野生动物和畜牧界面的微生物交换:洞察草原生态系统中的微生物组成,抗微生物耐药性和毒性因子基因动态
Lea Kauer1, Panagiotis Sapountzis2, Christian Imholt3
1Molecular Zoology, Department of Zoology, TUM School of Life Sciences, Technical University of Munich, Munich, Germany.
Animal microbiome
|August 7, 2025
概括
野生动物和牲畜共享的抗微生物耐药性基因 (ARG) 和毒性因子 (VF) 比预期的要少,环境水库在耐药性传播中发挥着关键作用. 这凸显了生态系统管理的必要性,以减轻健康风险.
科学领域:
- 微生物学 微生物学
- 生态生态学 生态生态学
- 遗传学 是一个遗传学.
背景情况:
- 抗微生物耐药性基因 (ARG) 和毒性因子 (VF) 对动物和人类健康构成风险,特别是在野生动物和牲畜的接口.
- 了解共享生态系统中的微生物交换对于风险评估至关重要.
- 微生物组的组成影响宿主健康和疾病动态.
研究的目的:
- 为了研究共同生活在草原牧场上的牲畜 (牛,绵羊) 和野生动物 (小牛) 的微生物组成,ARG和VF.
- 在宿主物种中比较细菌多样性,抗微生物耐药性和毒性基因配置文件.
- 评估野生动物和牲畜界面的微生物交换和基因转移的程度.
主要方法:
- 来自Bos taurus,Ovis aries和Microtus arvalis的便样本的基因组测序.
- 用于细菌多样性分析的16S rRNA amplicon测序.
- 在宿主物种和环境参数之间对ARG和VF进行比较分析.
主要成果:
- 观察到细菌群体组成的宿主特异性差异,牲畜的多样性更高.
- 病毒性因子的患病率有所不同,牲畜中的免疫调节因子和的运动因子.
- ARG 形状有所不同,有限的共同基因表明直接传播的频率不高,并且具有显著的环境收购,特别是在鸟类中.
结论:
- 野生动物和牲畜之间的ARG和VF的水平基因转移似乎不常见.
- 环境水库在很大程度上影响了微生物群落和抗菌素耐药性的传播.
- 需要加强监测和生态系统管理,以减轻与ARG和VF相关的风险.
相关概念视频
Environmental Applications of Microorganisms
248
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...
248
The Roles of Bacteria and Fungi in Plant Nutrition
41.0K
Plants have the impressive ability to create their own food through photosynthesis. However, plants often require assistance from organisms in the soil to acquire the nutrients they need to function correctly. Both bacteria and fungi have evolved symbiotic relationships with plants that help the species to thrive in a wide variety of environments.
41.0K
Microorganisms in Agriculture and Food industry
378
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...
378
Capillary Exchange
5.7K
The cardiovascular system's chief role is to disseminate gases, nutrients, waste, and other substances to the body's cells. Small molecules like gases, lipids, and lipid-soluble substances directly diffuse through capillary wall endothelial cell membranes. Glucose, amino acids, and ions, including sodium, potassium, calcium, and chloride, use transporters for facilitated diffusion via membrane-specific channels. Glucose, ions, and bigger molecules may also pass through intercellular...
5.7K
What is an Ecosystem?
41.0K
Overview
41.0K


