Proteolytic activity of Streptococcus mutans (GS-5)
Identifieur interne : 000695 ( Istex/Corpus ); précédent : 000694; suivant : 000696Proteolytic activity of Streptococcus mutans (GS-5)
Auteurs : Lars Rosengren ; Bengt WinbladSource :
- Oral Surgery, Oral Medicine, Oral Pathology [ 0030-4220 ] ; 1976.
Abstract
The potential proteolytic ability of cariogenic streptococci was assessed in a strain of Streptococcus mutans (GS-5). Blood-borne S. mutans from rats infected by mouth with GS-5 were cultured, and sterile rat tail tendons were placed on these cultured bacterial colonies. The collagenolytic ability of these organisms was examined under the scanning electron microscope and by testing for reduced tensile strength of the collagen fibers. These experiments showed that GS-5 cariogenic streptococcus can be conditioned to produce significant collagenolytic activity.
Url:
DOI: 10.1016/0030-4220(76)90103-1
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Blood-borne S. mutans from rats infected by mouth with GS-5 were cultured, and sterile rat tail tendons were placed on these cultured bacterial colonies. The collagenolytic ability of these organisms was examined under the scanning electron microscope and by testing for reduced tensile strength of the collagen fibers. These experiments showed that GS-5 cariogenic streptococcus can be conditioned to produce significant collagenolytic activity.</div></front></TEI><istex><corpusName>elsevier</corpusName><author><json:item><name>Lars Rosengren D.D.S.</name><affiliations><json:string>Department of Cariology, University of UmeåUmeå, Sweden</json:string></affiliations></json:item><json:item><name>Bengt Winblad M.D.</name><affiliations><json:string>Department of Cariology, University of UmeåUmeå, Sweden</json:string></affiliations></json:item></author><subject><json:item><lang><json:string>eng</json:string></lang><value>Endodontics</value></json:item></subject><language><json:string>eng</json:string></language><abstract>The potential proteolytic ability of cariogenic streptococci was assessed in a strain of Streptococcus mutans (GS-5). Blood-borne S. mutans from rats infected by mouth with GS-5 were cultured, and sterile rat tail tendons were placed on these cultured bacterial colonies. The collagenolytic ability of these organisms was examined under the scanning electron microscope and by testing for reduced tensile strength of the collagen fibers. 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Blood-borne S. mutans from rats infected by mouth with GS-5 were cultured, and sterile rat tail tendons were placed on these cultured bacterial colonies. The collagenolytic ability of these organisms was examined under the scanning electron microscope and by testing for reduced tensile strength of the collagen fibers. These experiments showed that GS-5 cariogenic streptococcus can be conditioned to produce significant collagenolytic activity.</p></abstract><textClass><keywords scheme="keyword"><list><head>Article category</head><item><term>Endodontics</term></item></list></keywords></textClass></profileDesc><revisionDesc><change when="1976">Published</change></revisionDesc></teiHeader></istex:fulltextTEI></fulltext><metadata><istex:metadataXml wicri:clean="Elsevier, elements deleted: tail"><istex:xmlDeclaration>version="1.0" encoding="utf-8"</istex:xmlDeclaration><istex:docType PUBLIC="-//ES//DTD journal article DTD version 4.5.2//EN//XML" URI="art452.dtd" name="istex:docType"></istex:docType><istex:document><converted-article version="4.5.2" docsubtype="fla"><item-info><jid>OSOMOP</jid><aid>76901031</aid><ce:pii>0030-4220(76)90103-1</ce:pii><ce:doi>10.1016/0030-4220(76)90103-1</ce:doi><ce:copyright type="unknown" year="1976"></ce:copyright><ce:doctopics><ce:doctopic><ce:text>Endodontics</ce:text></ce:doctopic></ce:doctopics></item-info><head><ce:article-footnote><ce:label>☆</ce:label><ce:note-para>This investigation was supported by grants from the University of Umeå and the Swedish National Association Against Heart and Chest Diseases.