Table 1

First-order consumption rate (k1) and corresponding half-life in all biotic conditions tested

Electron donorTemperature = 20 °C
Temperature = 30 °C
K1 (d−1)Half-life (d)K1 (d−1)Half-life (d)
Endogenous 0.09 ± 0.01 7.70 ± 2.64 0.08 ± 0.00 8.66 ± 0.00 
Ethanol 0.09 ± 0.01 7.70 ± 1.93 0.12 ± 0.01 5.78 ± 1.47 
Acetate 0.10 ± 0.01 6.93 ± 0.65 0.06 ± 0.01 11.55 ± 6.16 
Pyruvate 0.25 ± 0.04 2.77 ± 0.02 0.58 ± 0.13 1.20 ± 0.61 
H2 4.23 ± 0.29 0.16 ± 0.04 7.02 ± 1.27 0.10 ± 0.04 
H2 + pyruvate 6.42 ± 0.10 0.11 ± 0.00 11.03 ± 1.22 0.06 ± 0.01 
Electron donorTemperature = 20 °C
Temperature = 30 °C
K1 (d−1)Half-life (d)K1 (d−1)Half-life (d)
Endogenous 0.09 ± 0.01 7.70 ± 2.64 0.08 ± 0.00 8.66 ± 0.00 
Ethanol 0.09 ± 0.01 7.70 ± 1.93 0.12 ± 0.01 5.78 ± 1.47 
Acetate 0.10 ± 0.01 6.93 ± 0.65 0.06 ± 0.01 11.55 ± 6.16 
Pyruvate 0.25 ± 0.04 2.77 ± 0.02 0.58 ± 0.13 1.20 ± 0.61 
H2 4.23 ± 0.29 0.16 ± 0.04 7.02 ± 1.27 0.10 ± 0.04 
H2 + pyruvate 6.42 ± 0.10 0.11 ± 0.00 11.03 ± 1.22 0.06 ± 0.01 

There was no DNAN reduction in the abiotic conditions.

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