Widely Targeted Metabolomics Reveals Metabolic Divergence in Abutilon theophrasti Populations Under Glufosinate Ammonium Treatment

文献类型： 外文期刊

第一作者： Guo, Xiaotong

作者： Guo, Xiaotong;Wang, Yu;Guo, Yulian;Luo, Chan;Cong, Keqiang

作者机构：

关键词： Abutilon theophrasti; glufosinate ammonium; widely targeted metabolomics; metabolic pathways

期刊名称：PLANTS-BASEL （ 影响因子：4.1； 五年影响因子：4.5 ）

ISSN： 2223-7747

年卷期： 2025 年 14 卷 13 期

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收录情况： SCI

摘要： Abutilon theophrasti Medikus, a pervasive weed infesting transgenic corn fields, exhibits increasing tolerance to glufosinate ammonium-a widely used herbicide in genetically modified cropping systems. This study employed a widely targeted metabolomics approach to investigate differential metabolic responses to glufosinate ammonium across two Abutilon theophrasti populations under identical treatments. A total of 2546 metabolites were detected, predominantly classified into alkaloids, amino acids and derivatives, and flavonoids, among other categories. Three pivotal metabolic pathways (Arginine and proline metabolism, Biosynthesis of amino acids, D-amino acid metabolism) were identified as critical regulators of herbicide response. These findings advance our understanding of weed metabolic adaptation to glufosinate ammonium and lay a foundation for elucidating potential herbicide resistance mechanisms in weeds.

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