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Unveiling the Biogeography and Potential Functions of the Intestinal Digesta- and Mucosa-Associated Microbiome of Donkeys. | LitMetric

Unveiling the Biogeography and Potential Functions of the Intestinal Digesta- and Mucosa-Associated Microbiome of Donkeys.

Front Microbiol

Institute of Equine Sciences, College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang, China.

Published: December 2020

AI Article Synopsis

  • The study investigates the microbial composition and functions of the donkey's intestines, highlighting the differences between the small and large intestine.
  • Firmicutes and Bacteroidetes are the predominant bacterial groups, with distinct communities: starch-degrading bacteria are more common in the small intestine while fiber-degrading bacteria are abundant in the large intestine.
  • Findings suggest that the small intestine is involved in membrane transport and lipid metabolism, while the large intestine specializes in energy and amino acid metabolism; overall, this research enhances our understanding of donkeys’ gut health and their digestive system evolution.

Article Abstract

The intestinal microbial composition and metabolic functions under normal physiological conditions in the donkey are crucial for health and production performance. However, compared with other animal species, limited information is currently available regarding the intestinal microbiota of donkeys. In the present study, we characterized the biogeography and potential functions of the intestinal digesta- and mucosa-associated microbiota of different segments of the intestine (jejunum, ileum, cecum, and colon) in the donkey, focusing on the differences in the microbial communities between the small and large intestine. Our results show that, Firmicutes and Bacteroidetes dominate in both the digesta- and mucosa-associated microbiota in different intestinal locations of the donkey. Starch-degrading and acid-producing (butyrate and lactate) microbiota, such as and , were more enriched in the small intestine, while the fiber- and mucin-degrading bacteria, such as , were more enriched in the large intestine. Furthermore, metabolic functions in membrane transport and lipid metabolism were more enriched in the small intestine, while functions for energy metabolism, metabolism of cofactors and vitamins, amino acid metabolism were more enriched in the large intestine. In addition, the microbial composition and functions in the digesta-associated microbiota among intestinal locations differed greatly, while the mucosal differences were smaller, suggesting a more stable and consistent role in the different intestinal locations. This study provides us with new information on the microbial differences between the small and large intestines of the donkey and the synergistic effects of the intestinal microbiota with host functions, which may improve our understanding the evolution of the equine digestive system and contribute to the healthy and efficient breeding of donkeys.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7793809PMC
http://dx.doi.org/10.3389/fmicb.2020.596882DOI Listing

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