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Fig. 1 | BMC Genomics

Fig. 1

From: CircMarker: a fast and accurate algorithm for circular RNA detection

Fig. 1

The procedure of the circular RNA detection. a A fast check for finding circular RNA relevant reads by sampling. The blue arrow stands for reads and the dots within it present the sparsely sampled k-mers. Gray dot: k-mer with no hit in the k-mer table from annotation. Red dot: k-mer which finds a hit in k-mer table. Reads inside green box: pass quick check. b Scanning k-mer sequentially from the beginning to the end for each read. Yellow arrow: k-mer. c Calling circular RNA using various criteria and filters. Green bar: exon along the reference. Two transcripts are listed here. The upper: with 3 exons, and the red arrow identified a potential circular RNA. The lower: with 2 exons, and the gray arrow stands for linear RNA

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