The alternative sigma factor sigmaE controls antioxidant defences required for Salmonella virulence and stationary-phase survival.
Testerman TL, Vazquez-Torres A, Xu Y, Jones-Carson J, Libby SJ, Fang FC. The alternative sigma factor sigmaE controls antioxidant defences required for Salmonella virulence and stationary-phase survival. Mol Microbiol. 2002 Feb; 43(3):771-82.