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Cell Res. 2017 Jul;27(7):898-915. doi: 10.1038/cr.2017.68. Epub 2017 May 12.

Class I histone deacetylases are major histone decrotonylases: evidence for critical and broad function of histone crotonylation in transcription.

Author information

1
Shanghai Key Laboratory of Regulatory Biology, The Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Shanghai 200241, China.
2
Joint Research Center for Translational Medicine, East China Normal University and Shanghai Fengxian District Central Hospital, No. 6600, Nanfeng Road, New Nanqiao Town, Fengxian District, Shanghai 201499, China.
3
Beijing Advanced Innovation Center for Food Nutrition and Human Health, China Agricultural University, Beijing 100193, China.
4
Department of Urology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, No. 600, Yishan Road, Xuhui District, Shanghai 200233, China.
5
Department of Urology, Shanghai Sixth People's Hospital South Campus, No. 6600, Nanfeng Road, New Nanqiao Town, Fengxian District, Shanghai 201499, China.

Abstract

Recent studies on enzymes and reader proteins for histone crotonylation support a function of histone crotonylation in transcription. However, the enzyme(s) responsible for histone decrotonylation (HDCR) remains poorly defined. Moreover, it remains to be determined if histone crotonylation is physiologically significant and functionally distinct from or redundant to histone acetylation. Here we present evidence that class I histone deacetylases (HDACs) rather than sirtuin family deacetylases (SIRTs) are the major histone decrotonylases, and that histone crotonylation is as dynamic as histone acetylation in mammalian cells. Notably, we have generated novel HDAC1 and HDAC3 mutants with impaired HDAC but intact HDCR activity. Using these mutants we demonstrate that selective HDCR in mammalian cells correlates with a broad transcriptional repression and diminished promoter association of crotonylation but not acetylation reader proteins. Furthermore, we show that histone crotonylation is enriched in and required for self-renewal of mouse embryonic stem cells.

PMID:
28497810
PMCID:
PMC5518989
DOI:
10.1038/cr.2017.68
[Indexed for MEDLINE]
Free PMC Article

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