细菌群落和原始和湖稳定农场乳制品废水的病原体指标的差异
Gabriela Illarze1, Amabelia Del Pino2, Pilar Irisarri1
1Laboratorio de Microbiología, Departamento de Biología Vegetal, Facultad de Agronomía, Universidad de la República, Montevideo 12900, Uruguay.
Microorganisms
|February 24, 2024
概括
湖处理稳定农场乳制品废水 (DE),减少污染物和病原体,特别是在夏季. 这种方法改变了细菌群落,提高了土壤回收的环境安全.
科学领域:
- 环境微生物学 环境微生物学
- 农业科学 农业科学
- 废水处理 废水处理
背景情况:
- 农场乳制品废水 (DE) 循环回收到土壤中,可能会造成营养和微生物负载的环境风险.
- 将污水处理与环境保护相平衡,对于可持续农业至关重要.
研究的目的:
- 调查季节性细菌社区动态,多样性,丰度和原始和湖处理的DE中的病原性指标.
- 分析DE细菌形状和物理化学特征之间的相关性.
- 评估湖处理在减轻与DE相关的环境风险方面的有效性.
主要方法:
- 对病原体指标细菌 (大肠杆菌总数,大肠杆菌,肠球菌) 的活力计数的计数.
- 对细菌社区结构和组成进行16S rRNA基因序列分析.
- 对DE样本 (总固体,有机碳,总) 的物理化学分析.
主要成果:
- 湖储存显著减少了固体,有机碳,总和指标细菌,夏季的效率高于冬季.
- 细菌群落在原始和湖处理的DE之间有所不同,湖处理产生了更多样化的社区 (Firmicutes,Proteobacteria,Bacteroidota).
- 样本中占主导地位的属包括Trichococcus,Romboutsia,Corynebacterium和Paeniclostridium,环境变量与微生物差异相关.
结论:
- 湖处理是有效的乳制品废水稳定,显著减少营养和病原体负载.
- 该处理改变了细菌群体的组成,有利于多样性,并可能减少环境风险.
- 季节性变化会影响处理效率,突出显示需要特定环境的管理策略.
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