Bacteriocin Production and Susceptibility Among Strains of Streptococcus mutans Grown in the Presence of Sucrose

Bacteriocin Production and Susceptibility Among Strains of Streptococcus mutans Grown in the Presence of Sucrose A. H. Rogers Department of Oral Biology, The University of Adelaide, South Australia 5000 ABSTRACT Whereas the bacteriocin activity of eight strains of Streptococcus mutans was unaffected by growth in the presence of sucrose, such a medium rendered five S. mutans and one S. salivarius indicator strains unsusceptible to the bacteriocins. In contrast, the susceptibility of three S. faecalis and one S. pyogenes strains was unaltered when these indicators were grown in the presence of sucrose. Since the S. mutans and S. salivarius strains produced extracellular polysaccharides from sucrose whereas the S. faecalis and S. pyogenes strains did not, it was concluded that a coating of extracellular polysaccharides rendered normally susceptible organisms unsusceptible to bacteriocin action. This supports previous suggestions that such bacteriocins are not active in vivo and therefore play no role in regulating the microbial ecology in dental plaque. Copyright © 1974 American Society for Microbiology CiteULike Connotea Delicious Digg Facebook Google+ Mendeley Reddit StumbleUpon Twitter What's this? « Previous | Next Article » Table of Contents This Article doi: 10.1128/​AAC.6.5.547 Antimicrob. Agents Chemother. November 1974 vol. 6 no. 5 547-550 » Abstract PDF Classifications ARTICLE Services Email this article to a colleague Similar articles in ASM journals Alert me when this article is cited Alert me if a correction is posted Similar articles in this journal Similar articles in Web of Science Similar articles in PubMed Alert me to new issues of AAC Download to citation manager Reprints and Permissions Copyright Information Books from ASM Press MicrobeWorld Citing Articles Load citing article information Citing articles via Web of Science Citing articles via Google Scholar Google Scholar Articles by Rogers, A. H. Search for related content PubMed PubMed citation Articles by Rogers, A. H. Related Content Load related web page information Social Bookmarking CiteULike Connotea Delicious Digg Facebook Google+ Mendeley Reddit StumbleUpon Twitter What's this? current issue December 2011, volume 55, issue 12 Alert me to new issues of AAC About AAC Subscribers Authors Reviewers Advertisers Inquiries from the Press Permissions & Commercial Reprints ASM Journals Public Access Policy AAC RSS Feeds 1752 N Street N.W. • Washington DC 20036 202.737.3600 • 202.942.9355 fax • [email protected] Print ISSN: 0066-4804 Online ISSN: 1098-6596 Copyright © 2011 by the American Society for Microbiology. For an alternate route to AAC .asm.org, visit: http://intl- AAC .asm.org | More Info»