Abstract:
: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.
journal_name
Nat Communjournal_title
Nature communicationsauthors
Obregon-Tito AJ,Tito RY,Metcalf J,Sankaranarayanan K,Clemente JC,Ursell LK,Zech Xu Z,Van Treuren W,Knight R,Gaffney PM,Spicer P,Lawson P,Marin-Reyes L,Trujillo-Villarroel O,Foster M,Guija-Poma E,Troncoso-Corzo L,Warinnedoi
10.1038/ncomms7505subject
Has Abstractpub_date
2015-03-25 00:00:00pages
6505issn
2041-1723pii
ncomms7505journal_volume
6pub_type
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