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Characterization and comparison of the bacterial microbiota in different gastrointestinal tract compartments of Mongolian horses

文献类型： 外文期刊

作者： Su, Shaofeng 1 ; Zhao, Yiping 1 ; Liu, Zongzheng 3 ; Liu, Guiqin 1 ; Du, Ming 1 ; Wu, Jing 1 ; Bai, Dongyi 1 ; Li, Bei 1 ; B 1 ;

作者机构： 1.Inner Mongolia Agr Univ, Coll Anim Sci,Minist Agr & Rural Affairs, Equine Res Ctr,Sci Observing & Expt Stn Equine Ge, Inner Mongolia Key Lab Equine Genet Breeding & Re, Hohhot, Peoples R China

2.Inner Mongolia Acad Agr & Anim Husb Sci, Biotechnol Res Ctr, Hohhot, Peoples R China

3.Anim Husb & Vet Res Inst Qingdao, Qingdao, Peoples R China

4.Liaocheng Univ, Agr Coll, Liaocheng, Shandong, Peoples R China

关键词： 16S rRNA V3-V4; high-throughput sequencing; intestinal microbiota; microbiome; Mongolian horses

期刊名称：MICROBIOLOGYOPEN （ 影响因子：3.139； 五年影响因子：3.503 ）

ISSN： 2045-8827

年卷期： 2020 年 9 卷 6 期

页码：

收录情况： SCI

摘要： The intestinal microbiota plays an important role in the health and metabolism of the host. Next-generation sequencing technology has enabled the characterization of the gut microbiota of several animal species. We analyzed the intestinal microbiota in six different parts of the gastrointestinal tracts (GITs) of five Mongolian horses by sequencing the 16S rRNA gene V3-V4 hypervariable region. All horses were kept in the natural habitat of the Inner Mongolia grassland. Significant differences were observed among the microbiota compositions of the distinct GIT regions. In addition, while the microbial community structures of the small and large intestine were significantly different, those of the cecum and colon were similar. In the foregut, Firmicutes (65%) and Proteobacteria (23%) were the most abundant, while Firmicutes (45%) and Bacteroidetes (42%) were the most common in the hindgut. At the level of family, Ruminococcaceae (p = .203), Lachnospiraceae (p = .157), Rikenellaceae (p = .122), and Prevotellaceae (p = .068) were predominant in the hindgut, while the relative abundance of theAkkermansiagenus (5.7%,p = .039) was higher in the ventral colon. In terms of the putative functions, the ratio of microbial abundance in the different parts of the GIT was similar, the result can help characterize the gut microbial structure of different animals.

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