Behavioural Brain Research 345 (2018) 39–48 Contents lists available at ScienceDirect Behavioural Brain Research journal homepage: www.elsevier.com/locate/bbr Research report Acute and repeated exposure to social stress reduces gut microbiota diversity in Syrian hamsters a, a,b a a Katherine A. Partrick , Benoit Chassaing , Linda Q. Beach , Katharine E. McCann , b a Andrew T. Gewirtz , Kim L. Huhman Neuroscience Institute, Georgia State University, GA, 30303 USA Center for Inﬂammation, Immunity & Infection, Institute for Biomedical Sciences, Georgia State University, GA, 30303 USA ARTICLE I NFO Keywords: Social defeat Agonistic behavior Gut-brain axis Social behavior Beta diversity Alpha diversity Lactobacillus Firmicutes/Bacteroidetes ratio 1. Introduction development or adulthood changes both stress-related behavior and responsivity of the stress axis [19–22]. Mood and anxiety disorders are strongly associated with somatic Many neuropsychiatric disorders and symptoms that are associated symptoms such as gastrointestinal distress [1,2], and a high co-mor- with gastrointestinal dysfunction are also caused or exacerbated by bidity exists between stress-related neuropsychiatric symptoms and exposure to stress [23–25], and stress has been associated with sig- gastrointestinal disorders such as irritable bowel syndrome [3–5]). One niﬁcant alterations in the gut microbial community in mammals, in- possibility is that stress impacts brain
Behavioural Brain Research – Elsevier
Published: Jun 1, 2018
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