Regulator-derived growth and fitness costs of Salmonella SPI-2 expression are environment specific and T3SS independent
Madison R. Spratt, Cece Stumpf, Mia Vigil, Karen Snyder, Keara M. Lane
This study shows that expressing the SPI-2 master regulator ssrB imposes environment-specific growth and fitness costs in Salmonella, independent of the T3SS.
bioRxiv · Apr 11, 2026 · PreprintMicrobiology