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Gene Review

HDA9  -  histone deacetylase 9

Arabidopsis thaliana

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High impact information on HDA9

  • Mutation of GCN5 resulted in a long-hypocotyl phenotype and reduced light-inducible gene expression, whereas mutation of HD1 induced opposite effects [1].
  • Analysis of histone deacetylase mutant cellular patterning further verified the participation of histone acetylation in cellular patterning, and revealed that HDA18 is a key component in the regulatory machinery of the Arabidopsis root epidermis [2].


  1. Arabidopsis GCN5, HD1, and TAF1/HAF2 Interact to Regulate Histone Acetylation Required for Light-Responsive Gene Expression. Benhamed, M., Bertrand, C., Servet, C., Zhou, D.X. Plant Cell (2006) [Pubmed]
  2. Histone acetylation affects expression of cellular patterning genes in the Arabidopsis root epidermis. Xu, C.R., Liu, C., Wang, Y.L., Li, L.C., Chen, W.Q., Xu, Z.H., Bai, S.N. Proc. Natl. Acad. Sci. U.S.A. (2005) [Pubmed]
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