Hydrogen Sulfide Regulates Energy Production to Delay Leaf Senescence Induced by Drought Stress in Arabidopsis.

ABSTRACT: Hydrogen sulfide (H₂S) is a novel gasotransmitter in both mammals and plants. H₂S plays important roles in various plant developmental processes and stress responses. Leaf senescence is the last developmental stage and is a sequential degradation process that eventually leads to leaf death. A mutation of the H₂S-producing enzyme-encoding gene L-cysteine desulfhydrase1 (DES1) leads to premature leaf senescence but the underlying mechanisms are not clear. In this present study, wild-type, DES1 defective mutant (des1) and over-expression (OE-DES1) Arabidopsis plants were used to investigate the underlying mechanism of H₂S signaling in energy production and leaf senescence under drought stress. The des1 mutan

SUBMITTER: Jin Z 

PROVIDER: S-EPMC6265512 | biostudies-literature | 2018

REPOSITORIES: biostudies-literature