TABLE 1.
Strains of B. subtilis used in this study
| Strain | Genotypea | Phenotype | Source |
|---|---|---|---|
| CYBS400 | Wild type | Control; prototroph | Our stock |
| CYBS318 | CYBS400 Δ(rtpA-ycbK)::Spr | No AT, no YcbK | 29 |
| CYBS223 | CYBS400 mtrBΩTcr | Phenylalanine bradytroph, no TRAP | 24 |
| CYBS542 | CYBS400 amyE::[P-ΔLR(ΔT) Δ(S/D and AUG for rtpLP-ΔrtpLP ycbK′-′lacZ] Cmr | Phenylalanine bradytroph, overproduction of AT, no YcbK | 8 |
| BS166 trpE26 | trpE26 | Tryptophan auxotroph | 7 |
| BS166 trpE26 ΔmtrB | BS166 trpE26 mtrBΩTcr | Tryptophan auxotroph, no TRAP | This work |
a
S/D, Shine-Dalgarno sequence; AUG, start codon.