title: The A-MYSM power of deubiquitinases.
abstract: Little is known about the developmental functions of chromatin regulators that can deubiquitinate histones. In this issue of Immunity, Jiang et al. (2011) demonstrate that the deubiquitinase MYSM1 is part of an epigenetic switch that turns on B cell development.
authors.affiliation: Department of Discovery Immunology, Genentech, South San Francisco, CA 94080, USA.
authors.forename: Ignacio A
authors.initials: IA
authors.lastname: Demarco
authors.forename: Harinder
authors.initials: H
authors.lastname: Singh