Fig. 4From: Analysis of heterologous expression of phaCBA promotes the acetoin stress response mechanism in Bacillus subtilis using transcriptomics and metabolomics approachesMetabolic pathway analysis of significantly differential metabolites and cluster analysis of significantly differential metabolite contents after acetoin stress treatment. a Metabolic pathway analysis of significantly differential metabolites in the 60 g/L acetoin treatment group (B. subtilis 168-pMA5) and 0 g/L acetoin control group (B. subtilis 168-pMA5). b Metabolic pathway analysis of significantly differential metabolites in acetoin stress between B. subtilis 168-pMA5 and B. subtilis 168-phaCBA. c Heatmap obtained by hierarchical clustering analysis of differential metabolites between B. subtilis 168-pMA5 (0 g/L, 60 g/L acetoin stress) and B. subtilis 168-phaCBA (60 g/L acetoin stress)Back to article page