Journal Article

Histone acetyltransferase TaHAG1 interacts with TaNACL to promote heat stress tolerance in wheat

Hu, Zhaorong, Liu, Xiaoyu, Lin, Jingchen, Liu, Xingbei, Li, Jinpeng, Chu, Wei, Xin, Mingming, Sun, Qixin, Liu, Debiao, Peng, Huiru, Ni, Zhongfu, Song, Na, Chen, Yongming, Chang, Shumin, Yao, Yingyin, Liu, Zehui, Yang, Qun, Guo, Weilong

2022

Overview

The most significantly enriched classes of these genes were those responsible for nucleosome organization, which was consistent with the role of TaHAG1 in histone modification (Figure 1o). [...]cellular component of plasma membrane and thylakoid was greatly enriched, indicating the membrane and photosynthetic system of TaHAG1-OE might be better adapted to HS treatment, which was further supported by lower electrolytic leakage and higher chlorophyll content in TaHAG1-OE plants. [...]this suggested that elevated Fv/Fm may be part of the thermotolerance mechanism mediated by TaHAG1 overexpression. Transient transactivation assay showed that TaNACL was able to activate the expression of TaG1 and TaPSBR1 promoter-driven luciferase (LUC) reporters. [...]coexpression TaHAG1 with TaNACL led to a significant increase in TaG1 and TaPSBR1 promoter activation compared with the expression of each single effector (Figure 1v).

• Publisher: John Wiley & Sons, Inc,John Wiley and Sons Inc
• Subject: Brief Communication / Chlorophyll / Conflicts of interest / Epigenetic inheritance / Epigenetics / Food supply / function analysis / genetic improvement / Heat stress / Heat tolerance / Histone acetyltransferase / Histones / Localization / Membranes / Mutation / Photosynthesis / Plant physiology / Proteins / Regulation / regulatory mechanism / Temperature tolerance / Thylakoid membranes / wheat