Researchers take a closer look at the genomes of microbial communities in the human mouth

Micrograph showing Rothia cells (light blue) in their native habitat, a bacterial biofilm scraped from the human tongue. Credit: Jessica Mark Welch, Marine Biological Laboratory. Bacteria often show very strong biogeography—some bacteria are abundant in specific locations while absent from others—leading to major questions when applying microbiology to therapeutics or probiotics: how did the bacteria […]