不同度的吉伯雷林对使用微藻-细菌联合体系统的抗生素和营养分离的影响
Pu Cheng1, Zhengfang Wang2, Bei Lu3
1College of Animal Science and Technology, Henan University of Animal Husbandry and Economy, Zhengzhou, PR China.
International journal of phytoremediation
|September 2, 2025
概括
吉伯雷林 (GA) 增强了猪废水处理的藻类-细菌共生. 具有GA的微藻内生菌系统显示出优异的四环素抗生素,总和总的去除.
科学领域:
- 环境微生物学
- 生物技术
- 废水处理
背景情况:
- 猪废水含有四环素抗生素和高营养负载,造成环境风险.
- 藻类与细菌的共生为废水净化提供了一种可持续的方法.
- 植物激素如吉伯雷林 (GA) 可能会调节微生物生长和代谢活动.
研究的目的:
- 研究植物激素吉伯雷林 (GA) 提高不同藻类-细菌共生系统对猪废水的净化性能.
- 为了比较微藻单种植,微藻激活污泥,微藻-Bacillus licheniformis和微藻-内生菌系统的生长,光合作用和净化能力.
主要方法:
- 种植各种藻类和细菌的共生系统.
- 在50毫克L-1度下使用外源性吉伯雷林 (GA).
- 对四环素 (TC),总 (TN) 和总 (TP) 的特定生长率,光合作用活性和去除率的监测.
主要成果:
- 与其他测试系统相比,微藻-内生菌系统表现出优异的生长,光合作用和净化性能.
- 使用50毫克L-1GA的Chlorella vulgaris-endophytic细菌 (S395-2) 系统实现了0. 331±0. 03d-1的特定生长率.
- 对于TC,TN和TP的最大去除率分别为96. 31±2. 73%,86. 37±8. 31%,87. 26±8. 42%,显著优于没有GA的系统.
结论:
- 外源性气体在猪污水处理中显著促进藻类共生的耐药性和生物质积累.
- 由GA增强的微藻-内生细菌共生系统为处理高度营养物质和含有抗生素的废水提供了有效的策略.
- 这项研究为利用气体提高生物废水净化过程的效率奠定了理论基础.
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