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Fig. 1 | BMC Microbiology

Fig. 1

From: Effects of CO2 limitation on the metabolism of Pseudoclostridium thermosuccinogenes

Fig. 1

Metabolic pathways from phosphoenolpyruvate (PEP) to the different fermentation products in P. thermosuccinogenes. The dashed grey arrow represents the glycolysis, which relies on a PPi-dependent phosphofructokinase. The green arrows represent the malate shunt for the conversion of PEP to pyruvate. ACDH, acetaldehyde dehydrogenase; ACN, aconitase; ACS, acetyl-CoA synthetase; ADH, alcohol dehydrogenase; AK, acetate kinase; CS, citrate synthase; Flx-Hdr, NADH dehydrogenase/heterodisulfide reductase bifurcation complex; FH, fumarate hydratase; FR, fumarate reductase; ICD, isocitrate dehydrogenase; LDHL, l-lactate dehydrogenase; MDH, malate dehydrogenase; ME, malic enzyme; OOR, 2-oxoglutarate:ferredoxin oxidoreductase; PEPCK, phosphoenolpyruvate carboxykinase; PFL, pyruvate formate lyase; PFOR, pyruvate:ferredoxin oxidoreductase; PPdK, pyruvate, phosphate dikinase; PTA, phosphate acetyltransferase; PYK, pyruvate kinase. The figure is adapted from [4]

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