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FACTORS MODIFYING INDUCED FORMATION OF PENICILLINASE IN STAPHYLOCOCCUS AUREUS

FACTORS MODIFYING INDUCED FORMATION OF PENICILLINASE IN STAPHYLOCOCCUS AUREUS CONTENT ALERTS Receive: RSS Feeds, eTOCs, free email alerts (when new articles cite this article), more» Information about commercial reprint orders: http://jb.asm.org/site/misc/reprints.xhtml To subscribe to to another ASM Journal go to: http://journals.asm.org/site/subscriptions/ HARRY G. Laboratory of Clinical Investigation, National Institute of Allergy and Infectious Diseases, Bethesda, Maryland Received for publication November 21, 1960 Penicillinase, which is encountered in many penicillin-resistant strains of Staphylococcus aureus isolated from man (Kirby, 1944), is an inducible enzyme in Bacillus cereus and other species of this genus (Poilock, 1950). It was considered for a time as noninducible in S. aureus (Bondi et al., 1954). Subsequently, evidence was presented by Geronimus and Cohen (1957) supporting the hypothesis that the enzyme in S. aureus is also inducible. The present report verifies the inducibility of staphylococcal penicillinase and describes some of the factors controlling the induction process. MATERIALS AND METHODS Preparation of cells. The test organism was a penicillin-resistant strain of S. aureus isolated from a patient at the Clinical Center of the National Institutes of Health. It was of the phage pattern 80/81, coagulase positive, a strong a-hemolysin producer, and was resistant to a variety of antibiotics at the time of the primary isolation. A http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Bacteriology American Society For Microbiology

FACTORS MODIFYING INDUCED FORMATION OF PENICILLINASE IN STAPHYLOCOCCUS AUREUS

Journal of Bacteriology , Volume volume 81 (issue 6) – Jun 1, 1961

FACTORS MODIFYING INDUCED FORMATION OF PENICILLINASE IN STAPHYLOCOCCUS AUREUS

Journal of Bacteriology , Volume volume 81 (issue 6) – Jun 1, 1961

Abstract

CONTENT ALERTS Receive: RSS Feeds, eTOCs, free email alerts (when new articles cite this article), more» Information about commercial reprint orders: http://jb.asm.org/site/misc/reprints.xhtml To subscribe to to another ASM Journal go to: http://journals.asm.org/site/subscriptions/ HARRY G. Laboratory of Clinical Investigation, National Institute of Allergy and Infectious Diseases, Bethesda, Maryland Received for publication November 21, 1960 Penicillinase, which is encountered in many penicillin-resistant strains of Staphylococcus aureus isolated from man (Kirby, 1944), is an inducible enzyme in Bacillus cereus and other species of this genus (Poilock, 1950). It was considered for a time as noninducible in S. aureus (Bondi et al., 1954). Subsequently, evidence was presented by Geronimus and Cohen (1957) supporting the hypothesis that the enzyme in S. aureus is also inducible. The present report verifies the inducibility of staphylococcal penicillinase and describes some of the factors controlling the induction process. MATERIALS AND METHODS Preparation of cells. The test organism was a penicillin-resistant strain of S. aureus isolated from a patient at the Clinical Center of the National Institutes of Health. It was of the phage pattern 80/81, coagulase positive, a strong a-hemolysin producer, and was resistant to a variety of antibiotics at the time of the primary isolation. A

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Publisher
American Society For Microbiology
Copyright
Copyright © 1961 by the American society for Microbiology.
ISSN
0021-9193
eISSN
1098-5530
Publisher site
See Article on Publisher Site

Abstract

CONTENT ALERTS Receive: RSS Feeds, eTOCs, free email alerts (when new articles cite this article), more» Information about commercial reprint orders: http://jb.asm.org/site/misc/reprints.xhtml To subscribe to to another ASM Journal go to: http://journals.asm.org/site/subscriptions/ HARRY G. Laboratory of Clinical Investigation, National Institute of Allergy and Infectious Diseases, Bethesda, Maryland Received for publication November 21, 1960 Penicillinase, which is encountered in many penicillin-resistant strains of Staphylococcus aureus isolated from man (Kirby, 1944), is an inducible enzyme in Bacillus cereus and other species of this genus (Poilock, 1950). It was considered for a time as noninducible in S. aureus (Bondi et al., 1954). Subsequently, evidence was presented by Geronimus and Cohen (1957) supporting the hypothesis that the enzyme in S. aureus is also inducible. The present report verifies the inducibility of staphylococcal penicillinase and describes some of the factors controlling the induction process. MATERIALS AND METHODS Preparation of cells. The test organism was a penicillin-resistant strain of S. aureus isolated from a patient at the Clinical Center of the National Institutes of Health. It was of the phage pattern 80/81, coagulase positive, a strong a-hemolysin producer, and was resistant to a variety of antibiotics at the time of the primary isolation. A

Journal

Journal of BacteriologyAmerican Society For Microbiology

Published: Jun 1, 1961

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