在Akkermansia muciniphila中,与抗生素相关的变化改变了它对宿主代谢健康的影响
Yumin Han1, Teh Min Teng1, Juwon Han1
1Division of Biosystems & Biomedical Sciences, College of Health Sciences, 145 Anam-Ro, Seongbuk-Gu, Seoul, 02841, Korea.
Microbiome
|February 7, 2025
概括
暴露于抗生素,如青素,可以改变有益的肠道微生物,如Akkermansia muciniphila. 这些改变的微生物显示出对抗肥胖的能力降低,可能将抗生素使用与慢性疾病联系起来.
科学领域:
- 微生物组研究的研究.
- 肠道健康 肠道健康
- 抗生素对抗生素的影响
背景情况:
- 改变的肠道微生物群与人类慢性疾病有关.
- 暴露于抗生素,特别是青素,是长期微生物群变化的可疑驱动因素.
- 连接抗生素改变的微生物群与慢性疾病的确切机制尚未完全理解.
研究的目的:
- 为了研究青素暴露对肠道微生物Akkermansia muciniphila的影响.
- 为了识别由抗生素暴露导致的A. muciniphila的遗传变化.
- 评估这些变化对宿主健康的功能影响,特别是减轻肥胖.
主要方法:
- 一个小鼠模型暴露于青素.
- 在Akkermansia muciniphila.中识别遗传变异.
- 使用小鼠模型评估A. muciniphila变体中减肥能力的评估.
主要成果:
- 对于Akkermansia muciniphila的变体而选定的青素暴露.
- 这些变体在TEM型β-乳酸酶或参与纯素生物合成的纯基因中具有突变.
- A. muciniphila 变种在小鼠中表现出减轻宿主肥胖的能力受损.
- 这些变异在人类微生物组中普遍存在.
结论:
- 抗生素可以通过遗传选择损害关键肠道微生物的有益功能,如A. muciniphila.
- 这些抗生素选择的A. muciniphila变体的广泛存在可能有助于全球慢性疾病的负担.
- 需要进一步对人类人口进行研究,以确认这些变种在慢性疾病流行病中的作用.
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