LuxS/AI-2 regulates phoP/phoQ by a non-canonical mechanism to enhance acid stress survival in Salmonella Typhimurium. - Singh, Anmol; Nair, Abhilash Vijay; Aroli, Shashanka; Das, Suman; Karmakar, Subhrajit; Rajmani, Raju S.; Mukherjee, Santanu; Varshney, Umesh; Chakravortty, Dipshikha (PLoS Pathogens, 2026)