Summary
A growth associated formation of extracellular 5-aminolevulinic acid (ALA) was found in the homoacetogenesis of glucose byClostridium thermoaceticum grown in minimal defined medium. The growth and ALA production was enhanced by L-cysteine HCl both in complex medium (UM) and minimal defined medium (MDM). The amount of ALA produced extracellularly in MDM wasca. 15 mg/L after 90-h anaerobic cultivation (cell-mass: 1.5 g/l; glucose consumed: 20 g/l).
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Koesnandar, Ago, S., Nishio, N. et al. Production of extracellular 5-aminolevulinic acid byClostridium thermoaceticum grown in minimal medium. Biotechnol Lett 11, 567–572 (1989). https://doi.org/10.1007/BF01040037
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DOI: https://doi.org/10.1007/BF01040037