After a meal of questionable seafood or a few sips of contaminated water, bad bacteria can send your digestive tract into ...

A new study shows how one kind of bacteria, Vibrio cholerae, triggers painful intestinal contractions by activating the immune system. The research also finds a more general explanation for how the ...

Immune cells (magenta) and cells expressing a reporter of immune stimulation (cyan), imaged in 3D in a live zebrafish larva. The cells are dynamic, and in our experiments we found that their ...