地虫介导的微生物定数感应在脱水污泥的化过程中加速有机物质的转化
Jungang Ding1, Tianzhen Guo1, Hui Xia1
1School of Environmental and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China.
Waste management (New York, N.Y.)
|January 6, 2026
概括
虫通过增强微生物的定数感应 (QS) 来加速有机物分解. 这促进了溶解有机物 (DOM) 的转化和性物质的形成.
科学领域:
- 环境科学 环境科学
- 微生物学 微生物学
- 土壤科学 土壤科学
背景情况:
- 虫堆肥 (VC) 使用虫和微生物来降解有机物质 (OM).
- 定数感应 (QS) 调节地-微生物相互作用,可能影响VC期间溶解有机物 (DOM) 转化.
- 在VC中QS和信号分子的作用尚不清楚.
研究的目的:
- 调查介导的微生物QS在VC期间推动微生物群落继承和DOM转换.
- 为了比较带有和没有虫的VC,以阐明虫对QS和DOM动态的影响.
主要方法:
- 带有虫和没有虫的虫堆肥的比较研究.
- 溶解有机物 (DOM) 转化和矿化分析.
- 检测和量化乙同素乳 (AHLs).
- 细菌社区结构和功能的元基因组学分析.
主要成果:
- 与对照组相比,虫堆肥显著加速了DOM降解和矿化.
- 虫促进了类似蛋白质的化合物的转化为类似的物质.
- 土虫的存在通过修改AHL合成和抑制水解,增加了96.14%的短链AHLs.
- 转基因组学揭示了改变的细菌多样性,并丰富了VC中的模块化和决定性过程.
- 发现对AHL敏感的微生物显著影响了物理化学和DOM转化.
结论:
- 在化过程中,地在微生物群落中增强了AHL类型的QS调节.
- 这种增强的QS可以改善微生物的代谢功能,从而加速DOM转化.
- 由驱动的微生物QS是有效的有机物分解和性物质形成的关键因素.
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