Seasonal variations in the gut microbiota of white-headed black langur (Trachypithecus leucocephalus) in a limestone forest in Southwest Guangxi, China

Chen, Yanqiong; Lai, Ying; Zheng, Jingjin; Liu, Zheng; Nong, Dengpan; Liang, Jipeng; Li, Youbang; Huang, Zhongdong

doi:10.3389/fevo.2023.1126243

Cited by 3 publications

(2 citation statements)

References 89 publications

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“…Furthermore, considering that the gut microbiota also changes with diet in primates [e.g. 60, 62, 73,74], there remains a need to compare the dietary patterns and gut microbiota of the individuals in a real-time manner, which we could not demonstrate in the current study, which was a limitation.…”

Section: Discussionmentioning

confidence: 79%

Gut microbial community in proboscis monkeys (Nasalis larvatus): implications for effects of geographical and social factors

Jose

Lee

Hanya

et al. 2023

Preprint

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Recent technological advances have enabled comprehensive analyses of the previously uncharacterized microbial community in the gastrointestinal tracts of numerous animal species; however, the gut microbiota of several species, such as the endangered proboscis monkey (Nasalis larvatus) examined in this study, remains poorly understood. Our study sought to establish the first baseline data on the gut microbiota of free-ranging foregut-fermenting proboscis monkeys and to determine how their microbiota are affected locally by environmental (e.g., geographical distance) and social (e.g., group size) factors in proboscis monkeys living in a riparian forest in Sabah, Malaysian Borneo. Using 16S ribosomal RNA gene sequencing of feces collected from more than 300 free-ranging proboscis monkeys, we demonstrated that they were dominated by Firmicutes and Bacteroidetes at the phylum level, with Ruminococcaceae and Lachnospiraceae being the most abundant families and Oscillospira and Ruminococcus being the dominant genera; this trend suggests that the microbial community composition of proboscis monkeys is not particularly distinctive compared to other foregut and hindgut fermenting primates. The microbial alpha diversity was higher in larger groups and individuals inhabiting diverse vegetation (i.e., presumed to have a diverse diet). For microbial beta diversity, some measures were significant, showing higher values with larger geographical distances between samples. These results suggest that social factors such as increased interindividual interactions, which can occur with larger groups, as well as physical distances between individuals or differences in dietary patterns, may affect the gut microbial communities of proboscis monkeys.

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Section: Discussionmentioning

confidence: 79%

Gut microbial community in proboscis monkeys (Nasalis larvatus): implications for effects of geographical and social factors

Jose

Lee

Hanya

et al. 2023

Preprint

View full text Add to dashboard Cite

show abstract

“…Furthermore, considering that the gut microbiota also changes with diet in primates (e.g. [ 60 , 62 , 73 , 74 ]), there remains a need to compare the dietary patterns and gut microbiota of the individuals in a real-time manner, which we could not demonstrate in the current study, which was a limitation. When analysing gut microbiota from faeces, only a portion of the faeces is used for that analysis, and therefore many other portions are discarded without being used.…”

Section: Discussionmentioning

confidence: 84%

Gut microbial community in proboscis monkeys ( Nasalis larvatus ): implications for effects of geographical and social factors

Jose,

Lee,

Hanya

et al. 2024

R. Soc. Open Sci.

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Recent technological advances have enabled comprehensive analyses of the previously uncharacterized microbial community in the gastrointestinal tracts of numerous animal species; however, the gut microbiota of several species, such as the endangered proboscis monkey ( Nasalis larvatus ) examined in this study, remains poorly understood. Our study sought to establish the first comprehensive data on the gut microbiota of free-ranging foregut-fermenting proboscis monkeys and to determine how their microbiota are affected locally by environmental factors, i.e. geographical distance, and social factors, i.e. the number of adult females within harem groups and the number of adults and subadults within non-harem groups, in a riverine forest in Sabah, Malaysian Borneo. Using 16S rRNA gene sequencing of 264 faecal samples collected from free-ranging proboscis monkeys, we demonstrated the trend that their microbial community composition is not particularly distinctive compared with other foregut- and hindgut-fermenting primates. The microbial alpha diversity was higher in larger groups and individuals inhabiting diverse vegetation (i.e. presumed to have a diverse diet). For microbial beta diversity, some measures were significant, showing higher values with larger geographical distances between samples. These results suggest that social factors such as increased inter-individual interactions, which can occur with larger groups, as well as physical distances between individuals or differences in dietary patterns, may affect the gut microbial communities.

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Seasonal variations in composition and function of gut microbiota in grazing yaks: Implications for adaptation to dietary shift on the Qinghai‐Tibet plateau

Wang,

Guo,

Zhang

et al. 2024

Ecology and Evolution

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Gut microbiome of animals is affected by external environmental factors and can assist them in adapting to changing environments effectively. Consequently, elucidating the gut microbes of animals under different environmental conditions can provide a comprehensive understanding of the mechanisms of their adaptations to environmental change, with a particular focus on animals in extreme environments. In this study, we compared the structural and functional differences of the gut microbiome of grazing yaks between the summer and winter seasons through metagenomic sequencing and bioinformatics analysis. The results indicated that the composition and function of microbes changed significantly. The study demonstrated an increase in the relative abundance of Actinobacteria and a higher ratio of Firmicutes to Bacteroidetes (F/B) in winter, this process facilitated the adaptation of yaks to the consumption of low‐nutrient forages in the winter. Furthermore, the network structure exhibited greater complexity in the winter. Forage nutrition exhibited a significant seasonal variation, with a notable impact on the gut microbiota. The metagenomic analysis revealed an increase in the abundance of enzymes related to amino acid metabolism, axillary activity, and mucin degradation in the winter. In conclusion, this study demonstrated that the gut microbiome of grazing yaks exhibits several adaptive characteristics that facilitate better nutrient accessibility and acid the host in acclimating to the harsh winter conditions. Furthermore, our study offers novel insights into the mechanisms of highland animal adaptation to external environments from the perspective of the gut microbiome.

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Seasonal variations in the gut microbiota of white-headed black langur (Trachypithecus leucocephalus) in a limestone forest in Southwest Guangxi, China

Cited by 3 publications

References 89 publications

Gut microbial community in proboscis monkeys (Nasalis larvatus): implications for effects of geographical and social factors

Gut microbial community in proboscis monkeys (Nasalis larvatus): implications for effects of geographical and social factors

Gut microbial community in proboscis monkeys ( Nasalis larvatus ): implications for effects of geographical and social factors

Seasonal variations in composition and function of gut microbiota in grazing yaks: Implications for adaptation to dietary shift on the Qinghai‐Tibet plateau

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