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Repression domain of the yeast global repressor Tup1 interacts directly with histones H3 and H4.

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Edmondson, D G, Smith, M M, Roth, S Y·1996·Genes & Development

Abstract

Repression of yeast a cell-specific genes by the global repressor Ssn6/Tup1 has been linked to a specific organization of chromatin. We report here that Tup1 directly interacts with the amino-terminal tails of histones H3 and H4, providing a molecular basis for this connection. This interaction appears to be required for Tup1 function because amino-terminal mutations in H3 and H4 that weaken interactions with Tup1 cause derepression of both a cell-specific and DNA damage-inducible genes. Moreover, the Tup1 histone-binding domain coincides with the previously defined Tup1 repression domain. Tup1/histone interactions are negatively influenced by high levels of histone acetylation, suggesting a mechanism whereby the organization of chromatin may be modulated in response to changing environmental signals.

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Metadata

Authors
Edmondson, D. G., Smith, M. M., & Roth, S. Y.
Venue
Genes & Development
Published
1996-05-15
Volume
10
Issue
10
Pages
1247-1259
ISSN
  • 0890-9369 (ISSN-L)
  • 1549-5477
OpenAlex
W2159952125
Cited by
450
References
0
Type
posted content
Language
en
Open access
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CoChat. (2026). Citation check: Repression domain of the yeast global repressor Tup1 interacts directly with histones H3 and H4. https://app.cochat.ai/papers/10.1101/gad.10.10.1247
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Edmondson, D. G., Smith, M. M., & Roth, S. Y. (1996). Repression domain of the yeast global repressor Tup1 interacts directly with histones H3 and H4. Genes & Development. https://doi.org/10.1101/gad.10.10.1247

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