Fig. 4From: Metabolism, morphology and transcriptome analysis of oscillatory behavior of Clostridium butyricum during long-term continuous fermentation for 1,3-propanediol productionOscillatory patterns of specific rates of glycerol consumption (a) and productions of biomass (b), 1,3-PDO (c), butyrate (d), acetate (e), lactate (f), formate (g), H2 (h) and CO2 (i) in continuous fermentation at a glycerol feed concentration of 88 g/L and a dilution rate of 0.048 h−1Back to article page