Table 1.
Strains and plasmids used in this study
| Strain or plasmid | Relevant genotype | Source or reference |
| Strains | ||
| B. cereus ATCC14579 | laboratory collection | |
| B. cereus Δ plcR | ATCC14579 plcR::Km | [5] |
| B. subtilis 168 | laboratory collection | |
| B. cereus F4430/73 | laboratory collection | |
| B. thuringiensis 407 Cry- | laboratory collection | |
| E. coli ET12567 | (F- dam-13::Tn9 dcm-6 hsdM hsdR recF143 zjj-202::Tn10 galK2 galT22 ara14 pacY1 xyl-5 leuB6 thi-1) | laboratory collection |
| Proteus mirabilis | N. Boemare | |
| Pseudomonas aeruginosa | N. Boemare | |
| Salmonella spp. | N. Boemare | |
| Enterococcus faecalis | P. Serror | |
| Listeria innocua | laboratory collection | |
| Streptococcus agalactiae | P. Serror | |
| Staphylococcus aureus | P. Serror | |
| Plasmids | ||
| pHT304-18'Z | ApR and EmR cloning vehicle; lacZ reporter gene | [38] |
| pHT-Ppep1'Z | 433 bp region upstream from clo start codon inserted between PstI and BamHI sites of pHT304-18'Z | this work |
| pHT-Ppep2'Z | 448 bp region upstream from pep2 start codon inserted between HindIII and BamHI sites of pHT304-18'Z | this work |
| pHT-Ppep3'Z | 480 bp region upstream from pep3 start codon inserted between HindIII and BamHI sites of pHT304-18'Z | this work |
Km, kanamycin; Ap, ampicillin; Em, erythromycin.