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The composition and function of the gut microbiota of Francois' langurs () depend on the environment and diet. | LitMetric

The composition and function of the gut microbiota of Francois' langurs () depend on the environment and diet.

Front Microbiol

Guizhou Fanjingshan Observation and Research Station for Forest Ecosystem, Tongren, China.

Published: November 2023

AI Article Synopsis

  • The microbiota plays a crucial role in helping Francois' langurs extract energy and nutrients from their plant-based diets, suggesting it has aided primate adaptation to changing environments.
  • A study used metagenomic sequencing to compare the gut microbiota across different populations of Francois' langurs (disturbed, wild, and captive) and found significant variations in microbial composition and diversity based on environmental and dietary conditions.
  • Key findings revealed that Firmicutes and Bacteroidetes were the most abundant microbes, with Firmicutes dominating in disturbed populations and Bacteroidetes thriving in captive settings, indicating how dietary changes impact gut microbiota functionality related to metabolism.

Article Abstract

The microbiota is essential for the extraction of energy and nutrition from plant-based diets and may have facilitated primate adaptation to new dietary niches in response to rapid environmental shifts. In this study, metagenomic sequencing technology was used to analyze the compositional structure and functional differences of the gut microbial community of Francois' langurs () under different environmental and dietary conditions. The results showed that in terms of the composition of the gut microbial community, there were significant differences among the gut microbiota of Francois' langurs (anthropogenic disturbed populations, wild populations, and captive populations) under different environmental and dietary conditions. The microbial communities with the highest abundance in Francois' langurs were Firmicutes and Bacteroidetes. Firmicutes was the most abundant phylum in anthropogenic disturbed Francois' langurs and the least abundant in captive Francois' langurs. The abundance of Bacteroidetes was highest in captive Francois' langurs. In the analysis and comparison of alpha diversity, the diversity of the gut microbiota of Francois' langurs affected by anthropogenic disturbance was the highest. The significant differences in gut microbiota between Francois' langurs in different environments and different diets were further supported by principal coordinate analysis (PCoA), with the disturbance group having a gut microbiota more similar to the wild group. Kyoto Encyclopedia of Genes and Genomes (KEGG) functional annotation analysis indicated a high abundance of functional genes involved in carbohydrate metabolism, amino acid metabolism, replication and repair, cofactor and vitamin metabolism, and other amino acid metabolism pathways. Additionally, the functional genes involved in carbohydrate metabolism pathways were significantly enriched in the gut microbial community of Francois' langurs that were anthropogenic disturbed and captive. The gut microbiota of the Francois' langurs exhibited potential plasticity for dietary flexibility, and long-term food availability in captive populations leads to changes in gut microbiota composition and function. This study explored the composition and function of the gut microbiota of Francois' langurs and provided a scientific basis for understanding the physiological and health status of Francois' langurs, effectively protecting the population of wild Francois' langurs and reintroducing captive Francois' langurs into the wild.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10687571PMC
http://dx.doi.org/10.3389/fmicb.2023.1269492DOI Listing

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