期刊
BIOLOGY LETTERS
卷 12, 期 1, 页码 -出版社
ROYAL SOC
DOI: 10.1098/rsbl.2015.0875
关键词
hypothalamic-pituitary-adrenal axis; illumina sequencing; microbiome diversity
资金
- University of Guelph
- Natural Sciences and Engineering Research Council (NSERC)
- Laurentian University
- NSERC
Bacterial diversity within animals is emerging as an essential component of health, but it is unknown how stress may influence the microbiome. We quantify a proximate link between the oral microbiome and hypothalamic-pituitary-adrenal (HPA) axis activity using faecal glucocorticoid metabolites (FGM) in wild red squirrels (Tamiasciurus hudsonicus). Not only was bacterial diversity lower at higher levels of FGM, but also between capture periods a change in bacterial relative abundance was related to an increase in FGM. These linkages between the HPA axis and microbiome communities represent a powerful capacity for stress to have multi-dimensional effects on health.
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