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Pseudomonas pyocyanea and the arginine dihydrolase system
  1. J. J. Taylor,
  2. J. L. Whitby
  1. Department of Clinical Pathology, Queen Elizabeth Hospital, Birmingham

    Abstract

    Non-pigmented strains of Pseudomonas pyocyanea occur frequently and this organism has only limited activity in conventional biochemical tests; 50 strains were tested for the presence of arginine dihydrolase and found positive whereas only Salmonella sp. and Enterobacter sp. among other Gram-negative species were positive. The test for arginine dihydrolase is rapid and simple and suitable for routine use.

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