1887

Abstract

Summary.

Two commercially available media recommended for the isolation and rapid identification of from urinary tract infections were supplemented with L-phenylalanine and L-tryptophan. The non-selective medium proved suitable for the direct detection of lactose fermentation, -glucuronidase and phenylalanine deaminase activities, indole production and the oxidase test. It was highly efficient in making a presumptive identification at species level of the most common gram-negative urinary pathogens, and , that account for . 85% of all urinary isolates. Among the gram-positive isolates, most colonies were non-fluorescent and could be separated into staphylococci and enterococci on the basis of the catalase test. Fluorescent colonies were found to be isolates, 61% of which were fluorescent. The selective medium proved suitable for the same biochemical tests, with the exception of indole, which was not visible against the red colour of the medium. Therefore, the differentiation of from other species was impossible on this medium.

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/content/journal/jmm/10.1099/00222615-41-6-389
1994-12-01
2020-10-24
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http://instance.metastore.ingenta.com/content/journal/jmm/10.1099/00222615-41-6-389
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