Some of the most abundant viruses in our microbiome have now been classified and can be cultured for further study. Research on the bacteria living in the human gut has blossomed in the past decade.

Henry Taylor does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...

FISHMAI copy has bookplate: Smithsonian Institution Libraries, Purchased from the Bruce Collette Endowment for the Fishes Collection.

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