{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,18]],"date-time":"2026-03-18T09:30:41Z","timestamp":1773826241798,"version":"3.50.1"},"reference-count":37,"publisher":"Oxford University Press (OUP)","issue":"7","license":[{"start":{"date-parts":[[2023,7,4]],"date-time":"2023-07-04T00:00:00Z","timestamp":1688428800000},"content-version":"vor","delay-in-days":3,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2023,7,5]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>Social networks can influence the ecology of gut bacteria, shaping the species composition of the gut microbiome in humans and other animals. Gut commensals evolve and can adapt at a rapid pace when colonizing healthy hosts. Here, we aimed at assessing the impact of host-to-host bacterial transmission on Escherichia coli evolution in the mammalian gut. Using an in vivo experimental evolution approach in mice, we found a transmission rate of 7% (\u00b13% 2\u00d7 standard error [2SE]) of E. coli cells per day between hosts inhabiting the same household. Consistent with the predictions of a simple population genetics model of mutation\u2013selection\u2013migration, the level of shared events resulting from within host evolution is greatly enhanced in cohoused mice, showing that hosts undergoing the same diet and habit are not only expected to have similar microbiome species compositions but also similar microbiome evolutionary dynamics. Furthermore, we estimated the rate of mutation accumulation of E. coli to be 3.0 \u00d7 10\u22123 (\u00b10.8 \u00d7 10\u22123 2SE) mutations\/genome\/generation, irrespective of the social context of the regime. Our results reveal the impact of bacterial migration across hosts in shaping the adaptive evolution of new strains colonizing gut microbiomes.<\/jats:p>","DOI":"10.1093\/molbev\/msad153","type":"journal-article","created":{"date-parts":[[2023,7,3]],"date-time":"2023-07-03T18:55:49Z","timestamp":1688410549000},"source":"Crossref","is-referenced-by-count":8,"title":["Shared Evolutionary Path in Social Microbiomes"],"prefix":"10.1093","volume":"40","author":[{"given":"Nelson","family":"Fraz\u00e3o","sequence":"first","affiliation":[{"name":"Evolutionary Biology Laboratory, Instituto Gulbenkian de Ci\u00eancia , Oeiras , Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1622-5143","authenticated-orcid":false,"given":"Isabel","family":"Gordo","sequence":"additional","affiliation":[{"name":"Evolutionary Biology Laboratory, Instituto Gulbenkian de Ci\u00eancia , Oeiras , Portugal"}]}],"member":"286","published-online":{"date-parts":[[2023,7,4]]},"reference":[{"key":"2023071315263896000_msad153-B1","doi-asserted-by":"crossref","first-page":"8945","DOI":"10.1038\/ncomms9945","article-title":"Adaptive immunity increases the pace and predictability of evolutionary change in commensal gut bacteria","volume":"6","author":"Barroso-Batista","year":"2015","journal-title":"Nat Commun"},{"key":"2023071315263896000_msad153-B2","doi-asserted-by":"crossref","first-page":"1049","DOI":"10.1016\/j.cub.2020.01.050","article-title":"Specific eco-evolutionary contexts in the mouse gut reveal Escherichia coli metabolic versatility","volume":"30","author":"Barroso-Batista","year":"2020","journal-title":"Curr Biol"},{"key":"2023071315263896000_msad153-B3","doi-asserted-by":"crossref","first-page":"e1004182","DOI":"10.1371\/journal.pgen.1004182","article-title":"The first steps of adaptation of Escherichia coli to the gut are dominated by soft 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