通过微生物转化糖来缓解来自畜牧业泥的甲排放的新生物学方法
Herald W Ambrose1,2, Maria F Bambace2, Angeliki Marietou2
1Department of Biological and Chemical Engineering-Environmental Engineering, Aarhus University, Gustav Wieds Vej 10 C, DK-8000 Aarhus, Denmark.
Environmental science & technology
|September 18, 2025
概括
使用Limosilactobacillus reuteri的新型生物处理将糖醇转化为猪泥,显著减少甲 (CH4) 和其他温室气体排放. 这种方法提供了一种环保的方法来减轻农业污染.
科学领域:
- 农业科学 农业科学
- 环境微生物学 环境微生物学
- 生物技术是生物技术.
背景情况:
- 养猪是温室气体 (GHG) 的重要来源,如甲 (CH4) 和污染物,如氨 (NH3).
- 现有的农业排放减排战略往往不足或不友好于环境.
- 畜牧业生产对全球CH4和NH3排放做出了重大贡献,需要创新的解决方案.
研究的目的:
- 开发一种新的生物污泥处理方法,以减少养猪产生的温室气体和污染物排放.
- 调查Limosilactobacillus reuteri在将糖醇转化为reuterin系统的有效性,以便在现场处理泥.
- 评估这种生物处理对甲 (CH4),二氧化碳 (CO2) 和氨 (NH3) 排放的影响.
主要方法:
- 使用Limosilactobacillus reuteri用于猪泥中的糖的生物转化.
- 利用本土的泥微生物群来支持糖转化过程.
- 在in situ reuterin系统生产后,CH4,CO2和NH3排放量的量化减少.
主要成果:
- 来自猪泥的甲 (CH4) 排放量减少了多达95%.
- 证明二氧化碳 (CO2) 和氨 (NH3) 排放量有所减少,因泥类型而异.
- 通过糖生物转化证实了乳腺系统的形成,这是一种广泛的抗菌药物.
结论:
- 由L. reuteri的微生物转化糖是一种有前途的生物污泥处理方法.
- 这种方法有效地减轻了农业环境中的温室气体和污染物形成.
- 该研究强调了一种可持续的战略,以减少养猪业对环境的影响.
相关概念视频
Environmental Applications of Microorganisms
990
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...
990
Biological Methods for Microbial Control
792
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...
792
Bioremediation
22.1K
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.
22.1K
Microbial Fermentation
1.3K
Fermentation is a crucial anaerobic metabolic process that enables microbes to derive energy from sugar without relying on oxygen or an electron transport chain. This process is fundamental to various biological and industrial applications and is classified based on the metabolic products generated.Role of Pyruvate in FermentationPyruvate and its derivatives serve as key electron acceptors in fermentative pathways. The oxidation of NADH to regenerate NAD+ is essential for the continuation of...
1.3K
Lipid Catabolism
862
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...
862
Microorganisms in Agriculture and Food industry
1.4K
Microorganisms play a crucial role in agriculture and the food industry, contributing to soil fertility, crop protection, and food production. Their functions range from nitrogen fixation and biopesticide production to fermentation and food preservation, making them indispensable to sustainable farming and food safety.Role in AgricultureNitrogen-fixing bacteria, such as Rhizobium (symbiotic) and Azotobacter (free-living), convert atmospheric nitrogen into ammonia through biological nitrogen...
1.4K


