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Differences in the gut microbiota between Cercopithecinae and Colobinae in captivity.

Zongjin Huan^1,2,3, Yongfang Yao¹, Jianqiu Yu³

¹College of Life Science, Sichuan Agricultural University, Ya'an, 625014, P. R. China.

Journal of Microbiology (Seoul, Korea)

|April 9, 2020

Summary

The gut microbiota of captive Old World monkeys differs significantly between Cercopithecinae and Colobinae subfamilies, reflecting dietary adaptations. Colobinae exhibit higher microbial diversity and specific bacterial groups compared to Cercopithecinae.

Keywords:

Cercopithecinae Colobinae gut microbiota highthroughput sequencing

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Area of Science:

Primate Gut Microbiome Research
Comparative Genomics
Animal Health and Conservation

Background:

The gut microbiome is crucial for primate health and disease.
Host phylogeny and diet significantly shape gut microbiota composition.
Old World monkeys (Cercopithecidae) comprise two distinct subfamilies, Cercopithecinae and Colobinae, with differing diets and digestive physiology.

Purpose of the Study:

To investigate gut microbiota differences between captive Cercopithecinae and Colobinae.
To explore the influence of host phylogeny and diet on primate gut microbial communities.
To provide insights for primate management and conservation.

Main Methods:

High-throughput sequencing of gut microbiota from 29 Cercopithecinae and 19 Colobinae individuals.
Comparative analysis of operational taxonomic units (OTUs) to assess diversity and composition.
PICRUSt analysis to predict metagenomes and metabolic pathways.

Main Results:

Significant differences in gut microbial diversity and composition were observed between the two subfamilies.
Gut microbiota clustered strongly by subfamily, with Colobinae showing higher microbial diversity.
Distinct bacterial taxa (e.g., Firmicutes, Bacteroidetes) and predicted metabolic pathways varied significantly between Cercopithecinae and Colobinae.

Conclusions:

Gut microbiota composition in captive Old World monkeys is strongly influenced by subfamily-specific adaptations, likely related to diet.
These findings highlight the importance of understanding gut microbiome variations for primate health, management, and conservation.
The study provides a valuable dataset for future research on primate gut microbiota.