pyrifos调节小鼠肠道微生物群和代谢活动
Robert G Nichols1, Bipin Rimal2, Fuhua Hao3
1Department of Biology, The Pennsylvania State University, University Park, PA, USA; One Health Microbiome Center, Huck Life Sciences Institute, University Park, PA 16802, USA.
Environment international
|September 23, 2024
概括
农药pyrifos,即使在较低的环境剂量下,也会改变肠道细菌的新陈代谢,并增加特定的有益细菌. 这种干扰可能会导致人类的肠道代谢活动失衡.
科学领域:
- 环境科学 环境科学
- 微生物学 微生物学
- 毒理学 毒理学 毒理学
背景情况:
- 有机酸盐农药,如酸,在农产品上广泛使用.
- pyrifos与人类的神经毒性有关.
- 以前的研究表明,有机酸盐可能会影响肠道微生物群,但对环境剂量的直接影响尚不清楚.
研究的目的:
- 调查环境相关的pyrifos剂量对肠道微生物群的直接影响.
- 评估细菌生理学,新陈代谢和社区结构的变化.
主要方法:
- 用流式细胞计量进行细菌生理学评估.
- 采用基于1H NMR的代谢基因组学来进行代谢分析.
- 分析了使用16S rRNA基因安普利康序列的Cecal微生物群社区变化.
主要成果:
- pyrifos暴露扰乱了细菌的新陈代谢,增加了氨基酸,碳水化合物和核酸.
- 乳杆菌,艾洛巴库勒姆,罗斯布里亚和布蒂里西科库斯的相对丰度增加.
- 预测氨基酸生物合成和核酸降解的降低,糖解的增加,由代谢学支持.
结论:
- 环境相关的pyrifos剂量会影响肠道微生物的代谢活动.
- 观察到的代谢变化可能导致肠道代谢活动的整体失衡.
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