How Salmonella forms evil twins to evade the body's defenses
Thursday, December 8, 2011 - 11:30
in Biology & Nature
To swim or not? The same biological control that determines which capability genetically identical Salmonella will have impacts the virulence of the food pathogen. Swimmers do better in the gut, but non-motile Salmonella avoid triggering killer cells. An unusual protein turns on or off the manufacture of swimming apparatus in each new bacterium.