTTED-LIKE FROM ARABIDOPSIS THALIANA 1 (KNAT1) and KNAT2 in leaf development.
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