Table 1:

Strain and plasmids used in this study.

Strains	Description	Source or reference
Streptococcus mutans
UA159	genomic type strain	Murchison et al. (1986), Ajdic et al. (2002)
JL13	spxA2 mutant strain	Kajfasz et al. (2009)
UR222	UA159 carrying fabT-cat construct	Faustoferri et al. (2015)
UR309	JL13 carrying fabT-cat construct	This study
UR211	UA159 carrying fabM-cat construct	Faustoferri et al. (2015)
UR312	JL13 carrying fabM-cat construct	This study
ΔliaR	liaR deletion strain, ΔSMU.487	Quivey et al., 2015
UA159 (pJLspxA2)	UA159 carrying spxA2-cat construct	Rivera-Ramos (2015) and gift from Lemos Lab
UR378	liaR carrying spxA2-cat construct	This study
Plasmids	Description	Source or reference
pJLmarR	fabT (SMU.1745c) promoter-cat construct	Faustoferri et al. (2015)
pJLfabM	fabM (SMU.1746c) promoter-cat construct	Faustoferri et al. (2015)
pJLspxA2	spxA2 (SMU.2084c) promoter-cat construct	Rivera-Ramos (2015) and gift from Lemos Lab