title: Partial characterization of the hemagglutinin of Alcaligenes faecalis.
abstract: The hemagglutinin of Alcaligenes faecalis was partially characterized. Hemagglutination (HA) was blocked by enzymes inactivating proteins, by heat, and by antisera but not by sugar-blocking substances. Pili were not determined to be a factor in HA activity. There was no connection between virulence and HA activity.
mesh_terms: D000421:Alcaligenes / Q000276:immunology* / Q000648:ultrastructure; D000818:Animals; D004912:Erythrocytes / Q000276:immunology; D010861:Fimbriae, Bacterial / Q000648:ultrastructure; D005557:Formaldehyde / Q000494:pharmacology; D006386:Hemagglutination Tests / Q000592:standards; D006388:Hemagglutinins / Q000032:analysis* / Q000276:immunology; D009439:Neuraminidase / Q000494:pharmacology; D010447:Peptide Hydrolases / Q000494:pharmacology; D014357:Trypsin / Q000494:pharmacology; D014422:Turkeys / Q000276:immunology / Q000382:microbiology*
chemical_list: D006388:Hemagglutinins; D005557:Formaldehyde; D009439:Neuraminidase; D010447:Peptide Hydrolases; D014357:Trypsin