Nature Reviews Molecular Cell Biology 14, 153–165 (2013)

In the above article, the sentence on page 156 should have read: "A minority of budding yeast genes have a single long intron and, interestingly, pausing of Pol II is more abundant in genes that contain short exons than in those containing long exons. This suggests that the presence of a long terminal exon can compensate for faster elongation and help ensure co-transcriptional splicing31."