Plants, Год журнала: 2024, Номер 13(24), С. 3554 - 3554

Опубликована: Дек. 19, 2024

Rice sheath blight (RSB), caused by the pathogenic fungus Rhizoctonia solani, poses a significant threat to global food security. The defense mechanisms employed rice against RSB are not well understood. In our study, we analyzed interactions between and R. solani comparing phenotypic changes, ROS content, metabolite variations in both tolerant susceptible varieties during early stages of fungal infection. Notably, there were distinct differences response cultivar Zhengdao22 (ZD) Xinzhi No.1 (XZ). We observed that activities five defense-related enzymes cultivars changed dynamically from 0 72 h post-infection with solani. particular, superoxide dismutase peroxidase closely associated resistance RSB. Metabolomic analysis revealed 825 differentially accumulated metabolites (DAMs) varieties, 493 DAMs responding Among these, lipids lipid-like molecules, organic oxygen compounds, phenylpropanoids polyketides, organoheterocyclic acids their derivatives most significantly enriched. One DAM, P-coumaraldehyde, which responded infection, was found effectively inhibit growth Magnaporthe grisea, Ustilaginoidea virens. Additionally, multiple metabolic pathways, including amino acid metabolism, carbohydrate metabolism cofactors vitamins, terpenoids likely involved resistance. Our research provides valuable insights into molecular underlying interaction

Язык: Английский