</ce:note-para></ce:article-footnote><ce:title>Proteolytic activity of <ce:italic>Streptococcus mutans</ce:italic> (GS-5)</ce:title><ce:author-group><ce:author><ce:given-name>Lars</ce:given-name><ce:surname>Rosengren</ce:surname><ce:degrees>D.D.S.</ce:degrees><ce:cross-ref refid="COR1"><ce:sup>3</ce:sup></ce:cross-ref><ce:cross-ref refid="AFF1"><ce:sup>1</ce:sup></ce:cross-ref><ce:cross-ref refid="AFF2"><ce:sup>2</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>Bengt</ce:given-name><ce:surname>Winblad</ce:surname><ce:degrees>M.D.</ce:degrees><ce:cross-ref refid="AFF1"><ce:sup>1</ce:sup></ce:cross-ref><ce:cross-ref refid="AFF2"><ce:sup>2</ce:sup></ce:cross-ref></ce:author><ce:affiliation id="AFF1"><ce:label>a</ce:label><ce:textfn>Department of Cariology, University of UmeåUmeå, Sweden</ce:textfn></ce:affiliation><ce:affiliation id="AFF2"><ce:label>b</ce:label><ce:textfn>Department of Pathology, University of UmeåUmeå, Sweden</ce:textfn></ce:affiliation><ce:correspondence id="COR1"><ce:label>3</ce:label><ce:text><ce:italic>Reprint requests to:</ce:italic> Dr. Lars Rosengren Department of Cariology University of UmeåUmeå, Sweden</ce:text></ce:correspondence></ce:author-group><ce:abstract><ce:section-title>Abstract</ce:section-title><ce:abstract-sec><ce:simple-para>The potential proteolytic ability of cariogenic streptococci was assessed in a strain of <ce:italic>Streptococcus mutans</ce:italic> (GS-5). Blood-borne <ce:italic>S. mutans</ce:italic> from rats infected by mouth with GS-5 were cultured, and sterile rat tail tendons were placed on these cultured bacterial colonies. The collagenolytic ability of these organisms was examined under the scanning electron microscope and by testing for reduced tensile strength of the collagen fibers. 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Blood-borne S. mutans from rats infected by mouth with GS-5 were cultured, and sterile rat tail tendons were placed on these cultured bacterial colonies. The collagenolytic ability of these organisms was examined under the scanning electron microscope and by testing for reduced tensile strength of the collagen fibers. These experiments showed that GS-5 cariogenic streptococcus can be conditioned to produce significant collagenolytic activity.</abstract><note>This investigation was supported by grants from the University of Umeå and the Swedish National Association Against Heart and Chest Diseases.</note><subject><genre>Article category</genre><topic>Endodontics</topic></subject><relatedItem type="host"><titleInfo><title>Oral Surgery, Oral Medicine, Oral Pathology</title></titleInfo><titleInfo type="abbreviated"><title>OSOMOP</title></titleInfo><genre type="Journal">journal</genre><originInfo><dateIssued encoding="w3cdtf">197612</dateIssued></originInfo><identifier type="ISSN">0030-4220</identifier><identifier type="PII">S0030-4220(00)X0227-7</identifier><part><date>197612</date><detail type="volume"><number>42</number><caption>vol.</caption></detail><detail type="issue"><number>6</number><caption>no.</caption></detail><extent unit="issue pages"><start>A5</start><end>A13</end></extent><extent unit="issue pages"><start>705</start><end>868</end></extent><extent unit="pages"><start>801</start><end>809</end></extent></part></relatedItem><identifier type="istex">041A7405D218B9AB5F0C6789048B89C0DD951206</identifier><identifier type="DOI">10.1016/0030-4220(76)90103-1</identifier><identifier type="PII">0030-4220(76)90103-1</identifier><recordInfo><recordContentSource>ELSEVIER</recordContentSource></recordInfo></mods></metadata></istex></record>Pour manipuler ce document sous Unix (Dilib)
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