Histone acetylation influences the transcriptional activation of POX in Beta vulgaris L. and Beta maritima L. under salt stress

Plant Physiology and Biochemistry : PPB
Seher YolcuMelike Bor

Abstract

Acetylation of histone proteins is a type of chromatin modification which facilitates the activation of genes. Recent studies brought up the importance of this reversible and rapid process for the regulation of gene expression especially in plant defense against a variety of environmental stresses. Deciphering the exact mechanisms of chromatin modifications under abiotic stress conditions is important for improving crop plants' performance and yield. In a previous study we compared the salt stress responses of Beta vulgaris (sugar beet) and Beta maritima (wild beet). In accordance with those results we suggested that chromatin remodeling can be an active process in the regulation of genes related to salt stress tolerance of these plants. Therefore we performed ChIP assay in control and salt stressed (250 and 500 mM NaCl) plants and compared the enrichment of acetylation in the associated chromatin sites. We found that the transcriptional activation of one peroxidase (POX) encoding gene was associated with the elevated levels of acetylation in H3K9 and H3K27 sites. The acetylation patterns were remarkably different between two species in which the highest acetylation levels were found at H3K9 and H3K27 in wild beet and sugar bee...Continue Reading

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Citations

Jul 26, 2016·Frontiers in Plant Science·Yongxue ZhangBing Yu
Dec 6, 2017·The New Phytologist·Yongqing Yang, Yan Guo
Dec 25, 2019·Journal of Integrative Plant Biology·Ya-Nan ChangCheng-Guo Duan
Feb 25, 2017·Frontiers in Plant Science·Kamlesh K MeenaParamjit S Minhas
Nov 30, 2019·Frontiers in Plant Science·Xiaoyan LvYuguang Wang
Apr 4, 2018·Applied Biochemistry and Biotechnology·Fawad KaleemAbdul Rehman Khan
May 25, 2021·Physiologia Plantarum·Wai-Shing YungHon-Ming Lam
Jun 22, 2021·Frontiers in Plant Science·Shumei FangXilong Liang
Aug 28, 2021·Genes·Matin Miryeganeh

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