bacteria Archive — Page 3 of 3

Fluorescence microscopy image showing blue circular structures and clustered green and red fluorescent signals against a dark background. Metadata text: “ImageJ=1.44e” and “unit=um.”
May 14, 2012

Intestinal artillery launches anti-bacterial attack

The epithelial cells that line the intestines have a newly discovered mechanism for protecting us against microbes: they fire anti-bacterial “bullets” into the gut.