NRROS and Salmonella Infections: Furthermore, Negative Regulator of Reactive Oxygen Species (referred to as nrros), regulator of reactive oxygen species and of TGF-b in mammals (Liu et al., 2013; Ma et al., 2019; Noubade et al., 2014; Qin et al., 2018), showed kinetic of expression similar to mrc1b during Salmonella infection.