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Glutathione peroxidase 1 (GPX1) interactome

ABSTRACT: Native protein extracts from 2-week-old seedlings of wild-type and GPX1-OE lines were used to identify interactions partners of glutathione peroxidase 1 in rice.

ORGANISM(S): Oryza Sativa

SUBMITTER: Iris Finkemeier

PROVIDER: PXD027157 | JPOST Repository | Thu Jul 07 00:00:00 BST 2022

REPOSITORIES: jPOST

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Rice GLUTATHIONE PEROXIDASE1-mediated oxidation of bZIP68 positively regulates ABA-independent osmotic stress signaling.

Zhou Heng H Zhang Feng F Zhai Fengchao F Su Ye Y Zhou Ying Y Ge Zhenglin Z Tilak Priyadarshini P Eirich Jürgen J Finkemeier Iris I Fu Ling L Li Zongmin Z Yang Jing J Shen Wenbiao W Yuan Xingxing X Xie Yanjie Y

Molecular plant 20211115 4

Osmotic stress caused by drought and high salinity is a significant environmental threat that limits plant growth and agricultural yield. Redox regulation plays an important role in plant stress responses, but the mechanisms by which plants perceive and transduce redox signals are still underexplored. Here, we report a critical function for the thiol peroxidase GPX1 in osmotic stress response in rice, where it serves as a redox sensor and transducer. GPX1 is quickly oxidized upon exposure to osm ...[more]

PMID: 34793984

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