TABLE 1.

Bacterial strains used in this study

StrainRelevant characteristicsReference(s)
S. mutans 25175WT, EmsATCC
S. mutans GS-5WT, Ems16
JM03ΔluxS Emr in 25175 backgroundThis work
JM01ΔluxS Emr in GS-5 backgroundThis work
E. coli DH5αsupE44 ΔlacU169 (φ80lacZΔM15)hsdR17 recA1 endA1 gyrA96 thi-1 relA1 ΔluxS17, 39
E. coli XL1 BluerecA1 endA1 gyrA96 thi-1 hsdR17 supE44 relA1 lac [F′ proAB lacIq ZDM15 Tn10(Tetr)]3