Western and non-western gut microbiomes reveal new roles of Prevotella in carbohydrate metabolism and mouth-gut axis.

Western and non-western gut microbiomes reveal new roles of Prevotella in carbohydrate metabolism and mouth-gut axis.
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西方和非西方肠道微生物群揭示了普氏杆菌在碳水化合物代谢和口腔-肠轴中的新作用。

DOI:
10.1038/s41522-021-00248-x
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发表时间:
2021-10-07
影响因子:
9.2
通讯作者:
Sharma VK
Sharma VK
中科院分区:
生物学1区
文献类型:
--
作者:
Prasoodanan P K V;Sharma AK;Mahajan S;Dhakan DB;Maji A;Scaria J;Sharma VK

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与寄主相关的普氏杆菌物种的丰富性和多样性对人类健康有着深远的影响。为了研究普氏杆菌在人类肠道中的组成、多样性和功能作用,对来自西方和非西方人群的586份健康样本进行了全人群分析,其中包括由200份样本组成的最大的印度队列,以及来自西方人群的189份炎症性肠病样本。在印度和非西方种群中发现富含复杂植物多糖代谢酶,特别是普鲁兰酶的普鲁兰酶(PUL)的普氏杆菌物种丰富度和多样性较高。与口腔炎症相关的普雷沃特氏菌种类的高度多样性,以及西方人群肠道微生物群中毒力因子和抗生素耐药基因的丰富,推测存在口腔-肠道轴。这项研究揭示了普雷沃泰尔菌在人体肠道微生物群中的分布及其对西方和非西方人口健康的影响。
The abundance and diversity of host-associated Prevotella species have a profound impact on human health. To investigate the composition, diversity, and functional roles of Prevotella in the human gut, a population-wide analysis was carried out on 586 healthy samples from western and non-western populations including the largest Indian cohort comprising of 200 samples, and 189 Inflammatory Bowel Disease samples from western populations. A higher abundance and diversity of Prevotella copri species enriched in complex plant polysaccharides metabolizing enzymes, particularly pullulanase containing polysaccharide-utilization-loci (PUL), were found in Indian and non-western populations. A higher diversity of oral inflammations-associated Prevotella species and an enrichment of virulence factors and antibiotic resistance genes in the gut microbiome of western populations speculates an existence of a mouth-gut axis. The study revealed the landscape of Prevotella composition in the human gut microbiome and its impact on health in western and non-western populations.
使用通用的unifrac距离将微生物组组成与环境协变量相关联。
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