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根据碳源适应性,在不同的碳源条件下,分离出一种基于碳源适应性,用于在不同碳源条件下进行生物增强的新型定数灭菌株

Jun Li¹, Yanan Cui¹, Fan Yang¹

¹National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology, Beijing University of Technology, Beijing 100124, China.

Bioresource technology

|December 20, 2025

概括

一种新型细菌菌株,YN06,通过降解定数灭信号和超越活性污泥的碳来源,有效控制污泥积聚. 这种生物增量策略提高了QQ活动和污泥处理效率.

科学领域:

环境微生物学环境微生物学
生物技术是生物技术.
废水处理废水处理

背景情况:

生物增量效率受到环境碳来源的限制.
污泥积累是废水处理中的一个持续的挑战.
质量火 (QQ) 是控制污泥积聚的一种有前途的策略.

研究的目的:

隔离和表征一种具有强烈碳源利用的新型QQ菌株.
研究隔离菌株的QQ机制和碳代谢.
通过生物增量对污泥积聚控制的菌株的有效性进行评估.

主要方法:

基于QQ活性和碳源利用的QQ细菌的隔离.
对N-类同类素乳 (AHLs) 的降解试验.
超高性能液态染色学-质谱学 (UHPLC-MS) 和全基因组测序.
分子对接和13C标记实验.
细菌的固定和实验室级反应堆中的应用.

主要成果:

巴西勒斯种类 (Bacillus sp.) 的存在 YN06有效地降解AHLs,并利用葡萄糖,酸盐和氨酸.
YN06具有乳酶和乙酶途径用于AHL降解,已确定了特定的酶.
与活性污泥相比,YN06显示出优越的碳源竞争力.
固定式YN06通过减少细胞外聚合物物质,有效控制污泥积聚.

结论:

开发了一种基于碳来源利用的选择QQ细菌的新策略.
巴西勒斯种类 (Bacillus sp.) 的存在 YN06是污泥积聚控制中的生物增量的一个有希望的候选物.
了解碳源竞争对于优化生物增量策略至关重要.

关键词:

生物增强是一种生物增强.碳来源竞争碳来源竞争降解途径的降解途径议员数量的灭.污泥填充填充污泥填充填充

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