Agarose gel electrophoresis and restriction endonuclease analysis of largeStaphylococcus plasmids |
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Authors: | Wesley E Kloos Ulrike Kopp Barbara S Orban Hans Blobel |
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Institution: | 1. Department of Genetics, North Carolina State University, 27650, Raleigh, North Carolina, USA 2. Institut für Bakteriologie und Immunologie, Fachbereich Veterin?rmedizin der Justus Liebig-Universit?t Giessen, Frankfurter Strasse 107, D-6300, Giessen, Federal Republic of Germany
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Abstract: | Preliminary studies using an improved method for the agarose gel electrophoresis of semipurified, cleared lysates of staphylococci
have indicated some distinct differences in plasmid composition between the coagulase-positive speciesStaphylococcus aureus andStaphylococcus intermedius, and various coagulase-negative species. Penicillinase-positive strains ofS. intermedius andS. simulans did not carry large penicillinase plasmids like most penicillinase-positive strains ofS. aureus. Most coagulase-negative species examined demonstrated complex plasmid profiles. Codigestion by the restriction endonucleasesHaeIII andHpaI offered a useful approach for “fingerprinting” large plasmids from various strains and species. |
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