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Two Mammalian MOF Complexes Regulate Transcription Activation by Distinct Mechanisms

Open access
Li, Xiangzhi, Wu, Lipeng, Corsa, Callie Ann Sprunger, Kunkel, Steve, Dou, Yali·2009·Molecular Cell

Abstract

SUMMARY In mammals, MYST family histone acetyltransferase MOF plays important roles in transcription activation by acetylating histone H4 on K16, a prevalent mark associated with chromatin decondensation, and transcription factor p53 on K120, which is important for activation of pro-apoptotic genes. However, little is known about MOF regulation in higher eukaryotes. Here, we report that the acetyltransferase activity of MOF is tightly regulated in two different but evolutionarily conserved complexes, MSL and MOF-MSL1v1. Importantly, we demonstrate that while the two MOF complexes have indistinguishable activity on histone H4 K16, they differ dramatically in acetylating non-histone substrate p53. We further demonstrate that MOF-MSL1v1 is specifically required for optimal transcription activation of p53 target genes both in vitro and in vivo. Our results support a model that these two MOF complexes regulate distinct stages of transcription activation in cooperation with other histone modifying activities.

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Metadata

Authors
Li, X., Wu, L., Corsa, C. A. S., Kunkel, S., & Dou, Y.
Venue
Molecular Cell
Publisher
Elsevier BV
Published
2009-10
Volume
36
Issue
2
Pages
290-301
ISSN
1097-2765 (ISSN-L)
OpenAlex
W1980726773
Cited by
176
References
2
FWCI
5.40
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Two Mammalian MOF Complexes Regulate Transcription Activation by Distinct Mechanisms. https://app.cochat.ai/papers/10.1016/j.molcel.2009.07.031
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Li, X., Wu, L., Corsa, C. A. S., Kunkel, S., & Dou, Y. (2009). Two Mammalian MOF Complexes Regulate Transcription Activation by Distinct Mechanisms. Molecular Cell. https://doi.org/10.1016/j.molcel.2009.07.031

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