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. 2012 Mar 20;7(3):e33893. doi: 10.1371/journal.pone.0033893

Figure 1. Pearson correlation coefficient between expression values of pairs of genes.

Figure 1

A) The genome-wide gene expression correlations of all the gene pairs and B) expression correlation between operonic gene pairs and randomly paired non-operonic gene pairs. As anticipated, it is evident that the genes on operons exhibit higher correlation in their expression compared to the non-operonic gene pairs.