Fig. 5From: Integrated transcriptomics and metabolomics analysis to characterize cold stress responses in Nicotiana tabacum Classification of identified metabolites. a Venn graph for up-regulated differentially accumulated metabolites between CB-1 and K326. b Venn graph for down-regulated differentially accumulated metabolites between CB-1 and K326. c Pie graph for differentially accumulated metabolites in CB-1. d Pie graph for differentially accumulated metabolites in K326Back to article page