The lmo0501 gene coding for a putative transcription activator protein in Listeria monocytogenes promotes growth under cold, osmotic and acid stress conditions

► The lmo0501 gene promotes L. monocytogenes growth at low incubation temperatures. ► The lmo0501 gene promotes L. monocytogenes growth under osmotic stress. ► The lmo0501 gene promotes L. monocytogenes growth under organic acid stress.