微藻对芳香化合物的生物降解的效率,机制,影响因素和综合技术:一篇综述
1Key Laboratory of Marine Environment and Ecology, Ministry of Education, Ocean University of China, Qingdao, 266100, China; College of Environmental Science and Engineering, Ocean University of China, Qingdao, 266100, China.
Environmental pollution (Barking, Essex : 1987)
|July 25, 2023
概括
微藻为降解有害芳香化合物如BTEX,PAH和提供可持续的解决方案,减轻传统方法带来的环境风险和污染.
科学领域:
- 环境科学 环境科学
- 生物技术是生物技术.
- 生态毒理学 生态毒理学
背景情况:
- 芳香化合物对生态系统和人类健康构成重大威胁.
- 传统的物理和化学修复方法往往导致二次污染和高成本.
- 基于微藻的生物降解为芳香污染物处理提供了一种环保和经济有效的替代方案.
研究的目的:
- 审查微藻对BTEX,PAH和化合物的降解效率.
- 总结特定芳香化合物的降解途径和代谢物.
- 讨论影响退化因素,综合技术和未来的研究需求.
主要方法:
- 关于微藻媒介芳香化合物降解的当前研究的文献综述.
- 对关键化合物的降解途径和代谢物的分析 (p-xylen,,,,,BPA,nonylphenol).
- 讨论影响因素和综合整治技术.
主要成果:
- 微藻对各种芳香污染物具有显著的降解能力.
- 对于几个化合物,已经确定了特定的降解途径和关键代谢物.
- 诸如微藻物种,环境条件和共同代谢等因素影响降解效率.
结论:
- 基于微藻的生物降解是管理芳香污染物的有希望的策略.
- 需要进一步的研究来优化集成技术,并解决大规模应用的局限性.
- 这种方法提供了生态安全和碳捕获的潜力.
相关概念视频
Environmental Applications of Microorganisms
61
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...
61
Lipid Catabolism
59
Triglycerides serve as crucial long-term energy storage molecules in microorganisms, providing a dense source of metabolic energy. Their breakdown is mediated by lipases, which hydrolyze triglycerides into glycerol and free fatty acids. Each of these components follows distinct metabolic pathways, ultimately contributing to ATP synthesis and cellular energy homeostasis.Glycerol MetabolismGlycerol, released from triglyceride hydrolysis, is phosphorylated by glycerol kinase to form...
59
Bioremediation
19.0K
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.
19.0K
Green Algae
50
Green algae, also referred to as chlorophytes, are different from red algae in having the chloroplasts containing chlorophylls a and b, which give them their distinct green hue. However, they lack phycobiliproteins, preventing them from developing the red or blue-green pigmentation seen in red algae. In terms of photosynthetic pigment composition, green algae closely resemble plants and share a close evolutionary relationship with them. Taxonomically Green algae belong to Phylum Chlorophyta in...
50
Amino Acid Catabolism
52
Microorganisms rely on proteins as an essential carbon and energy source, particularly in environments with limited polysaccharides or lipids. However, proteins are too large to cross the plasma membrane unaided, necessitating enzymatic degradation. Microbes secrete extracellular proteases and peptidases that hydrolyze proteins into peptides, which can then be transported across the membrane. Once inside the cell, intracellular proteases degrade these peptides into free amino acids, which...
52
Biological Methods for Microbial Control
64
Biological agents offer an effective means of controlling microbial growth by leveraging natural processes like predation, competition, and the secretion of antimicrobial substances.Predatory bacteria such as Bdellovibrio species target and kill pathogens like Salmonella and E. coli. They are widely used in poultry farms to control infections. Myxococcus species help combat plant-pathogenic fungi. These naturally occurring predators serve as eco-friendly alternatives to chemical pesticides and...
64


