Populations of Helicobacter pylori (red and green) grow into colonies in the gastric glands of mice.

Researchers have mapped where pathogenic Helicobacter pylori colonies live in the stomachs of mice. The scientists report that a small number of bacteria can start colonies in the gastric glands and then expand to nearby glands.

C. Fung et al., “High-resolution mapping reveals that microniches in the gastric glands control Helicobacter pylori colonization of the stomach,” PLOS Biol, doi:10.1371/journal.pbio.3000231, 2019.

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