<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0122-0667</journal-id>
<journal-title><![CDATA[Revista Médica de Risaralda]]></journal-title>
<abbrev-journal-title><![CDATA[Revista médica Risaralda]]></abbrev-journal-title>
<issn>0122-0667</issn>
<publisher>
<publisher-name><![CDATA[Universidad Tecnológica de Pereira]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0122-06672019000100010</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Staphylococcus aureus procedentes de quesos costeños de Valledupar; susceptibilidad a antibióticos y perfil plasmídico.]]></article-title>
<article-title xml:lang="en"><![CDATA[Staphylococcus aureus from Valledupar cheeses; susceptibility to antibiotics and plasmid profile]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Acosta Nieves]]></surname>
<given-names><![CDATA[Ivonne Patricia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Roenes:Gale]]></surname>
<given-names><![CDATA[Gustavo José]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,aff1  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Popular del Cesar  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2019</year>
</pub-date>
<volume>25</volume>
<numero>1</numero>
<fpage>10</fpage>
<lpage>14</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0122-06672019000100010&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0122-06672019000100010&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0122-06672019000100010&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen En este estudio se investigó la susceptibilidad a antibióticos y el perfil plasmídico de S aureus aislado de queso costeño, blando, semiduro y duro, expendidas en diferentes puntos de venta de la ciudad de Valledupar. Por el método de Difusión del disco en agar, se determinó la resistencia a antibióticos y con la técnica de lisis alcalina y electroforesis en gel de agarosa, el perfil plasmídico. Como resultado, se obtuvo una carga microbiana por encima de 103 UFC/g, que está sobre el valor promedio máximo permitido, según la norma covenin 1538-92, el cual indica que se puede desencadenar brotes por intoxicación con estafilocócos. Se demostró la presencia de S. aureus en los quesos costeños blandos (75%), seguidos por los quesos semiduros (25%) ambos de origen (artesanal), los cuales son de alto consumo en Valledupar. Se establecieron 4 patrones diferentes de resistencia en las cepas de S. aureus aisladas de los quesos, siendo el patrón TER común para dos cepas, el resto de los patrones fueron únicos (PR, CR y EI). Una cepa fue resistente a P, productora de &#946;-lactamasas, su CMI más alta fue 32µg/ml; todas las cepas mostraron sensibilidad a oxacilina, gentamicina, ciprofloxacina, cefoxitin, clindamicina, trimetoprim sulfa, vancomicina, rifampin, e imipenen. Hubo bandas plasmídicas con tamaños de 23kb encontrándose cepas con 1 plásmidos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract In this study, the antibiotic susceptibility was investigated and the plasmid profile of S aureus isolated from coastal cheese, soft, semi-hard and hard, expended in different outlets of the city of Valledupar. For the method of diffusion of the agar disk, the antibiotic resistance was determined and with the technique of alkaline lysis and electrophoresis in the agarose gel, the plasmid profile. As a result, was obtained one microbial load, above of 103 UFC/g, which is on average the maximum allowed value, according to the standard covenin 1538-92, which indicates that it can trigger outbreaks by Staphylococcal poisoning. The presence of S.aureus in coastal soft cheese was shown (75%), followed by semi-hard cheeses (25%) both home (handmade), which are of high consume in Valledupar. four different resistance patterns were established in the strains of the S.aureus isolated from the cheeses, being TER the common pattern for five strains, the rest of the patterns were unique (PR, CR and EI). One strain was resistant to P, producer of the &#946;-lactamases, the CMI more tall was 32µg/ml; All the strains show sensibility to oxacillin, gentamycin, ciprofloxacin, cephoxitin, clindamycin, trimetoprim sulfa, vancomycin, rifampin, and imipenem. There plasmid bands with sizes between 23kb, being 1 strains with plasmids.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Plásmidos]]></kwd>
<kwd lng="es"><![CDATA[contaminación de alimentos]]></kwd>
<kwd lng="es"><![CDATA[farmacorresistencia microbiana]]></kwd>
<kwd lng="es"><![CDATA[Staphylococcus aureus.]]></kwd>
<kwd lng="en"><![CDATA[Plasmids]]></kwd>
<kwd lng="en"><![CDATA[food contamination]]></kwd>
<kwd lng="en"><![CDATA[microbial drug resistance]]></kwd>
<kwd lng="en"><![CDATA[Staphylococcus aureus.]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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