期刊
HOLOCENE
卷 31, 期 10, 页码 1635-1645出版社
SAGE PUBLICATIONS LTD
DOI: 10.1177/09596836211025975
关键词
domestication; domestication syndrome; host-microbiome interactions; microbiome; transposons; virome
资金
- NIH Center of Biomedical Research Excellence [P20GM121293]
This paper discusses two universal characteristics of domesticated species compared to their wild ancestors, which are increased socialization and phenotypic variability. The gut microbiome plays a role in the social behavior and diet-related changes in domesticated species, while virome incorporation into the host genome influences evolutionary changes. These findings suggest that changes in microbiome during co-habitation with humans are important in the domestication process.
In this paper we discuss two universal characteristics of domesticated species that distinguish them from the wild closely related ancestors - increased socialization and phenotypic variability. Examining evidence accumulated in the literature up to date, we note that the gut microbiome is involved in the increased social behavior of domesticated species through the gut-immune system-brain axis. We further discuss data that point toward clear difference in the microbiome composition between domesticated species and closely related wild ancestors. This difference is related to changes in diet, due to co-habitation with humans, which leads to increase in Bifidobacteria and changes in carbohydrate metabolism. We note that these changes may also influence interaction between microbiome and virome. Virome is linked to the evolutionary changes through incorporation of retro-viruses into the host genome. Together with transposons these mobile genetic elements may also lead to changes in regulatory networks, and increase adaptive potential. Changes in microbiome of animals during co-habitation with humans should be considered as an important event during domestication process.
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