Fig. 6From: A novel strategy for D-psicose and lipase co-production using a co-culture system of engineered Bacillus subtilis and Escherichia coli and bioprocess analysis using metabolomicsTop 20 KEGG pathway for differential metabolites for group 1 vs 5 (a), 2 vs 6 (b), 3 vs 5 (c), and 4 vs 6 (d)Back to article page