In ciliated protozoans, small RNAs (sRNAs) are integral to guiding large-scale genomic rearrangements after mating. Sandoval et al. (2014) report in this issue of Developmental Cell the discovery of a class of Paramecium sRNAs, produced by a unique Dicer-like enzyme, that likely provides late stage quality control in this process.
Copyright © 2014 Elsevier Inc. All rights reserved.