Fig. 2From: Full-length transcriptome analysis of maize root tips reveals the molecular mechanism of cold stress during the seedling stageComparison of transcript expression profiles from 12 samples. A, Principal component analysis (PCA) of 12 samples; (B), Hierarchical clustering and correlation coefficient based on transcripts expression of each samples. Sample ID named following inbred line (B and I represented B73 and IL85 respectively) + treatment (CK and CD represented control and cold stress respectively) + replicationBack to article page