Microbiome and behaviour: Exploring underlying mechanisms
APC Microbiome Ireland
Abstract
Environmental insults alter brain function and behaviour inboth rodents and people. One putative underlying mechanism that has receivedsubstantial attention recently is the gut microbiota, the ecosystem ofsymbiotic microorganisms that populate the intestinal tract, which is known toplay a role in brain health and function via the gut-brain axis. Two keyenvironmental insults known to affect both brain function and behaviour, andthe gut microbiome, are poor diet and psychological stress. While there isstrong evidence for interactions between the microbiome and host physiology inthe context of chronic stress, little is known about the role of the microbiomein the host response to acute stress. Determining the underlying mechanisms bywhich stress may provoke functional changes in the gut and brain is criticalfor developing therapeutics to alleviate adverse consequences of traumaticstress.
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