19 Listeria monocytogenes is a foodborne bacterial pathogen and the causative agent of 20 human and animal listeriosis. Among the three major genetic lineages of L. monocytogenes (i.e. 21 LI, LII, and LIII), LI and LII are predominantly associated with foodborne listeriosis outbreaks, 22 whereas LIII is rarely implicated in human infections. In a previous study, we identified a 23 Crp/Fnr famil...