Correction: The ArcAB two-component regulatory system promotes resistance to reactive oxygen species and systemic infection by Salmonella Typhimurium. por Coral Pardo-Esté, Alejandro A Hidalgo, Camila Aguirre, Ana Inostroza, Alan C Briones, Carolina E Cabezas, Juan Castro-Severyn, Juan A Fuentes, Cecilia M Opazo, Claudia A Riedel, Carolina Otero, Rodrigo Pacheco, Miguel A Valvano, Claudia P Saavedra