title: Novel tubular and crystalline structures in purified preparations of Newcastle disease virus. Brief report.
abstract: Hitherto undescribed tubular and crystalline structures were detected by negative contrast electron microscopy in purified preparations of Newcastle disease virus. It is suggested that these are viral in origin and are composed of aggregates of viral glycoprotein.
mesh_terms: D000818:Animals; D002642:Chick Embryo; D003461:Crystallography; D006023:Glycoproteins / Q000032:analysis; D007181:Inclusion Bodies, Viral / Q000648:ultrastructure*; D009522:Newcastle disease virus / Q000648:ultrastructure*; D014764:Viral Proteins / Q000032:analysis; D014776:Virus Cultivation
chemical_list: D006023:Glycoproteins; D014764:Viral Proteins