TABLE 3.
Doubling times of P. aeruginosa strains (PAO, PAK, an oprD mutant, and an opdK mutant) grown in BM2 medium plus either arginine or vanillatea
| Carbon source concn (mM) | Doubling time in arginine (min)
|
Doubling time in vanillate (min)
|
||
|---|---|---|---|---|
| PAO | oprD::Tn5 strain | PAK | opdK::Tn5 strain | |
| 0.5 | —b | — | 63 ± 1 | 122 ± 0.5 |
| 1 | 34 ± 5.0 | 40 ± 2.4 | 34 ± 1 | 49 ± 3 |
| 2 | 43 ± 0.6 | 41 ± 3.2 | 40 ± 1.5 | 36 ± 1.7 |
a
Results shown are the means ± standard errors from two independent experiments.
b
Cultures formed clumps and did not grow reproducibly at this concentration.