TABLE 4.
Transport of [3H]l-rhamnose
| Strain | Relevant genotype | [3H]l-rhamnose transported (nmol/gfw/min)a |
|---|---|---|
| Rlt100 | Wild type | 30.7 ± 1 |
| Rlt100/pMR110 | Wild type rhaK+ | 24.7 ± 6.6 |
| Rlt243 | ΔrhaU | 36.9 ± 6.4 |
| Rlt243/pMR110 | ΔrhaU rhaK+ | 28.3 ± 6.7 |
| Rlt243/pW3C1 | ΔrhaU rha+ | 28.5 ± 4.5 |
| Rlt144 | rhaK | <0.05 |
a
Strains were grown as broth cultures in minimal medium (VMM) supplemented with 15 mM l-rhamnose-glycerol. Initial transport rates were determined using tritiated l-rhamnose. The data are presented as the means ± standard deviations (n = 3). gfw, grams (fresh weight).