- Intronic L1 retrotransposons and nested genes cause transcriptional interference by inducing intron retention, exonization and cryptic polyadenylationKaer, Kristel; Branovets, Jelena; Hallikma, Anni; Nigumann, Pilvi; Speek, MartPLoS ONE2011 / p. e26099 [20 p.] http://dx.doi.org/10.1371/journal.pone.0026099