EcUGT79-like Mediated Metabolic Resistance to Auxin Herbicide Quinclorac in Echinochloa crus-galli
文献类型: 外文期刊
作者: Wang, Hao;Liu, Yan;Sun, Penglei;Wang, Ya;Huang, Qiaoqiao
作者机构:
关键词: Echinochloa crus-galli;quinclorac;herbicide metabolism;RNA-seq;metabolomic;EcUGT79-like
期刊名称: JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
ISSN: 0021-8561
年卷期: 2025 年
页码:
收录情况: SCIE(2025版) ; ; EI(2025版)
摘要: Echinochloa crus-galli poses a significant challenge to rice production, with herbicide resistance threatening agricultural output in South China. We investigated quinclorac resistance in E. crus-galli populations in rice fields in the Hainan Province, identifying a metabolically resistant (R) population that exhibited faster metabolism compared with the susceptible (S) population. RNA-Seq revealed 18 differentially expressed genes (DEGs), including two of the P450 family, four glutathione S-transferases (GSTs), six glycosyltransferases (GTs), one ABC transporter, and one hydrolase, that were upregulated in the R biotype. Metabolomic analysis identified 28 differentially accumulated metabolites (DAMs) that were specifically enriched in the R biotype. Correlation analysis showed that the DEGs of EcUGT79-like and EcUGT13248-like were strongly positively correlated with most of the DAMs. Transgenic Arabidopsis and yeast expressing EcUGT79-like exhibited resistance to quinclorac and clopyralid, whereas the transgenic EcUGT13248-like biotype did not display resistance. Overall, EcUGT79-like is the primary functional gene conferring resistance to quinclorac in E. crus-galli.
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