将猪转化为生物炭可以减轻植物内生菌的抗生素耐药性
1State Key Laboratory of Regional and Urban Ecology, Ningbo Observation and Research Station, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen, 361021, China; Zhejiang Key Laboratory of Urban Environmental Processes and Pollution Control, CAS Haixi Industrial Technology Innovation Center in Beilun, Ningbo, 315830, China.
Environmental pollution (Barking, Essex : 1987)
|June 3, 2025
概括
来自肥料的生物炭有效地减少了植物内细胞中的抗生素耐药性基因 (ARG) 和移动遗传元素. 这一发现对于通过限制ARG从动物废物传播到植物来提高食品安全至关重要.
科学领域:
- 环境科学 环境科学
- 微生物学 微生物学
- 农业科学 农业科学
背景情况:
- 肥料应用可以将抗生素耐药性基因 (ARG) 传递给植物,通过食物链对人类健康构成风险.
- 堆肥衍生生物炭已经显示出在缓解ARG在土壤中的传播方面具有潜力.
- 生物炭对植物内气层内的ARG的影响在很大程度上仍未得到研究.
研究的目的:
- 研究由堆肥衍生的生物炭在减少帕科伊 (Brassica chinensis) 内层中的ARG和移动遗传元素 (MGE) 的有效性.
- 评估生物炭对内性微生物群的影响及其与ARG配置文件的关系.
主要方法:
- 使用pakchoi进行了一项使用堆肥衍生生物炭和堆肥修正案的实验.
- 使用高通量PCR来量化99个ARG和7个MGE在植物内菌中.
- 分析了细菌群体的组成及其与ARG概况的相关性.
主要成果:
- 与堆肥相比,生物炭的应用显著降低了蔬菜内生植物中的ARG和MGE的多样性和丰度.
- 与堆肥相比,用生物炭处理的根部显示了较低的ARG,MGE和潜在病原体水平,类似于对照组.
- 肥料处理影响了细菌群体的聚集,这反过来又影响了ARG概况.
结论:
- 堆肥衍生生物炭是一种有效的干预措施,以减轻ARG从动物废物传播到植物内层的传播.
- 生物炭的应用可以通过减少它们在食用植物中的存在来降低ARG进入食物链的风险.
- 该研究强调了内菌微生物群在ARG动态中的作用,以及生物炭作为食品安全的可持续农业实践的潜力.
相关概念视频
01:30Environmental Applications of Microorganisms
302
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...
302
01:28Biological Methods for Microbial Control
219
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...
219
01:27Microorganisms in Agriculture and Food industry
420
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...
420