The health of humans is shaped in part by a body’s gut microbiome. Genome sequences are critical for characterizing microbes and understanding their roles, but only 50 percent of species in the gut microbiome have been sequenced, in part because many species have not yet been cultivated for study. https://newscenter.lbl.gov/2019/03/14/uncovering-uncultivated-microbes-in-the-human-gut/