三个年龄组的综合性肠道微生物群组成和微生物相互作用.
Jun Ma1,2, Xiaohua Yang3, Jianwu He3
1School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an, Shaanxi, China.
PloS one
|October 18, 2024
概括
肠道微生物组随着年龄的增长而发生变化,特定细菌减少,真菌/古生物改变. 这些与年龄相关的微生物特征为长寿和肠道健康动态提供了洞察力.
科学领域:
- 微生物学 微生物学
- 老年学是一门学科.
- 生物信息学是一种生物信息学.
背景情况:
- 衰老与肠道微生物组的显著变化有关.
- 了解这些转变对于长寿研究和识别健康标志物至关重要.
- 老化研究中的混因素需要强大的数据再处理.
研究的目的:
- 从多个衰老研究中重新处理元基因组数据,以最大限度地减少批量效应.
- 分析不同年龄段 (年轻人,老年人,百岁老人) 的肠道微生物群的多样性和丰富性.
- 识别与衰老相关的特定微生物特征及其共发生模式.
主要方法:
- 从四项衰老研究中重新处理了元基因组测序数据.
- 评估和最小化混因素和批量效应.
- 使用费舍尔精确测试对肠道微生物群多样性,丰富性和共发生网络的分析.
主要成果:
- 有四种细菌物种 (Ligilactobacillus ruminis,Turicibacter sp. ,Turicibacter sp. ,Ligilactobacillus ruminis,Turicibacter sp. ,Ligilactobacillus ruminis,Turicibacter sp. ,Ligilactobacillus ruminis,Turicibacter sp. ,Turicibacter sp. ,Turicibacter sp. ,Ligilactobacillus ruminis,Turicibacter sp. ,Turicibacter sp. ,Turicibacter sp. ,Turicibacter sp. ,Turicibacter sp. ,Turicibacter sp. ,Turicibacter sp. ,Turicibacter sp. ,Turicibacter sp. ,Turicibacter sp. ,Turicibacter sp. H121, Blautia massiliensis, Anaerostipes hadrus) 的数量随着年龄的增长而减少.
- 随着年龄的增长,古生物的丰富性下降,而百岁老人中的Candida albicans和Shuimuvirus IME207增加.
- 在年轻人,老年人和百岁以上的群体中确定了明显的微生物特征,并选择了代表性物种进行进一步的相互作用分析.
结论:
- 肠道微生物组的组成在人类一生中发生显著变化.
- 特定的微生物种群表明了不同的衰老阶段.
- 这些发现提供了关于肠道微生物群在衰老和长寿期间的生态动态的见解.
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