Prolonged exposure of SM1 strain to toxic pollutants under non growth supporting environment Cell density of test Pseudomonas fluorescensculture
Time (h) O.D550* Time (h) CFU/ml
Cells suspended in normal saline (negative control) 0
24
0.185 ± 0.02
0.180 ± 0.03
0
24
3.67 ± 0.68´108
3.58 ± 0.58´108
Cells suspended in filter sterilized industrial wastewater of Aligarh 0
24
0.195 ± 0.04
0.201 ± 0.01
0
24
3.90 ± 0.43´108
4.00 ± 0.39´108
*O.D. values are given as the statistical mean of the three independent experiments carried out using the tubes in triplicate
Table 6: Tolerance of the test Pseudomonas fl uorescens SM1 strain exposed to the industrial wastewater for a period of 24 hours.