Table 1.

Degradation of single PAHs byNeptunomonas strains

PAH% recoverya
Strain NAG-2N-113Strain NAG-2N-126
Napththalene 0b  0b
1-Methylnaphthalene34 ± 220 ± 4
2-Methylnaphthalene12 ± 7b 1 ± 1b
2,6-Dimethylnaphthalene0107 ± 37
Biphenyl91 ± 1489 ± 7
Acenaphthene102 ± 692 ± 5
Phenanthrene 0b 92 ± 17
Fluorene80 ± 1990 ± 8
  • a Percentage of the PAH remaining after 7 days (mean ± standard deviation; n = 3). The levels of PAH recovery from control tubes containing no bacteria were 85 to 100%.

  • b PAH used as a sole carbon and energy source.