title: Frequency of gene sequences necessary for pyelonephritis-associated pili expression among isolates of Enterobacteriaceae from human extraintestinal infections.
abstract: Bacteria representing eight genera of the Enterobacteriaceae were collected from human extraintestinal infections and examined to determine whether they contained gene sequences necessary for expression of a pili type often associated with bacteria causing human pyelonephritis. Escherichia coli isolated from most of the extraintestinal sites were frequently found to possess pap-related DNA sequences. Isolates which possessed these sequences were often found to exhibit D-mannose-resistant hemagglutination of human erythrocytes and to have surface antigens related to P pili.
mesh_terms: D000818:Animals; D001483:Base Sequence; D004269:DNA, Bacterial / Q000032:analysis*; D004756:Enterobacteriaceae Infections / Q000150:complications / Q000382:microbiology*; D004926:Escherichia coli / Q000166:cytology / Q000235:genetics / Q000276:immunology; D004927:Escherichia coli Infections / Q000150:complications / Q000382:microbiology; D010861:Fimbriae, Bacterial / Q000276:immunology*; D006386:Hemagglutination Tests; D006801:Humans; D011704:Pyelonephritis / Q000209:etiology / Q000382:microbiology*; D011817:Rabbits
chemical_list: D004269:DNA, Bacterial