TABLE 3.

Mineralization of [14C]RDX, [14C]HMX, and [14C]TNT by members of the genus Methylobacterium after 20 days of exposurea

Strain14CO2 (%)Biomass (mg liter−1)
[14C]RDX (20 mg liter−1)[14C]HMX (2.5 mg liter−1)[14C]TNT (25 mg liter−1)[14C]RDX (20 mg liter−1)[14C]HMX (2.5 mg liter−1)[14C]TNT (25 mg liter−1)
M. extorquens15.2 ± 2.413.8 ± 1.90.2 ± 0.21.01 ± 0.101.12 ± 0.061.07 ± 0.08
M. organophilum8.4 ± 3.08.1 ± 0.70.4 ± 0.31.23 ± 0.071.19 ± 0.101.13 ± 0.05
M. rhodesianum13.7 ± 3.211.6 ± 2.00.3 ± 0.10.95 ± 0.150.98 ± 0.081.00 ± 0.04
BJ00118.5 ± 1.717.2 ± 2.30.5 ± 0.30.98 ± 0.110.99 ± 0.060.97 ± 0.05
    Control0.1 ± 0.00.6 ± 0.20.2 ± 0.00.02 ± 0.010.02 ± 0.020.03 ± 0.07
  • a Cells were grown on LB medium supplemented with succinate (2.0 g liter−1). Control experiments were carried out with noninoculated flasks. Results are presented as means ± standard deviations.