title: Isolation and characterization of influenza virus recombinants with high and low neuraminidase activity. Use of 2-(3'-methoxyphenyl)-n-acetylneuraminic acid to identify cloned populations.
mesh_terms: D000818:Animals; D002250:Carbon Radioisotopes; D002642:Chick Embryo; D046508:Culture Techniques; D004591:Electrophoresis, Polyacrylamide Gel; D014644:Genetic Variation; D006386:Hemagglutination Tests; D006389:Hemagglutinins, Viral / Q000032:analysis; D008722:Methods; D009438:Neuraminic Acids; D009439:Neuraminidase / Q000378:metabolism*; D009975:Orthomyxoviridae / Q000032:analysis / Q000201:enzymology* / Q000276:immunology / Q000302:isolation & purification; D011995:Recombination, Genetic; D013194:Staining and Labeling; D014316:Tritium; D014764:Viral Proteins / Q000032:analysis; D014776:Virus Cultivation
chemical_list: D002250:Carbon Radioisotopes; D006389:Hemagglutinins, Viral; D009438:Neuraminic Acids; D014764:Viral Proteins; D014316:Tritium; D009439:Neuraminidase