通过使用metatranscriptomics处理废水暴露诱导的原生体社区功能的时间动态解开
Manan Shah1,2,3,4, Guido Sieber5,6, Aman Deep5,7
1Biodiversity, University of Duisburg-Essen, Essen, Germany. manan.shah@uni-due.de.
Scientific reports
|July 4, 2025
概括
经过处理的废水 (TWW) 改变了淡水原生体的功能,而元转录组学揭示了信号通路的早期变化. 功能分析为检测TWW影响和指导生态系统管理提供了一种敏感的方法.
科学领域:
- 环境微生物学环境微生物学
- 生态毒理学 生态毒理学
- 分子生态学分子生态学
背景情况:
- 处理废水 (TWW) 排放影响淡水微生物群落,特别是对营养循环至关重要的原生体.
- 关于原生社区对TWW暴露的功能反应的理解有限.
- 评估生态影响需要洞察超越分类学多样性的功能转变.
研究的目的:
- 通过使用metatranscriptomics调查TWW暴露后的原生体社区功能的时间动态.
- 为了比较metatranscriptomics的灵敏度与检测废水干扰的传统方法.
- 确定受TWW影响的特定功能途径,并评估社区的适应.
主要方法:
- Mesocosm实验模拟TWW排放到淡水生态系统中的情况.
- 在10天的时间里对水样进行了metatranscriptomic分析.
- 专注于处理的元转录基因数据,用于治疗显著的途径.
主要成果:
- 在检测TWW诱导的变化方面,metatranscriptomics被证明比meta-barcoding或非目标查更敏感.
- 早期的TWW暴露显著改变了与信号传导和环境相互作用相关的前列体通路.
- 一般的代谢途径表现出弹性,社区表达随着时间的推移而稳定,表明了适应.
结论:
- 反派社区的功能转变是TWW影响的关键指标.
- 超转录组学是检测TWW并评估其生态后果的强大工具.
- 这些研究结果支持针对受废水影响的淡水生态系统制定有针对性的环境管理策略.
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