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Gut bacteria for modern people different from ancient ancestors

blog:19807:2::0
By Tim Sandle
Posted Dec 30, 2012 in Science
The bacteria in the gut of modern people differs to that of out ancient ancestors.
A science team analyzed microbiome data from ancient human fecal samples collected from three different archaeological sites in the Americas, each dating to over 1000 years ago. They also did a new analysis of published data from two samples that reflect rare and extraordinary preservation: Otzi the Iceman and a soldier frozen for 93 years on a glacier.
The results support the hypothesis that ancient human gut microbiomes are more similar to those of non-human primates and rural non-western communities than to those of people living a modern lifestyle in the United States.
Citation: Tito RY, Knights D, Metcalf J, Obregon-Tito AJ, Cleeland L, et al. (2012) Insights from Characterizing Extinct Human Gut Microbiomes. PLoS ONE 7(12): e51146

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