TABLE 1.

B. subtilis strains used for this study

StrainaGenotypeOrigin
JH642 trpC2 pheA1 J. Hoch
GHB1Δ(ktrAB::neo)1This study
GHB3(ktrB::neo)1This study
GHB6(ktrC::spc)1This study
GHB12(ktrD::tet)1This study
GHB14(ktrD::tet)1 (ktrC::spc)1This study
GHB15(ktrD::tet)1 (ktrC::spc)1 Δ(ktrAB::neo)1This study
GHB16(ktrB::neo)1 (ktrC::spc)1This study
  • a All mutants are derivatives of strain JH642.