title: An RNA reset button.
abstract: In this issue of Molecular Cell, single-cell analyses by Bumgarner et al. (2012) reveal how two antagonistic long noncoding RNAs at the FLO11 locus define a toggle responsible for morphological heterogeneity in genetically identical populations of budding yeast.
authors.affiliation: Wellcome Trust Centre for Cell Biology, University of Edinburgh, King's Buildings, Scotland.
authors.forename: Alex C
authors.initials: AC
authors.lastname: Tuck
authors.forename: David
authors.initials: D
authors.lastname: Tollervey