GhCDPK60 Positively Regulates Drought Stress Tolerance in Both Transgenic and Cotton by Regulating Proline Content and ROS Level

Overview

Journal Front Plant Sci

Date 2022 Dec 19

PMID 36531339

Authors

Mengyuan Yan

Xiaotian Yu

Gen Zhou

Dongli Sun

Yu Hu

Chenjue Huang

Qintao Zheng

Nan Sun

Jiayan Wu

Zhaobin Fu

Libei Li

Zhen Feng

Shuxun Yu

Affiliations

Soon will be listed here.

Abstract

Calcium-Dependent Protein Kinases (CDPKs) involved in regulating downstream components of calcium signaling pathways play a role in tolerance to abiotic stresses and seed development in plants. However, functions of only a few cotton CDPKs have been clarified at present. In this study, 80 conserved CDPKs in L. were identified and characterized, which was divided into four subgroups. Among them, the transcript level of was significantly upregulated under drought and several hormone treatments. And we found that the expression levels of several stress-inducible genes down-regulated in -silence cotton and up-regulated in -overexpressing . In addition, physiological analyses demonstrated that improved drought stress tolerance by improving the osmotic adjustment ability and reducing the accumulation of reactive oxygen species (ROS) in plants. These findings broaden our understanding of the biological roles of and mechanisms underlying drought stress tolerance in cotton.

Citing Articles

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