Table 3.
Protease activity of Pseudomonas sp. strain DF41 and derivatives harboring the relA overexpression plasmid pUCPrelA and the rpoS overexpression plasmid pUCP22-rpoS
Strain | Protease activity (U of enzyme/ml)a |
---|---|
DF41(pUCP22) | 0.752 (0.04) |
DF41 relA(pUCP22) | 1.480 (0.01)b |
DF41 relA spoT(pUCP22) | 1.487 (0.02)b |
DF41 relA(pUCPrelA) | 0.882 (0.10)c |
DF41 relA spoT(pUCPrelA) | 0.914 (0.20)c |
DF41 relA(pUCP22-rpoS) | 0.677 (0.10)c |
DF41 relA spoT(pUCP22-rpoS) | 0.735 (0.02)c |
Mean (standard deviation) for five replicates.
Significantly different from the wild type (P < 0.005).
Not significantly different from the wild type.