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Fig. 4 | Microbial Cell Factories

Fig. 4

From: Engineering microbial consortia of Elizabethkingia meningoseptica and Escherichia coli strains for the biosynthesis of vitamin K2

Fig. 4

Co-culture compatibility determination and upstream strain optimisation. A Optimisation of the inoculation ratios for the CO-1 cultivation system. Elizabethkingia meningoseptica and Escherichia coli were inoculated into the co-culture system at a ratio of 3:1, 3:2, 3:3, and 3:4 v/v. Statistical significance (p < 0.05) was determined by comparing with the initial inoculation ratio (3:1). B Different types of co-cultivation systems. The co-culture strains were inoculated at a ratio of 3:3. The error bars represent the standard error of at least three biological replicates. Statistical significance (p < 0.01) compared to the CO-1 cultivation system

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