Variations in the energy metabolism of biotechnologically relevant heterofermentative lactic acid bacteria during growth on sugars and organic acids

@article{Zaunmller2006VariationsIT,
  title={Variations in the energy metabolism of biotechnologically relevant heterofermentative lactic acid bacteria during growth on sugars and organic acids},
  author={Tanja Zaunm{\"u}ller and Marion Eichert and Hanno Richter and Gottfried Unden},
  journal={Applied Microbiology and Biotechnology},
  year={2006},
  volume={72},
  pages={421-429}
}
Heterofermentative lactic acid bacteria (LAB) such as Leuconostoc, Oenococcus, and Lactobacillus strains ferment pentoses by the phosphoketolase pathway. The extra NAD(P)H, which is produced during growth on hexoses, is transferred to acetyl-CoA, yielding ethanol. Ethanol fermentation represents the limiting step in hexose fermentation, therefore, part of the extra NAD(P)H is used to produce erythritol and glycerol. Fructose, pyruvate, citrate, and O2 can be used in addition as external… CONTINUE READING

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