TABLE 3.

Specific growth and phenol degradation rates and autoaggregation activities of isolates

IsolateSpecific growth ratea (h−1)Specific phenol degradation ratea (g of phenol g [dry weight]−1 h−1)Autoaggregation activityb
Growth in phenolGrowth in YEPG medium
PG-010.185 ± 0.0030.292 ± 0.011
PG-020.095 ± 0.0100.158 ± 0.015++
PG-030.113 ± 0.0040.146 ± 0.007
PG-040.036 ± 0.0030.049 ± 0.005+
PG-050.065 ± 0.0060.089 ± 0.010
PG-060.011 ± 0.0020.014 ± 0.006++
PG-07NGcNDdNDd+
PG-080.009 ± 0.0040.012 ± 0.005++++
PG-090.065 ± 0.0030.083 ± 0.008
PG-100.046 ± 0.0050.059 ± 0.007+
  • a Specific growth rates were calculated for an initial phenol concentration of 250 mg liter−1.

  • b No flocculation activity, −; flocculation activity, +; strong flocculation activity, ++.

  • c NG, no growth.

  • d ND, no data.