title: Proteolytic cleavage of the viral glycoproteins and its significance for the virulence of Newcastle disease virus.
mesh_terms: D002459:Cell Fusion; D002460:Cell Line; D014644:Genetic Variation; D006023:Glycoproteins / Q000096:biosynthesis / Q000378:metabolism*; D006389:Hemagglutinins, Viral; D006461:Hemolysis; D009439:Neuraminidase / Q000096:biosynthesis; D009522:Newcastle disease virus / Q000254:growth & development / Q000378:metabolism* / Q000472:pathogenicity; D011498:Protein Precursors / Q000378:metabolism*; D014357:Trypsin / Q000494:pharmacology; D014764:Viral Proteins / Q000096:biosynthesis / Q000378:metabolism*; D014774:Virulence; D014779:Virus Replication
chemical_list: D006023:Glycoproteins; D006389:Hemagglutinins, Viral; D011498:Protein Precursors; D014764:Viral Proteins; D009439:Neuraminidase; D014357:Trypsin