Table 2. Specific growth rates of isolate T307 at different values of yeast extract, pH and temperature. TSY medium was used for investigation effects of pH and temperature on bacterial growth. |
Variable Factor |
|||||
%Yeast extract in thiosulfate MSM |
µ (h-1) |
pHa |
µ (h-1) |
Temperature (ºC)b |
µ (h-1) |
0 |
0.015 ± 0.001 |
6.0 |
0.120 ± 0.004 |
25 |
0.137 ± 0.004 |
0.05 |
0.096 ± 0.002 |
6.5 |
0.126 ± 0.002 |
30 |
0.138 ± 0.002 |
0.10 |
0.138 ± 0.003 |
7.0 |
0.138 ± 0.001 |
35 |
0.118 ± 0.002 |
0.15 |
0.179 ± 0.002 |
7.5 |
0.133 ± 0.002 |
40 |
0.100 ± 0.009 |
0.20 |
0.234 ± 0.001 |
8.0 |
0.119 ± 0.003 |
|
|
|
|
8.5 |
0.117 ± 0.004 |
|
|
|
|
9.0 |
0.113 ± 0.006 |
|
|
aTemperature
incubation at 30ºC, bInitial pH at 7. |
|