Image of the Day: Everybody Vomits

In a process known as vomocytosis, macrophages swallow pathogens whole only to spew them back out later, unharmed.

The Scientist Staff
Aug 31, 2017

A timelapse video depicting vomocytosis in vitro; a mouse macrophage consumes a fungal cell (Cryptococcus neoformans; green) and releases it, fully intact, before the end of the video.ROBIN MAY, UNIVERSITY OF BIRMINGHAM, U.K., AND SIMON JOHNSTON, UNIVERSITY OF SHEFFIELD, U.K. See A.S. Gilbert et al., “Vomocytosis of live pathogens from macrophages is regulated by the atypical MAP kinase ERK5,” Science Advances3:e1700898, 2017.