Microbes colonise all multicellular life, and the gut microbiome has been shown to influence
a range of host physiological and behavioural phenotypes. One of the most intriguing and�…

Highlights•There are reciprocal connections between an animal's social behavior and its
microbiome.•Social behavior can alter microbiome composition by affecting transmission�…

BACKGROUND Increasingly, it is recognized that the microbes resident in the
gastrointestinal tract can influence brain physiology and behavior. Research has shown that�…

Animals harbor an extensive, dynamic microbial ecosystem in their gut. Gut microbiota (GM)
supposedly modulate various host functions including fecundity, metabolism, immunity�…

The relationship between social behaviour and the microbiome is known to be reciprocal.
Research in wild animal populations, particularly in primate social groups, has revealed the�…

The mammalian gut teems with microbes, yet how hosts acquire these symbionts remains
poorly understood. Research in primates suggests that microbes can be picked up via social�…

The gut microbiome is a diverse, host-specific, and symbiotic bacterial environment that is
critical for mammalian survival and exerts a surprising yet powerful influence on brain and�…

Social impairment is one of the major symptoms in multiple psychiatric disorders, including
autism spectrum disorder (ASD). Accumulated studies indicate a crucial role for the gut�…

The expression of a wide range of social and affective behaviors, including aggression and
investigation, as well as anxiety-and depressive-like behaviors, involves interactions among�…

Host-associated microbiomes play an increasingly appreciated role in animal metabolism,
immunity and health. The microbes in turn depend on their host for resources and can be�…