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  4. HD2C interacts with HDA6 and is involved in ABA and salt stress response in Arabidopsis
 
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HD2C interacts with HDA6 and is involved in ABA and salt stress response in Arabidopsis

Resource
JOURNAL OF EXPERIMENTAL BOTANY, 63(8), 3297-3306
Journal
Journal of Experimental Botany
Journal Volume
63
Journal Issue
8
Pages
3297-3306
Date Issued
2012
Date
2012
Author(s)
Luo, Ming
Wang, Yu-Yuan
Liu, Xuncheng
Yang, Songguang
Lu, Qing
Cui, Yuhai
Wu, Keqiang  
DOI
10.1093/jxb/ers059
URI
http://ntur.lib.ntu.edu.tw//handle/246246/243238
http://ntur.lib.ntu.edu.tw/bitstream/246246/243238/-1/07.pdf
https://www.scopus.com/inward/record.uri?eid=2-s2.0-84861398941&doi=10.1093%2fjxb%2fers059&partnerID=40&md5=b9c8840e592346579d80fb247e7270d4
Abstract
HD2 proteins are plant specific histone deacetylases. Four HD2 proteins, HD2A, HD2B, HD2C, and HD2D, have been identified in Arabidopsis. It was found that the expression of HD2A, HD2B, HD2C, and HD2D was repressed by ABA and NaCl. To investigate the function of HD2 proteins further, two HD2C T-DNA insertion lines of Arabidopsis, hd2c-1 and hd2c-3 were identified. Compared with wild-type plants, hd2c-1 and hd2c-3 plants displayed increased sensitivity to ABA and NaCl during germination and decreased tolerance to salt stress. These observations support a role of HD2C in the ABA and salt-stress response in Arabidopsis. Moreover, it was demonstrated that HD2C interacted physically with a RPD3-type histone deacetylase, HDA6, and bound to histone H3. The expression of ABA-responsive genes, ABI1 and ABI2, was increased in hda6, hd2c, and hda6/hd2c-1 double mutant plants, which was associated with increased histone H3K9K14 acetylation and decreased histone H3K9 dimethylation. Taken together, our results suggested that HD2C functionally associates with HDA6 and regulates gene expression through histone modifications. © 2012 The Author.
Subjects
ABA; Arabidopsis; HD2C; HDA6; Histone deacetylases
Other Subjects
abscisic acid; Arabidopsis protein; bacterial DNA; HD2C protein, Arabidopsis; HDA6 protein, Arabidopsis; histone; histone deacetylase; sodium chloride; T DNA; T-DNA; acetylation; Arabidopsis; article; drug effect; enzymology; gene expression regulation; genetics; germination; growth, development and aging; metabolism; methylation; mutation; phenotype; physiological stress; physiology; plant seed; protein binding; protein processing; upregulation; Abscisic Acid; Acetylation; Arabidopsis; Arabidopsis Proteins; DNA, Bacterial; Gene Expression Regulation, Plant; Germination; Histone Deacetylases; Histones; Methylation; Mutagenesis, Insertional; Mutation; Phenotype; Protein Binding; Protein Processing, Post-Translational; Seeds; Sodium Chloride; Stress, Physiological; Up-Regulation; Arabidopsis
Type
journal article
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