Fig. 2From: Integrated transcriptomics and metabolomics analysis reveals key regulatory network that response to cold stress in common Bean (Phaseolus vulgaris L.)Cluster analysis results of metabolites detected in all samples. a is the metabolite detected under the positive ion mode, (b) is the metabolite detected under the negative ion mode. c, d, PCA results for all treatment groups. c is the metabolite detected under the positive ion mode, and (d) is the metabolite detected under the negative ion modeBack to article page