Table 1.

L. monocytogenes strains

Strain	Genotype	Reference; source
10403S	Wild-type	Camilli et al. (1993); provided by D. Portnoy*
FSL A1-254	ΔsigB	Wiedmann et al. (1998)
DP-L4137	ΔprfA	Cheng & Portnoy (2003); provided by J. Miller*
DP-L4405	ΔinlA	Bakardjiev et al. (2004); provided by J. Miller
FSL B2-042	ΔinlAΔsigB	This study
HEL-137	ΔinlB	Kim et al. (2004)
FSL K4-008	ΔinlBΔsigB	This study
FSL K4-009	ΔinlAB	This study
FSL K4-010	ΔinlABΔsigB	This study

^*Dr Daniel Portnoy, Department of Molecular & Cell Biology, University of California, Berkeley, CA, USA; Dr Jeffrey Miller, Department of Microbiology, Immunology, & Molecular Genetics, UCLA, Los Angeles, CA, USA.