微 (纳米) 塑料和酸盐驱动内生菌的改变,并抑制小麦根的生长
Minling Gao1, Linsen Bai1, Ling Xiao1
1Department of Materials and Environmental Engineering, Shantou University, Shantou 515063, China.
The Science of the total environment
|October 12, 2023
概括
微塑料和酸盐会影响小麦内细胞. 纳米塑料增加了污染物的吸收并改变了微生物群落,而微塑料的影响较小,揭示了植物微生物对环境压力的防御策略.
科学领域:
- 环境科学 环境科学
- 微生物学 微生物学
- 植物科学 植物科学
背景情况:
- 内菌对植物生长和耐压力至关重要.
- 关于微 (纳米) 塑料和甲酸 (PAE) 对陆地植物内细胞的影响的数据有限.
研究的目的:
- 研究聚钢 (PS) 微/纳米塑料和PAE对小麦内生菌群体的综合影响.
- 阐明内菌对这些共同暴露的生态反应.
主要方法:
- 用小麦暴露于PS纳米粒子 (PS-NPs) 和微塑料 (PS-MPs) 的水培实验.
- 分析PS积累,PAE代谢,内生植物群体结构,多样性和小麦根生物质.
- 统计分析,包括主要坐标分析和变异的多变量分析.
主要成果:
- 小麦根吸收了PS-NP,但只附着了PS-MP.
- 与PS-NP相比,PAE积累更多;PS大小影响了PAE水平,并诱导了氧化损伤.
- 增加PS大小促进了主导性内菌,特别是蛋白质细菌,影响了微生物多样性.
结论:
- PS大小是影响内生植物群落和植物恒温的关键因素.
- 内生菌和抗氧化酶表现出对环境压力的协同抵抗力.
- PS和PAE相互作用,直接和间接地影响内生植物群落.
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