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Obregon-Tito, Alexandra J; Tito, Raul Y; Metcalf, Jessica; Sankaranarayanan, Krithivasan; Clemente, Jose C; Ursell, Luke K; Zech Xu, Zhenjiang; Van Treuren, Will; Knight, Rob; Gaffney, Patrick M; Spicer, Paul; Lawson, Paul; Marin-Reyes, Luis; Trujillo-Villarroel, Omar; Foster, Morris; Guija-Poma, Emilio; Troncoso-Corzo, Luzmila; Warinner, Christina; Ozga, Andrew T; Lewis, Cecil M
Nature communications, 03/2015, Letnik: 6, Številka: 1Journal Article
Recent studies suggest that gut microbiomes of urban-industrialized societies are different from those of traditional peoples. Here we examine the relationship between lifeways and gut microbiota through taxonomic and functional potential characterization of faecal samples from hunter-gatherer and traditional agriculturalist communities in Peru and an urban-industrialized community from the US. We find that in addition to taxonomic and metabolic differences between urban and traditional lifestyles, hunter-gatherers form a distinct sub-group among traditional peoples. As observed in previous studies, we find that Treponema are characteristic of traditional gut microbiomes. Moreover, through genome reconstruction (2.2-2.5 MB, coverage depth × 26-513) and functional potential characterization, we discover these Treponema are diverse, fall outside of pathogenic clades and are similar to Treponema succinifaciens, a known carbohydrate metabolizer in swine. Gut Treponema are found in non-human primates and all traditional peoples studied to date, suggesting they are symbionts lost in urban-industrialized societies.
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in: SICRIS
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