... RNA [12,13] that may also act as a terminator hairpin The analysis of such a multiple paralog family raises interesting evolutionary questions on the origin of Page of 17 associated attenuators, ... K, Arakawa T, Nakamura M, Kubosaki A, Hayashida K, Kawazu C, Murata M, Nishiyori H, Fukuda S, Kawai J, Daub CO, Hume DA, Suzuki H, Orlando V, Carninci P, Hayashizaki Y, Mattick JS: Tiny RNAs associated ... pseudogenization, some 3’ terminators may remain active as attenuators of downstream cellular genes (exaptation) As IS insertion may occur at nearly random genomic sites, similar attenuator candidates...