How one scientist’s gut microbes changed over a year

Daily sampling allowed Lawrence David to track fluctuations in his microbiome

graph of microbe abundance

MICROBIAL ROLLER COASTER  Computational biologist Lawrence David tracked changes in the friendly bacteria in his mouth and intestines by analyzing daily saliva and fecal samples. The data (close-up above; see full graphs in story) show the ebbs and flows of his microbiome over the course of a year.

All: L.A. David et al/Genome Biology 2014

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