Table 2.
Growth of strain PD630 with model inhibitory compounds.
| Model inhibitory compound | Time for complete degradationa (days) | Time to reach maximum OD600b (days) | Maximum OD600 observed | Metabolite detected | |
|---|---|---|---|---|---|
| Vanillin | <6 | 5 | 0.3 | Vanillyl alcohol 3,4-Dihydroxybenzyl alcohol | |
| Vanillic acid | >2 | 2 | 0.4 | 2-Methoxyhydroquinone 3,4 Dihydroxybenzoic acid | |
| TPCA | 1 | 1 | 0.4 | 4-Hydroxybenzoic acid 3,4-Dihydroxybenzoic acid | |
| Mix-1 | Vanillin Vanillic acid |
>7 7 |
7 | 0.4 | Vanillyl alcohol 2-Methoxyhydroquinone |
| Mix2–2 | Vanillic acid TPCA |
1 1 |
1 | 0.9 | 4-Hydroxybenzoic acid |
| Mix3 | Vanillin Vanillic acid TPCA |
>3 1 1 |
2 | 0.9 | Vanillyl alcohol 4-Hydroxybenzoic acid 3,4- Dihydroxybenzyl alcohol 2-Methoxyhydroquinone |
| Mix5 | Furfural 5-HMF Vanillin Vanillic acid |
<1 3 7 7 |
2 | 0.6 | Furan-2-carboxylic acid 5-Hydroxyfuran-2-carboxylic acid Vanillyl alcohol 2-Methoxyhydroquinone 4Hydroxybenzoic acid 3,4-Dihydroxybenzene alcohol |
| TPCA | 2 | ||||
a
Days it took for individual compound to reach to undetectable concentration or to trace amount as determined by GC/MS, depending on the days that sample were collected for growth test.
b
Day when the cells reached maximum OD600.