Evolution of Duplicated Glutathione Metabolic Pathway in Gossypium hirsutum and Its Response to UV-B Stress.

ABSTRACT: Increasing levels of UV-B radiation caused by the greenhouse effect has become an emerging threat to crop health and yield. The glutathione (GSH) metabolic pathway is generally involved in plant stress responses through scavenging accumulated reactive oxygen species, and is therefore believed to play an essential role in enhancing plant tolerance to UV-B stress. However, the complex evolutionary details of this pathway in polyploid plants, especially under UV-B stress, remain largely unknown. Here, using the important allotetraploid crop, Gossypium hirsutum, as an example, we comprehensively investigated the composition and phylogenetic relationships of genes encoding 12 key structural enzymes in this pathway, and compared the expression changes of all the relevant genes under UV-B

SUBMITTER: Song X 

PROVIDER: S-EPMC11575938 | biostudies-literature | 2024 Nov

REPOSITORIES: biostudies-literature