Global study of 60 cities' microbes finds each has a signature microbial fingerprint

An international consortium has reported the largest-ever global metagenomic study of urban microbiomes, spanning both the air and the surfaces of multiple cities. The international project, which sequenced and analyzed samples collected from public transit systems and hospitals in 60 cities around the world, features comprehensive analysis and annotation for all the microbial species identified—including thousands of viruses and bacteria and two archaea not found in reference databases. The study appears May 26 in the journal Cell.

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