The Essential Role of H₂S-ABA Crosstalk in Maize Thermotolerance through the ROS-Scavenging System.

ABSTRACT: Hydrogen sulfide (H₂S) and abscisic acid (ABA), as a signaling molecule and stress hormone, their crosstalk-induced thermotolerance in maize seedlings and its underlying mechanism were elusive. In this paper, H₂S and ABA crosstalk as well as the underlying mechanism of crosstalk-induced thermotolerance in maize seedlings were investigated. The data show that endogenous levels of H₂S and ABA in maize seedlings could be mutually induced by regulating their metabolic enzyme activity and gene expression under non-heat stress (non-HS) and HS conditions. Furthermore, H₂S and ABA alone or in combination significantly increase thermotolerance in maize seedlings by improving the survival rate (SR) and mitigating biomembrane damage. Similarly, the activity

SUBMITTER: Wang JQ 

PROVIDER: S-EPMC10418723 | biostudies-literature | 2023 Jul

REPOSITORIES: biostudies-literature