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 1 ; Liu, Yan 1 ; Sun, Penglei 2 ; Wang, Ya 1 ; Huang, Qiaoqiao 1 ;
作者机构： 1.Chinese Acad Trop Agr Sci, Environm & Plant Protect Inst, Key Lab Integrated Pest Management Trop Crops, Minist Agr & Rural Affairs, Haikou 571101, Peoples R China
2.Chinese Acad Agr Sci, Inst Plant Protect, Beijing 100193, Peoples R China
关键词：
期刊名称：JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY （ 影响因子：6.2； 五年影响因子：6.4 ）
ISSN： 0021-8561
年卷期： 2025 年
页码：
收录情况： SCI
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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