The ubiquitin-specific protease USP36 is a conserved histone H2B deubiquitinase

Tiffany DeVine, Rosalie Sears, Mushui Dai

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Histone H2B monoubiquitination plays a critical role in the regulation of gene transcription. Deregulation of H2B monoubiquitination contributes to human pathologies, such as cancer. Here we report that human USP36 is a novel H2Bub1 deubiquitinase. We show that USP36 interacts with H2B and deubiquitinates H2Bub1 in cells and in vitro. Overexpression of USP36 markedly reduced the levels of H2Bub1 in cells. Using the p21 gene as a model, we demonstrate that depletion of USP36 increases H2Bub1 at the p21 locus, primarily within its gene body. Consistently, knockdown of USP36 induced the expression of p21 and inhibits cell proliferation. Together, our results reveal USP36 as a novel H2B deubiquitinase and shed light on its additional functions in regulating gene expression.

Original languageEnglish (US)
Pages (from-to)2363-2368
Number of pages6
JournalBiochemical and Biophysical Research Communications
Volume495
Issue number3
DOIs
StatePublished - Jan 15 2018

Fingerprint

Ubiquitin-Specific Proteases
Histones
Genes
Deregulation
Cell proliferation
Pathology
Transcription
Gene expression
Cell Proliferation
Gene Expression
Deubiquitinating Enzymes
Neoplasms

Keywords

  • Deubiquitinating enzyme
  • H2B
  • H2Bub1
  • Histone
  • USP36

ASJC Scopus subject areas

  • Biophysics
  • Biochemistry
  • Molecular Biology
  • Cell Biology

Cite this

The ubiquitin-specific protease USP36 is a conserved histone H2B deubiquitinase. / DeVine, Tiffany; Sears, Rosalie; Dai, Mushui.

In: Biochemical and Biophysical Research Communications, Vol. 495, No. 3, 15.01.2018, p. 2363-2368.

Research output: Contribution to journalArticle

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