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Cited by 306

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Involvement of Arabidopsis HOS15 in histone deacetylation and cold tolerance

Open access
Zhu, Jianhua, Jeong, Jae Cheol, Zhu, Yanmei, Sokolchik, Irina, Miyazaki, Saori, Zhu, Jian-Kang, Hasegawa, Paul M., Bohnert, Hans J., Shi, Huazhong, Yun, Dae-Jin, Bressan, Ray A.·2008·Proceedings of the National Academy of Sciences

Abstract

Histone modification in chromatin is one of the key control points in gene regulation in eukaryotic cells. Protein complexes composed of histone acetyltransferase or deacetylase, WD40 repeat protein, and many other components have been implicated in this process. Here, we report the identification and functional characterization of HOS15, a WD40-repeat protein crucial for repression of genes associated with abiotic stress tolerance through histone deacetylation in Arabidopsis . HOS15 shares high sequence similarity with human transducin-beta like protein (TBL), a component of a repressor protein complex involved in histone deacetylation. Mutation of the HOS15 gene renders mutant plants hypersensitive to freezing temperatures. HOS15 is localized in the nucleus and specifically interacts with histone H4. The level of acetylated histone H4 is higher in the hos15 mutant than in WT plants. Moreover, the stress inducible RD29A promoter is hyperinduced and associated with a substantially higher level of acetylated histone H4 in the hos15 mutant under cold stress conditions. Our results suggest a critical role for gene activation/repression by histone acetylation/deacetylation in plant acclimation and tolerance to cold stress.

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Metadata

Authors
Zhu, J., Jeong, J. C., Zhu, Y., Sokolchik, I., Miyazaki, S., Zhu, J.-K., Hasegawa, P. M., Bohnert, H. J., Shi, H., Yun, D.-J., & Bressan, R. A.
Venue
Proceedings of the National Academy of Sciences
Published
2008-03-25
Volume
105
Issue
12
Pages
4945-4950
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2160061988
Cited by
306
References
5
FWCI
19.28
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Involvement of Arabidopsis HOS15 in histone deacetylation and cold tolerance. https://app.cochat.ai/papers/10.1073/pnas.0801029105
The paper
Zhu, J., Jeong, J. C., Zhu, Y., Sokolchik, I., Miyazaki, S., Zhu, J.-K., Hasegawa, P. M., Bohnert, H. J., Shi, H., Yun, D.-J., & Bressan, R. A. (2008). Involvement of Arabidopsis HOS15 in histone deacetylation and cold tolerance. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.0801029105

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