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Invisible Residents: You and your 100 trillion bacteria

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If you have a question about this talk, please contact Sven Friedemann.

The average human body contains some ten trillion cells, yet carries over ten times this many microbes in the gut, mouth, and on the surface of the skin – making all of us, remarkably, composite organisms that are only 10% “human”. The talk will be on the results and analysis of the work carried out in our lab on the Human Microbiome Project, one of the most ambitious surveys of bacteria living and evolving in the human body and how this has allowed us to look at niche specialization among microbes resident at different body sites (there’s a lot), functional variation among different human hosts (not nearly as much), the influences of host diet and environment over time (ongoing) and finally the impact of this analysis on human health.

This talk is part of the Darwin College Science Seminars series.

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