title: tEMPting Fate MaYBe the Solution.
abstract: In the present issue of Immunity, Hoeffel et al. (2015) reconcile a controversy by demonstrating that a distinct wave of yolk-sac-derived erythro-myeloid progenitors (EMPs) differentiate to fetal monocytes in the liver and further to adult macrophages in the majority of tissues.
authors.affiliation: Institute of Molecular Health Sciences, Department of Biology, ETH Zurich, 8093 Zurich, Switzerland. Electronic address: christoph.schneider@ucsf.edu.
authors.forename: Christoph
authors.initials: C
authors.lastname: Schneider
authors.affiliation: Institute of Molecular Health Sciences, Department of Biology, ETH Zurich, 8093 Zurich, Switzerland. Electronic address: manfred.kopf@ethz.ch.
authors.forename: Manfred
authors.initials: M
authors.lastname: Kopf
mesh_terms: D000375:Aging / Q000276:immunology*; D000818:Animals; D005260:Female; D008264:Macrophages / Q000276:immunology*; D009000:Monocytes / Q000276:immunology*; D023461:Myeloid Progenitor Cells / Q000276:immunology*; D011247:Pregnancy; D020598:Proto-Oncogene Proteins c-myb / Q000276:immunology*
chemical_list: D020598:Proto-Oncogene Proteins c-myb