Table 1. Plasmids and strains used in this study.

	Source or reference
PLASMIDS
pKSV7 (pUC18 and pBD95 integrated shuttle vector for E. coli and L. monocytogenes carrying a temperature sensitive oriC from pE194)	36
pCR®-XL-TOPO®	Invitrogen™
pEC04 (pCR®-XL-TOPO® containing the ΔrsbV deletion cassette)	This study
pEC06 (pKSV7 containing ΔrsbV DNA deletion cassette)	This study
pBluescriptII-Plmo2230::egfp	Eurofins MWG Operon
pKSV7-Plmo2230::egfp	This study

STRAINS
	Source or reference	Collection number
E. coli DH5α/pKSV7	N. Freitag	COB082
One Shot® TOP10 Electrocomp™ E. coli	Invitrogen™	COB267
E. coli TOP10/pBluescriptII-Plmo2230::egfp	This study	COB515
E. coli TOP10/pKSV7-Plmo2230::egfp	This study	COB516
L. monocytogenes EGD-e	K. Boor	COB261
L. monocytogenes EGD-e ΔsigB	K. Boor	COB262
L. monocytogenes EGD-e/pEC06	This study	COB392
L. monocytogenes EGD-e::pEC06	This study	COB393
L. monocytogenes EGD-e ΔrsbV	This study	COB411
L. monocytogenes EGD-e/pKSV7	This study	COB517
L. monocytogenes EGD-e/pKSV7-Plmo2230::egfp	This study	COB476
L. monocytogenes EGD-e ΔsigB/pKSV7-Plmo2230::egfp	This study	COB477
L. monocytogenes EGD-e ΔrsbV/ pKSV7-Plmo2230::egfp	This study	COB498
L. monocytogenes EGD-e::pKSV7-Plmo2230::egfp	This study	COB491
L. monocytogenes EGD-e ΔsigB::pKSV7-Plmo2230::egfp	This study	COB495
L. monocytogenes EGD-e ΔrsbV::pKSV7-Plmo2230::egfp	This study	COB501