Abstract
THE possession of a phenylalanine deaminase which converts phenylalanine to phenylpyruvic acid is one of a combination of five properties unique for the Proteus–Providence group of organisms1. Of a total of 185 P. hauseri (P. mirabilis + P. vulgaris), 155 P. morganii, 29 P. rettgeri and 239 Providence strains qualitatively examined for the presence of this enzyme2–4, all but two Providence strains3 were positive, although P. morganii strains have been reported to yield on occasions weak or negative results5.
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SMIT, J. Specific Activity of Phenylalanine Deaminase in Extracts of the Proteus–Providence Group. Nature 211, 1003 (1966). https://doi.org/10.1038/2111003a0
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DOI: https://doi.org/10.1038/2111003a0
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