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外源化合物细菌提高了综合生物修复系统的营养去除效率:功能性基因和微生物起着关键作用

Yingzhen Wei¹, Ding Shen¹, Regan Nicholaus²

¹School of Marine Sciences, Ningbo University, Ningbo, 315211, China.

Environmental research

|April 4, 2024

概括

将外源化合物细菌 (ECB) 添加到水产养殖废水 (IBSAW) 综合生物修复系统中,显著改善了营养物质的去除. 刷子在酸盐和酸盐的去除方面比陶石更有效,提高了系统的整体性能.

科学领域:

环境科学环境科学
微生物学微生物学
水产养殖工程水产养殖工程

背景情况:

密集的水产养殖需要有效的水产养殖废水处理.
水产养殖废水的综合生物修复系统 (IBSAW) 是有希望的,但需要技术优化.
外源化合物细菌 (ECB) 为增强IBSAW中的营养除去提供了一个潜在的解决方案.

研究的目的:

调查ECB对IBSAW中营养去除效率的影响.
阐明欧洲央行的营养物质去除增强背后的机制.
为了比较不同基板的性能 (刷与陶) 与ECB.

主要方法:

高通量测序和Geochip基因阵列用于细菌社区和基因分析.
(N) 和 (P) 循环基因的量化.
多变量统计,维度缩小和网络分析用于机制探索.

主要成果:

此外,ECB显著降低了营养水平,刷处理在NO3-和PO43-去除方面表现优于陶矿.
陶石在去除NO2 - - N方面表现出优势.
细菌群体的组成和N/P循环基因丰度 (nosZ,nirKS) 由ECB和基质类型显著改变.

结论:

欧洲央行通过改变细菌群体组成来促进脱细菌,从而提高IBSAW中的营养物质去除.
结合ECB和特定基板 (刷) 提高了营养净化效率.
结果为优化IBSAW技术和水产养殖中的废水处理提供了洞察力.

关键词:

生物膜是一种生物膜.外源复合细菌是一种外源复合细菌.功能性基因是一种功能性基因.综合生物修复系统综合生物修复系统和循环中的和循环.

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