4.2 Article

A comparison of faecal glucocorticoid metabolite concentration and gut microbiota diversity in bonobos (Pan paniscus)

期刊

MICROBIOLOGY-SGM
卷 168, 期 8, 页码 -

出版社

MICROBIOLOGY SOC
DOI: 10.1099/mic.0.001226

关键词

bonobo; cortisol; faecal glucocorticoid metabolites; microbiota; stress

资金

  1. Leakey Foundation
  2. Northern Kentucky University
  3. National Geographic grant [WW- 099ER- 17]
  4. Global Oregon Award
  5. Northern Kentucky University
  6. University of Oregon Gary Smith Summer Development grant
  7. University of Oregon Department of Anthropology Research grant
  8. University of Oregon Faculty Research Award

向作者/读者索取更多资源

Sex, age, diet, stress, and social environment all influence the gut microbiota. Increased stress is related to decreased gut microbial diversity, and may affect specific taxa differently. This study compared the impact of stress on the gut microbiota in bonobos, and found similarities and differences with gorillas. The family Anaerolinaceae may be differentially affected by stress across great apes.
Sex, age, diet, stress and social environment have all been shown to influence the gut microbiota. In several mammals, includ-ing humans, increased stress is related to decreasing gut microbial diversity and may differentially impact specific taxa. Recent evidence from gorillas shows faecal glucocorticoid metabolite concentration (FGMC) did not significantly explain gut microbial diversity, but it was significantly associated with the abundance of the family Anaerolineaceae. These patterns have yet to be examined in other primates, like bonobos (Pan paniscus). We compared FGMC to 16S rRNA amplicons for 202 bonobo faecal samples collected across 5 months to evaluate the impact of stress, measured with FGMC, on the gut microbiota. Alpha diver-sity measures (Chao's and Shannon's indexes) were not significantly related to FGMC. FGMC explained 0.80 % of the variation in beta diversity for Jensen-Shannon and 1.2% for weighted UniFrac but was not significant for unweighted UniFrac. We found that genus SHD-231, a member of the family Anaerolinaceae had a significant positive relationship with FGMC. These results suggest that bonobos are relatively similar to gorillas in alpha diversity and family Anaerolinaceae responses to FGMC, but different from gorillas in beta diversity. Members of the family Anaerolinaceae may be differentially affected by FGMC across great apes. FGMC appears to be context dependent and may be species-specific for alpha and beta diversity but this study provides an example of consistent change in two African apes. Thus, the relationship between physiological stress and the gut microbiome may be difficult to predict, even among closely related species.

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