Author(s): Matsen JM, Blazevic DJ, Ryan JA, Ewing WH
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Abstract Thirteen indole-producing, swarming strains of Proteus were identified by additional biochemical testing as being Proteus mirabilis. These strains were characterized by 40 biochemical tests and by susceptibility testing to 11 antibiotics. All produced ornithine decarboxylase and were susceptible to members of the penicillin-cephalosporin groups of antibiotics. These indole-positive strains are similar to indole-negative P. mirabilis and are distinctly different from P. vulgaris. For greatest accuracy and to insure greatest clinical relevancy, P. mirabilis and P. vulgaris should be distinguished from one another in the laboratory by performing both the indole and ornithine decarboxylase tests.
This article was published in Appl Microbiol
and referenced in Journal of Microbial & Biochemical Technology