Fig. 1From: Gene co-expression network analysis reveals key pathways and hub genes in Chinese cabbage (Brassica rapa L.) during vernalizationTranscriptional relationship between samples. a Heatmap of correlation value (R square) of 42 libraries. b Principal component analysis based on all of the expressed genes, showing 14 distinct groups of samples. c Number of transcripts in the 2 Chinese cabbage accessions, based on the FPKM of different samplesBack to article page