TABLE 1.
B. subtilis strains used in this study
| Strain | Genotypea | Reference or source |
|---|---|---|
| 168 | trpC2 | This laboratory |
| SF62 | tnrA62::Tn917trpC2 | 45 |
| SF218G | glnA(spc) trpC2 | 168 × pGLN218 |
| SF300 | amtB29::Tn917-lacZtrpC2 | 16 |
| SF300G7 | amtB29::Tn917-lacZ ΔglnA207::spctrpC2 | 16 |
| SF416 | amyE::((amtB-lacZ)416neo) trpC2 | 45 |
| SF416G11 | amyE::((amtB-lacZ)416neo) ΔglnA211::tettrpC2 | SF416 × pGLN211 |
| SF17 | amyE::((glnRA-lacZ)17neo) trpC2 | 45 |
| SF17G11 | amyE::((glnRA-lacZ)17neo) ΔglnA211::tettrpC2 | SF17 × pGLN211 |
| SF17G11T | amyE::((glnRA-lacZ)17neo) ΔglnA211::tettnrA62::Tn917trpC2 | SF17G11 × SF62 |
a
The amtB-glnK operon was formerly called nrgAB. The genotype symbols are described by Biaudet et al. (5).