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- Title
Plant hormones and phenolic acids response to UV-B stress in Rhododendron chrysanthum pall.
- Authors
Sun, Qi; Li, Xiangqun; Sun, Li; Sun, Mingyi; Xu, Hongwei; Zhou, Xiaofu
- Abstract
Our study aims to identify the mechanisms involved in regulating the response of Rhodoendron Chrysanthum Pall. (R.chrysanthum) leaves to UV-B exposure; phosphorylated proteomics and metabolomics for phenolic acids and plant hormones were integrated in this study. The results showed that UV-B stress resulted in the accumulation of salicylic acid and the decrease of auxin, jasmonic acid, abscisic acid, cytokinin and gibberellin in R.chrysanthum. The phosphorylated proteins that changed in plant hormone signal transduction pathway and phenolic acid biosynthesis pathway were screened by comprehensive metabonomics and phosphorylated proteomics. In order to construct the regulatory network of R.chrysanthum leaves under UV-B stress, the relationship between plant hormones and phenolic acid compounds was analyzed. It provides a rationale for elucidating the molecular mechanisms of radiation tolerance in plants.
- Subjects
PHENOLIC acids; PLANT hormones; ABSCISIC acid; RADIATION tolerance; RHODODENDRONS; SALICYLIC acid
- Publication
Biology Direct, 2024, Vol 19, Issue 1, p1
- ISSN
1745-6150
- Publication type
Article
- DOI
10.1186/s13062-024-00483-0