The intron in centromeric noncoding RNA facilitates RNAi-mediated formation of heterochromatin.
Mutazono M, Morita M, Tsukahara C, Chinen M, Nishioka S, Yumikake T, Dohke K, Sakamoto M, Ideue T, Nakayama JI, et al. PLoS Genet. 2017 Feb; 13(2):e1006606. Epub 2017 Feb 23.