TABLE 1.

S. mutans strains used in this study

StrainsRelevant genotypeSource or reference
UA159Wild-typeLaboratory stock
JL-ctsRctsR::ΩKanThis study
JL-NPctsRNP-ctsR::ΩKan with S. salivarius urease promoterThis study
JL-clpCclpC::ΩKanThis study
JL-NPclpPclpP::nonpolar KanThis study
JL-clpPclpP::ΩKanThis study