通过通过调节生物膜分层和微生物空间相互作用来调节反扩散生物膜中的快捷路径pyridine-N转化来增强挥发性pyridine生物降解的机械洞察力
Peng Zheng1, Yan Li1, Youpeng Cheng1
1Key Laboratory of Environmental Remediation and Ecological Health, Ministry of Industry and Information Technology, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
Bioresource technology
|July 19, 2025
概括
这项研究引入了一种用于处理工业废水的新方法,实现了100%的化物去除和91%的缩. 增强的生物处理利用分层生物膜和微生物合作来有效降解挥发性有机化合物.
科学领域:
- 环境微生物学 环境微生物学
- 废水处理技术 废水处理技术
- 生物修复是一种生物修复.
背景情况:
- 传统的生物废水处理面临着挥发性有机化合物和污染的挑战.
- 和的残留物仍然存在于工业废水中的重要污染物中.
研究的目的:
- 增强工业废水中的化物和的生物降解.
- 研究整合反扩散生物膜与快捷化-脱化 (EPB-SPNT) 的有效性.
- 阐明生物膜分层和微生物空间相互作用在二-N转化中的作用.
主要方法:
- 实施与快捷化-脱技术集成的反扩散生物膜.
- 光在现场杂交和元基因组分析的应用,以研究微生物群落.
- 对关键细菌群体的生物膜分层和空间分布的评估.
主要成果:
- 达到100%的皮里丁的去除效率和91.24±0.75%的总.
- 在有氧生物膜层中确定了有氧降解细菌 (APDB) 和氨氧化细菌 (AOB).
- 观察到在无氧生物膜层中丰富的无氧胺降解-脱细菌 (APD-DB).
- 证明生物膜稳定性与蛋白质二次结构的水友性有关.
结论:
- 通过快捷路径的pyridine-N转化 (EPB-SPNT) 增强的pyridine生物降解在反扩散生物膜中是可行的.
- APDB,AOB和APD-DB之间的空间合作对于EPB-SPNT流程的效率至关重要.
- 调节微生物分层和生物膜内的相互作用,为工业废水处理提供了一个有前途的战略.
相关概念视频
Environmental Applications of Microorganisms
265
Microorganisms play a pivotal role in maintaining ecosystem balance by recycling essential elements such as carbon, nitrogen, and phosphorus, as well as supporting processes like bioremediation, wastewater treatment, and biofuel production.Microbes in Elemental CyclesIn the carbon cycle, microorganisms decompose organic matter, releasing carbon dioxide via aerobic respiration. This carbon dioxide is subsequently used by photosynthetic organisms to synthesize organic compounds, closing the...
265
Bioremediation
20.1K
Bioremediation is the use of prokaryotes, fungi, or plants to remove pollutants from the environment. This process has been used to remove harmful toxins in groundwater as a byproduct of agricultural run-off and also to clean up oil spills.
20.1K
Gene Regulation in Microbial Communities: Quorum Sensing
94
Quorum sensing is a mechanism of bacterial communication that enables coordinated gene expression in response to changes in population density. This facilitates collective behaviors that enhance survival, resource acquisition, and ecological adaptation. This process relies on small signaling molecules called autoinducers that accumulate as bacterial populations grow. When a critical threshold concentration of autoinducers is reached, bacterial cells collectively modify gene expression,...
94
Biofilms
282
Biofilms are complex communities of microorganisms encased in a self-produced extracellular polysaccharide matrix attached to surfaces. These microbial consortia can include single or multiple species, providing enhanced survival benefits by forming organized, multilayered structures.The formation of biofilms occurs through four key stages: attachment, colonization, development, and dispersal.During attachment, free-swimming planktonic cells adhere to a surface, often facilitated by...
282
Drug Biotransformation: Overview
2.9K
Pharmaceutical substances known as xenobiotics are predominantly lipophilic and nonionized. This enables them to permeate lipid bilayers, such as cell membranes, and interact with intracellular target receptors. Lipophilic drugs have an advantage in crossing biological barriers and reaching their intended sites of action. However, lipophilic drugs often have a restricted capacity for renal expulsion or elimination from the body. When these drugs enter the kidneys and undergo glomerular...
2.9K


