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. 2018 Dec 11;13(12):e0202375. doi: 10.1371/journal.pone.0202375

Fig 4. Expression pattern of circRNAs.

Fig 4

(A) Expression level of circRNAs in different scopes. CircRNAs were usually expressed at lower levels, which may explain their difficult detection because they lack a poly(A) tail. ctrl and dr indicate control and drought, respectively. (B) The degree of circRNA expression under five different treatments was shown by heatmap. More circRNAs were present under heat stress. (C) Pie chart with rainbow colours showing the ratio of circRNAs possessing tissue-specific expression in 10 different tissues. (D) Tendency for differential expression of circRNAs and the overlapping genes was plotted using fold changes between the drought and control in root as the standard. The number of both differentially expression circRNAs and genes is marked.