The Journal of General and Applied Microbiology
Online ISSN : 1349-8037
Print ISSN : 0022-1260
PRESENCE OF β-LACTAMASE AND PENICILLIN ACYLASE IN A PSEUDOMONAS SP. UTILIZING BENZYLPENICILLIN AS A CARBON SOURCE
JÜRGEN JOHNSEN
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JOURNALS FREE ACCESS

1981 Volume 27 Issue 6 Pages 499-503

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Abstract

A strain of Pseudomonas sp. was isolated from activated sludge, growing on a mineral medium with benzylpenicillin as the sole carbon source. During growth the phenylacetate side chain was degraded and utilized. The nucleus molecule of the antibiotic, 6-aminopenicillanic acid, was not used but hydrolysed to penicic acid. Cell-free extracts contained β-lactamase and penicillin acylase activities.

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