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Fig. 7 | Biotechnology for Biofuels

Fig. 7

From: Production of C2–C4 diols from renewable bioresources: new metabolic pathways and metabolic engineering strategies

Fig. 7

Metabolic pathways for the production of 1,3-butanediol (1,3-BDO). Two metabolic pathways have been proposed to produce 1,3-BDO via acetyl-CoA. In route (illustrated by green colors), acetyl-CoA is converted into 1,3-BDO by acetyl-CoA acetyltransferase, acetoacetyl-CoA reductase, butyryl-CoA dehydrogenase, and alcohol dehydrogenase. In route (illustrated by orange colors), acetyl-CoA is converted into 1,3-BDO by acetyl-CoA dehydrogenase, aldolase, and alcohol dehydrogenase. ackA acetate kinase, adhE acetaldehyde/alcohol dehydrogenase, bld butyryl-CoA dehydrogenase, ldhA lactate dehydrogenase, pfl pyruvate formate lyase, phaA acetyl-CoA acetyltransferase, phaB acetoacetyl-CoA reductase, pta phosphate acetyltransferase, yqhD NAD(P)H-dependent alcohol dehydrogenases

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