TABLE 1 .
E. coli and S. enterica have the same thiamine requirementa
| Strain | Genotype | Growth (avg OD650 ± SD) with thiamine concn of: |
||
|---|---|---|---|---|
| None | 1 nM | 10 nM | ||
| DM95 (S. enterica) | thi-918::MudJ | 0.03 ± 0.01 | 0.32 ± 0.01 | 1.33 ± 0.12 |
| DM14703 (E. coli) | ΔthiCEFSGH::Kan | 0.01 ± 0.01 | 0.29 ± 0.01 | 1.28 ± 0.19 |
a
Thiamine auxotrophs of S. enterica (DM95) and E. coli (DM14703) were grown in minimal medium with the concentrations of thiamine indicated. The results are from three independent cultures after 18 h of growth.