基于外源性 siderophores 的 anammox 社区的定向调节,以实现高效的去除
Ziyang Dong1, Mengwen Yu1, Yufei Cai1
1Department of Environmental Engineering, Zhejiang University, Hangzhou, Zhejiang, China.
Water research
|July 26, 2023
概括
向的 siderophores,肠杆菌素和 putrebactin,成功调节了无氧氨氧化 (anammox) 社区. 这显著提高了去除能力,为废水处理提供了一种新的方法.
科学领域:
- 环境微生物学环境微生物学
- 污水处理 污水处理 污水处理
- 生物地质化学循环过程
背景情况:
- 无氧氨氧化 (anammox) 对于废水处理中的去除至关重要.
- 铁的可用性显著影响着anammox细菌的生长和新陈代谢.
- 对anammox社区的有针对性的监管可以提高转化能力.
研究的目的:
- 开发和应用特定的 siderophores 针对性监管的 anammox 社区.
- 调查 siderophores 在铁资源再分配在 anammox 社区中的作用.
- 通过 siderophore 应用来增强 anammox 社区的去除能力.
主要方法:
- 开发了两个特定的 siderophores: enterobactin 为Ca. 布罗卡迪亚和布特雷巴克丁为Ca. 这就是Kuenenia.
- 在反应堆中培养anammox社区,并添加有针对性的 siderophore.
- 对社区结构,去除效率,转录组和蛋白质组的分析.
主要成果:
- 阿纳莫克斯群体成功地向Ca.进化. 布罗卡迪亚占主导地位和卡. 库内尼亚人占主导地位的群体.
- 对于Ca,去除能力增加了高达84.64%. 布罗卡迪亚占主导地位,Ca.占210.26%的比例. 库内尼亚人占主导地位的社区.
- 转录组和蛋白质组分析证实 siderophores 通过重新分配铁来调节 anammox 社区.
结论:
- 外源性 siderophores 可以有效地操纵 anammox 社区,以加强去除.
- 通过 siderophore 介导的铁再分配是有针对性的 anammox 社区监管的一个关键机制.
- 这项研究提供了一种新的策略,可以快速创建高效的去除的anammox社区.
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