Table 3. UV-induced protease activity by mutant and parent strains of P. aeruginosa.
Irradiation period (min) |
Strains |
Protease activity (U/mL)a |
|
PAb MZ2F |
PAb MZ4A |
||
0 |
Wild |
349.26±2.57 |
336.79±0.76 |
5 |
M05 |
342.27±3.17 |
334.27±0.78c |
10 |
M10 |
351.26±1.45 |
338.75±0.65 |
15 |
M15 |
343.26±0.62d |
337.09±2.17 |
20 |
M20 |
346.26±1.74 |
337.44±3.54 |
25 |
M25 |
612.84±2.50e |
339.13±1.16 |
30 |
M30 |
134.26±6.97e |
336.18±1.65 |
aExperiments done in triplicate and data presented as mean±standard deviation; bPA stands for Pseudomonas aeruginosa; c,d,eProtease activity was considered significant at p≤0.05, p≤0.01, and p≤0.005 level, respectively.