Bacteriologic and clinical study of Bacteroides oris and Bacteroides buccae

B. L. Johnston, M. A.C. Edelstein, E. Y. Holloway, S. M. Finegold

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Resumen

We characterized clinical isolates previously identified in our laboratory as Bacteroides ruminicola, the human strains of which are now classified as Bacteroides oris and Bacteroides buccae. A total of 72 isolates (55 B. buccae isolated and 17 B. oris isolates) recovered over a 10-year period were studied. They were differentiated from each other by special-potency antibiotic disks and the RapID-ANA system. The two organisms were associated with a variety of infections, the majority being pleuropulmonary (29.2%) and infections of the head and neck region (27.8%). The infections were always polymicrobial, usually with more than five organisms per specimen. A total of 44% of the B. oris strains and 27% of the B. buccae strains were resistant to penicillin G (breakpoint, 2 U/ml), and this correlated with the presence of beta-lactamase. Although B. oris and B. buccae are found with some frequency in human infections, they are present primarily as components of a mixed flora.

Idioma originalEnglish
Páginas (desde-hasta)491-493
Número de páginas3
PublicaciónJournal of Clinical Microbiology
Volumen25
N.º3
DOI
EstadoPublished - 1987
Publicado de forma externa

ASJC Scopus Subject Areas

  • Microbiology (medical)

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