Figure 6.

Consensus sequences at positions −2 and −1, and +1 and +2 around intron positions, drawn with Weblogo 3.2[72](http://weblogo.threeplusone.com/create.cgi webcite). A: all positions, intron present. B: all positions, intron absent. C: sequence at the 17 oldest positions when an intron is present; D: sequence at the 17 oldest positions in the absence of intron, i. e. after intron loss; E: sequence at the recent positions 2, 3, 4, 11, 12, 13, 14, 15, 16, 21, 25, 31, 37, 39a, 47, 48, 51, 52, 55, 57 in the presence of intron; F: same positions as E, in the absence of intron. Introns of Stehi_78757, of Jaapia argillacea and of Bjerkandera adusta were not included. n is the number of sequences. Y-axis is graduated in bits of information. Error bars are Bayesian 95% confidence intervals.

Da Lage et al. BMC Evolutionary Biology 2013 13:40   doi:10.1186/1471-2148-13-40
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