title: NK cell genesis: a trick of the trail.
abstract: In this issue of Immunity, Gordon et al. (2012) analyzed the role of the transcription factors T-bet and Eomesodermin in natural killer (NK) cell development, revealing a distinct spatiotemporal requirement of these factors for NK cell maturation.
authors.affiliation: Centre d'Immunologie de Marseille-Luminy, Aix-Marseille Université, Campus de Luminy, France.
authors.forename: Emilie
authors.initials: E
authors.lastname: Narni-Mancinelli
authors.forename: Eric
authors.initials: E
authors.lastname: Vivier