{"title":"Comparative activity of LY146032 against anaerobic cocci.","authors":"D Greenwood, J Palfreyman","doi":"10.1007/BF02013071","DOIUrl":null,"url":null,"abstract":"<p><p>Fifty strains of anaerobic gram-positive cocci were tested in vitro against benzylpenicillin, teicoplanin, vancomycin and LY146032. The organisms displayed a wide range of susceptibility to penicillin and the minimum inhibitory concentration for 11 of the strains was greater than or equal to 1 mg penicillin/L. The activity of teicoplanin exceeded that of vancomycin by a factor of two. The activity of LY 146032 varied in different culture media and was dramatically potentiated by the addition of a physiological concentration of calcium. Peptococci were, in general, more susceptible than peptostreptococci to penicillin and to LY146032 in the absence of added calcium.</p>","PeriodicalId":11958,"journal":{"name":"European Journal of Clinical Microbiology","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"1987-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1007/BF02013071","citationCount":"9","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"European Journal of Clinical Microbiology","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1007/BF02013071","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 9
Abstract
Fifty strains of anaerobic gram-positive cocci were tested in vitro against benzylpenicillin, teicoplanin, vancomycin and LY146032. The organisms displayed a wide range of susceptibility to penicillin and the minimum inhibitory concentration for 11 of the strains was greater than or equal to 1 mg penicillin/L. The activity of teicoplanin exceeded that of vancomycin by a factor of two. The activity of LY 146032 varied in different culture media and was dramatically potentiated by the addition of a physiological concentration of calcium. Peptococci were, in general, more susceptible than peptostreptococci to penicillin and to LY146032 in the absence of added calcium.
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