title: Embryonic development: a new SPN on cell fate specification.
abstract: The recent identification and characterization of the Caenorhabditis elegans gene spn-4 has shed new light on the mechanisms that link embryonic polarity to the specification of cell fates.
authors.affiliation: Department of Biology, CB3280, The University of North Carolina at Chapel Hill, 616 Fordham Hall, Chapel Hill, NC 27599, USA.
authors.forename: Jean-Claude
authors.initials: JC
authors.lastname: Labbé
authors.forename: Bob
authors.initials: B
authors.lastname: Goldstein
mesh_terms: D000818:Animals; D017173:Caenorhabditis elegans / Q000166:cytology / Q000196:embryology*; D019070:Cell Lineage; D005314:Embryonic and Fetal Development