From: Energy metabolism of Heliobacterium modesticaldum during phototrophic and chemotrophic growth
Growth condition | Nitrogen source | Pyruvate supplied/consumed (mM) | Acetate excretion (mM) | Ratio of pyruvate consumption/acetate excretion | Lactate excretion (mM) |
---|---|---|---|---|---|
phototrophic growth | NH4+ | 20 | 7.8 | 39% | -- |
phototrophic growth + 0.4% bicarbonate | NH4+ | 20 | 7.0 | 35% | -- |
phototrophic growth | 98% N2/ 2% H2 | 20 | 7.2 | 36% | -- |
chemotrophic growth | NH4+ | 40 | 17.5 | 44% | -- |
chemotrophic growth | 98% N2/ 2% H2 | 40 | 16.8 | 42% | -- |