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聚乙烯微塑料和干旱的共同暴露改变了米的生长,影响了代谢学和蛋白质学

Kiran Yasmin Khan¹, Barkat Ali², Hafiz Usman Ghani³

¹Key Laboratory of Advanced Process Control for Light Industry, Ministry of Education, Jiangnan University, Wuxi 214122, China.

The Science of the total environment

|October 20, 2024

概括

混合微塑料 (PV) 和干旱压力严重影响大米作物,降低产量并改变植物新陈代谢和蛋白质概况. 当与干旱相结合时,微塑料的毒性会被放大.

科学领域:

农业科学农业科学
环境科学环境科学
植物生物学植物生物学

背景情况:

微塑料 (PV) 和干旱压力通过改变土壤环境对作物生产构成重大威胁.
微塑料和干旱压力对作物生长的综合影响尚不清楚.
调查作物中的多重压力反应对于了解农业弹性至关重要.

研究的目的:

研究聚乙烯微塑料 (PV) 和干旱 (D) 对大米生长和生理学的联合影响.
通过蛋白质学和代谢学阐明大米多重压力反应的基础分子机制.
为了比较单个和联合PV和D处理对米品种Hanyou73和Q280.0.的影响.

主要方法:

蛋白质组学和代谢组学分析被用来研究大米对PV和D处理的反应.
米品种Hanyou73和Q280遭受了单个和组合的PV和D压力.
测量包括叶绿素含量,抗氧化酶活性,谷物产量和代谢/蛋白质分析.

主要成果:

所有的治疗都对叶绿素,抗氧化酶和谷物成分产生了负面影响.
除了单独使用PV外,在所有处理过程中,谷物产量都下降了,DPV显示出最低的产量.
DPV显著改变了新陈代谢,包括糖脂和酸的新陈代谢,Q280.0中的可溶糖含量发生了显著变化.

结论:

微塑料 (PV) 和干旱 (D) 压力,单独和组合,导致大米叶蛋白质和植物代谢的广泛变化.
联合PV和D处理加剧了微塑料的毒性,导致对大米植物产生更严重的不良影响.
了解这些多压力相互作用对于制定减轻在不断变化的环境中作物损失的策略至关重要.

关键词:

干旱干旱干旱干旱代谢产物的代谢物聚乙烯的微塑料聚化物.蛋白质蛋白质是一种蛋白质.大米大米大米大米大米

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