Figure 3.

Relationship between long introns and CE fraction. The percentage of long introns (greater than 200 bp) is correlated with the CE fraction (<a onClick="popup('http://genomebiology.com/2008/9/3/R50/mathml/M1','MathML',630,470);return false;" target="_blank" href="http://genomebiology.com/2008/9/3/R50/mathml/M1">View MathML</a>). The best-fit line is y = 0.84x + 0.00 (R2 = 0.73). In each of four major eukaryotic groups (animals, fungi, plants and protists), species with more long introns display a higher propensity toward CEs.

McGuire et al. Genome Biology 2008 9:R50   doi:10.1186/gb-2008-9-3-r50
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