Comprehensive metabolome and growth effects of thiamethoxam uptake and accumulation from soil on pak choi
文献类型： 外文期刊
作者： Li, Li 1 ; Yin, Shijie 1 ; Pan, Wei 1 ; Wang, Fuyun 1 ; Fan, Jiqiao 1 ;
作者机构： 1.Shanxi Agr Univ, Coll Plant Protect, Shanxi Key Lab Integrated Pest Management Agr, Taiyuan 030031, Peoples R China
2.81 Longcheng St, Taiyuan 030031, Peoples R China
关键词： Thiamethoxam; Pak choi; Metabolomics; Uptake; Translocation; Plant growth
期刊名称：FOOD CHEMISTRY （ 影响因子：8.8； 五年影响因子：8.6 ）
ISSN： 0308-8146
年卷期： 2024 年 433 卷
页码：
收录情况： SCI
摘要： Extensive use of the neonicotinoid thiamethoxam (TMX) results in its deposition in soil, which can then be absorbed and translocated in vegetables. Here we analyzed the comprehensive effects of TMX on pak choi. The TMX translocation factor (TF) was 0.37-11.65 and 0.46-39.75 for low and high treatments over 28 d, respectively, indicating its ready ability to move from the roots to the leaves of these plants. This uptake was associated with significant decrease in the fresh weight, and increase in vitamin C (VC), soluble sugars and soluble solid of pak choi. A metabolomic analysis revealed that fatty acids and purine nucleosides significantly decreased, and flavonoids and carbohydrates increased in the presence of TMX. TMX exposure thus influenced plant growth and disrupted the carbohydrate and lipid metabolism pathways. Our study raises concerns for food safety risk associated with TMX-contaminated soil.
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