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Fig. 2 | Genome Biology

Fig. 2

From: A subset of conserved mammalian long non-coding RNAs are fossils of ancestral protein-coding genes

Fig. 2

Using synteny to match GLCPs and conserved mammalian lncRNAs. a The methodology. b Numbers of positionally conserved GLCP–lncRNA pairs compared to the average numbers obtained when randomly placing lncRNAs (1000 iterations), selecting random groups of genes matched in number to the GLCPs (1000 iterations), or both (10,000 iterations). Error bars show empirical 90% confidence intervals. c Tallies of lncRNAs, unprocessed pseudogenes (UnP), and expressed unprocessed pseudogenes (Exp. UnP) syntenic with GLCPs in human and mouse. >1 species indicates that the lncRNA or the pseudogene were matched to a GLCP in more than one species. d Genomic organization of the human and lizard TRIP12/CAB39 loci

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