Fig. 5From: Metabolism, morphology and transcriptome analysis of oscillatory behavior of Clostridium butyricum during long-term continuous fermentation for 1,3-propanediol productionChanges in morphology of C. butyricum S3 during an oscillation cycle. Operating condition: continuous fermentation at a glycerol feed concentration of 88 g/L and a dilution rate of 0.048 h−1. Bar, 20 μmBack to article page