TABLE 1

Final dechlorination products and growth of strain DCMB5 when cultivated on different chlorinated benzenes

Electron acceptorConcn of final dechlorination product (μM)aIncrease in cell no.b
1,3,5-TCB1,2,4-TCB1,4-DCB1,3-DCB
1,2,3-TCB55.8 ± 4.90.7 × 107
1,2,3,5-TeCB28.5 ± 3.90.1 × 107
1,2,3,4-TeCB41.5 ± 6.61.1 ± 0.10.5 × 107
1,2,4,5-TeCB67.7 ± 11.013.6 ± 2.40.3 × 107
PeCB21.3 ± 1.829.1 ± 0.52.3 ± 0.41.2 × 107
HCB14.7 ± 2.022.3 ± 3.83.5 ± 0.51.0 × 107
  • a Values are means and SD for duplicate samples, determined after 27 days of incubation.

  • b Difference in cell numbers obtained at the beginning and after 27 days.