Diversity and functional prediction of fungal communities in different segments of mongolian horse gastrointestinal tracts
文献类型： 外文期刊
作者： Zhao, Yiping 1 ; Ren, Xiujuan 1 ; Wu, Haiqing 2 ; Hu, He 2 ; Cheng, Chao 3 ; Du, Ming 1 ; Huang, Yao 4 ; Zhao, Xiaoqing 2 ; Wang, Liwei 2 ; Yi, Liuxi 1 ; Tao, Jinshan 1 ; Li, Yajing 1 ; Lin, Yanan 1 ; Su, Shaofeng 1 ; Dugarjaviin, Manglai 1 ;
作者机构： 1.Inner Mongolia Agr Univ, Coll Anim Sci, Equine Res Ctr, Inner Mongolia Key Lab Equine Genet Breeding & Rep, Hohhot 010018, Peoples R China
2.Inner Mongolia Acad Agr & Anim Husb Sci, Biotechnol Res Ctr, Hohhot 010031, Peoples R China
3.Jining Normal Univ, Coll Life Sci & Technol, Ulanqab 012000, Peoples R China
4.Baotou Light Ind Vocat Tech Coll, Educ Dept, Baotou, Peoples R China
关键词： Fungi; ITS1; High-throughput sequencing; Intestinal microflora; Mongolian horses
期刊名称：BMC MICROBIOLOGY （ 影响因子：4.2； 五年影响因子：4.7 ）
ISSN： 1471-2180
年卷期： 2023 年 23 卷 1 期
页码：
收录情况： SCI
摘要： BackgroundAnaerobic fungi are effective fibre-degrading microorganisms in the digestive tract of horses. However, our understanding of their diversity and community structure is limited, especially in different parts of the gastrointestinal tract.ResultsFor the first time, high-throughput sequencing technology was used to analyse and predict fungal microbial diversity in different parts of the gastrointestinal tract of Mongolian horses. The results revealed that the richness and diversity of fungi in the hindgut of Mongolian horses were much higher than those in the foregut. The foregut was dominated by Basidiomycota and Ascomycota, whereas the hindgut was dominated by Neocallimastigomycota and Basidiomycota. At the genus level, the relative abundance of many pathogenic fungi (Cryptococcus, Cladosporium, Alternaria, and Sarocladium) in the foregut was significantly higher than that in the posterior gut, indicating that Mongolian horses have strong disease resistance. The prediction of fungal function also showed significant differences in the fungal flora between the foregut and the hindgut. The fungi in Mongolian horses' foreguts were mainly pathologically nutritive and contained many animal and plant pathogens, particularly in the small intestine (jejunum and ileum). This indicates that the foregut may be the most important immune site in the digestive system of Mongolian horses, which explains the high disease resistance of Mongolian horses. The number of unassigned functional groups in the posterior gut was significantly higher than that in the anterior gut, indicating that the functions of fungal groups in the posterior gut have not been fully explored, and further studies are required in the future.ConclusionsAnalysis of high-throughput sequencing results revealed that the fungal composition varied greatly among different gastrointestinal tract segments in Mongolian horses, whose hindgut contains many anaerobic fungi involved in plant cellulose degradation. This provides important basic data for studying fungal diversity in the digestive system of healthy horses, which can be used for the health assessment of horses and provides clues for further research on the disease resistance and digestive capacity of horses, as well as a reference for the early diagnosis of intestinal diseases and innovative treatment methods.
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