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'Microbial Pompeii' Found on Ancient Teeth

C. Warinner et al., Nature (2014)

'Microbial Pompeii' Found on Ancient Teeth

By sequencing bacteria on 1000-year-old human teeth, scientists have discovered an ancient microbial world, wonderfully preserved inside their hard plaque. The research published in Nature Genetics is part of a new approach that uses plaque to tease out what our ancestors ate as well as the bacteria that plagued them. Researchers found that then as now, the human mouth carried a number of pathogens in its “microbiome,” including the same bacteria that send you to the dentist today.

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