title: Molecular tools for genetic dissection of the protozoan parasite Toxoplasma gondii.
authors.affiliation: Department of Biology, University of Pennsylvania, Philadelphia 19104.
authors.forename: D S
authors.initials: DS
authors.lastname: Roos
authors.forename: R G
authors.initials: RG
authors.lastname: Donald
authors.forename: N S
authors.initials: NS
authors.lastname: Morrissette
authors.forename: A L
authors.initials: AL
authors.lastname: Moulton
mesh_terms: D000818:Animals; D010274:Parasitology / Q000379:methods*; D014122:Toxoplasma / Q000235:genetics / Q000254:growth & development / Q000302:isolation & purification