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The social microbiome: gut microbiome diversity and abundance are negatively associated with sociality in a wild mammal

The gut microbiome has a well-documented relationship with host fitness. Greater microbial diversity and abundance of specific microbes have been associated with improved fitness outcomes. Intestinal microbes also may be associated with patterns of social behaviour. However, these associations have...

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Autores principales: Pfau, Madison, Degregori, Sam, Johnson, Gina, Tennenbaum, Stavi R., Barber, Paul H., Philson, Conner S., Blumstein, Daniel T.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: The Royal Society 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10565414/
https://www.ncbi.nlm.nih.gov/pubmed/37830026
http://dx.doi.org/10.1098/rsos.231305
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author Pfau, Madison
Degregori, Sam
Johnson, Gina
Tennenbaum, Stavi R.
Barber, Paul H.
Philson, Conner S.
Blumstein, Daniel T.
author_facet Pfau, Madison
Degregori, Sam
Johnson, Gina
Tennenbaum, Stavi R.
Barber, Paul H.
Philson, Conner S.
Blumstein, Daniel T.
author_sort Pfau, Madison
collection PubMed
description The gut microbiome has a well-documented relationship with host fitness. Greater microbial diversity and abundance of specific microbes have been associated with improved fitness outcomes. Intestinal microbes also may be associated with patterns of social behaviour. However, these associations have been largely studied in captive animal models; we know less about microbiome composition as a potential driver of individual social behaviour and position in the wild. We used linear mixed models to quantify the relationship between fecal microbial composition, diversity and social network traits in a wild population of yellow-bellied marmots (Marmota flaviventer). We focused our analyses on microbes previously linked to sociability and neurobehavioural alterations in captive rodents, primates and humans. Using 5 years of data, we found microbial diversity (Shannon–Wiener and Faith's phylogenetic diversity) has a modest yet statistically significant negative relationship with the number of social interactions an individual engaged in. We also found a negative relationship between Streptococcus spp. relative abundance and two social network measures (clustering coefficient and embeddedness) that quantify an individual's position relative to others in their social group. These findings highlight a potentially consequential relationship between microbial composition and social behaviour in a wild social mammal.
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spelling pubmed-105654142023-10-12 The social microbiome: gut microbiome diversity and abundance are negatively associated with sociality in a wild mammal Pfau, Madison Degregori, Sam Johnson, Gina Tennenbaum, Stavi R. Barber, Paul H. Philson, Conner S. Blumstein, Daniel T. R Soc Open Sci Organismal and Evolutionary Biology The gut microbiome has a well-documented relationship with host fitness. Greater microbial diversity and abundance of specific microbes have been associated with improved fitness outcomes. Intestinal microbes also may be associated with patterns of social behaviour. However, these associations have been largely studied in captive animal models; we know less about microbiome composition as a potential driver of individual social behaviour and position in the wild. We used linear mixed models to quantify the relationship between fecal microbial composition, diversity and social network traits in a wild population of yellow-bellied marmots (Marmota flaviventer). We focused our analyses on microbes previously linked to sociability and neurobehavioural alterations in captive rodents, primates and humans. Using 5 years of data, we found microbial diversity (Shannon–Wiener and Faith's phylogenetic diversity) has a modest yet statistically significant negative relationship with the number of social interactions an individual engaged in. We also found a negative relationship between Streptococcus spp. relative abundance and two social network measures (clustering coefficient and embeddedness) that quantify an individual's position relative to others in their social group. These findings highlight a potentially consequential relationship between microbial composition and social behaviour in a wild social mammal. The Royal Society 2023-10-11 /pmc/articles/PMC10565414/ /pubmed/37830026 http://dx.doi.org/10.1098/rsos.231305 Text en © 2023 The Authors. https://creativecommons.org/licenses/by/4.0/Published by the Royal Society under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) , which permits unrestricted use, provided the original author and source are credited.
spellingShingle Organismal and Evolutionary Biology
Pfau, Madison
Degregori, Sam
Johnson, Gina
Tennenbaum, Stavi R.
Barber, Paul H.
Philson, Conner S.
Blumstein, Daniel T.
The social microbiome: gut microbiome diversity and abundance are negatively associated with sociality in a wild mammal
title The social microbiome: gut microbiome diversity and abundance are negatively associated with sociality in a wild mammal
title_full The social microbiome: gut microbiome diversity and abundance are negatively associated with sociality in a wild mammal
title_fullStr The social microbiome: gut microbiome diversity and abundance are negatively associated with sociality in a wild mammal
title_full_unstemmed The social microbiome: gut microbiome diversity and abundance are negatively associated with sociality in a wild mammal
title_short The social microbiome: gut microbiome diversity and abundance are negatively associated with sociality in a wild mammal
title_sort social microbiome: gut microbiome diversity and abundance are negatively associated with sociality in a wild mammal
topic Organismal and Evolutionary Biology
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10565414/
https://www.ncbi.nlm.nih.gov/pubmed/37830026
http://dx.doi.org/10.1098/rsos.231305
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