<?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>1794-2470</journal-id>
<journal-title><![CDATA[Nova]]></journal-title>
<abbrev-journal-title><![CDATA[Nova]]></abbrev-journal-title>
<issn>1794-2470</issn>
<publisher>
<publisher-name><![CDATA[Universidad Colegio Mayor de Cundinamarca]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1794-24702020000200027</article-id>
<article-id pub-id-type="doi">10.22490/24629448.3928</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Resistencia a antibióticos &#946;-lactámicos y eritromicina en bacterias de la cavidad oral]]></article-title>
<article-title xml:lang="en"><![CDATA[Resistance to &#946;-lactam Antibiotics and Erythromycin in Bacteria of the Oral Cavity]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González]]></surname>
<given-names><![CDATA[Norma Enid]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Zapata]]></surname>
<given-names><![CDATA[Alejandro Cuartas]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez-Henao]]></surname>
<given-names><![CDATA[Diego Fernando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Chávez-Vivas]]></surname>
<given-names><![CDATA[Mónica]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Libre Facultad de Ciencias de la Salud ]]></institution>
<addr-line><![CDATA[Cali ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Libre Facultad Ciencias de las Salud Programa de Medicina]]></institution>
<addr-line><![CDATA[Cali ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Santiago de Cali Facultad de Salud Programa de Odontología]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Libre Facultad de Ciencias de la Salud Programa de Medicina]]></institution>
<addr-line><![CDATA[Cali ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<volume>18</volume>
<numero>34</numero>
<fpage>27</fpage>
<lpage>45</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S1794-24702020000200027&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S1794-24702020000200027&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S1794-24702020000200027&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción. La microbiota humana como fuente de bacterias y genes de resistencia constituyen un problema de salud pública. En este estudio se investigó la prevalencia de bacilos entéricos Gram negativos resistentes a &#946;-lactámicos y de los Streptococcus del grupo viridans (EGV) con resistencia a eritromicina en la cavidad oral.  Métodos. Se realizó un estudio descriptivo de corte transversal con 193 aislamientos de la cavidad oral sana de 178 adultos que asistieron a una Clínica Odontológica de la ciudad de Cali durante el 2018. La evaluación de la sensibilidad antimicrobiana se realizó en 59 bacilos entéricos y 134 EGV y se identificó por PCR los genes que confieren resistencia a &#946;-lactámicos y eritromicina. El análisis estadístico se realizó mediante el empleo del paquete SPSS vs 23.  Resultados. El 84,7% de los bacilos entéricos fueron multirresistentes y presentaron genes bla, siendo blaTEM-1 (49,2%) y blaVIM-2 (30,5%,) los más prevalentes. Los EGV fueron resistentes a eritromicina (38,8%) y clindamicina (28,4%). El 18,7% presentaron el fenotipo cMLS&#946;, 4,5% el iMLS&#946; y el 14,9% fueron M. El gen ermB se detectó en los cMLS&#946;, (13,4%) y el gen mef en los M (9,7%).  Conclusión. En este estudio se demostró la presencia de EGV y bacilos entéricos resistentes a los antibióticos y portadores de genes de resistencia a eritromicina y genes bla en la cavidad oral sana. La presencia de estas bacterias representa un riesgo para la salud de los individuos portadores y contribuyen a la creciente epidemia de resistencia bacteriana.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction. The human microbiota as a source of bacteria and resistance genes is a public health problem. This study researched the prevalence of Gram-negative enteric bacilli resistant to &#946;-lactams and erythromycin resistance in the oral cavity.  Methods. A descriptive cross-sectional study was carried out with 193 isolates obtained from the oral cavity of 178 healthy adults who were treated at a Dental Clinic in the city of Cali during 2018. The evaluation of antimicrobial sensitivity was performed in 59 enteric bacilli and 134 EGV and the genes that confer resistance to &#946;-lactam and erythromycin were identified by PCR. Statistical analysis was performed using the SPSS statistical package vs. 25.0.  Results. 84.7% of the enteric bacilli presented the MDR phenotype and all presented the bla genes, blaTEM-1 (49.2%) and blaVIM-2 (30.5%) being the most prevalent. EGVs were resistant to erythromycin (38.8%) and clindamycin (28.4%). 18.7% presented the cMLS&#946; phenotype, 4.5% the iMLS&#946; and 14.9% were M. The ermB gene was detected more frequently in the cMLS&#946;, (13.4%) and the mef gene in the M (9.7%).  Conclusion. This study demonstrated the presence of antibiotics and Gram-negative enteric bacilli resistant to antibiotics and carriers of erythromycin resistance genes and bla genes, respectively in the healthy oral cavity. The presence of these bacteria represents a risk to the health of carrier individuals and contributes to the growing epidemic of bacterial resistance.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Enterobacteriaceae]]></kwd>
<kwd lng="es"><![CDATA[bacilos entéricos Gram negativos]]></kwd>
<kwd lng="es"><![CDATA[Streptococcus del grupo viridans]]></kwd>
<kwd lng="es"><![CDATA[resistencia]]></kwd>
<kwd lng="es"><![CDATA[antibióticos]]></kwd>
<kwd lng="es"><![CDATA[microbiota oral]]></kwd>
<kwd lng="es"><![CDATA[&#946;-lactámicos]]></kwd>
<kwd lng="es"><![CDATA[eritromicina]]></kwd>
<kwd lng="en"><![CDATA[Enterobacteriaceae]]></kwd>
<kwd lng="en"><![CDATA[Gram Negative Enteric Bacilli]]></kwd>
<kwd lng="en"><![CDATA[Viridans Streptococcus Group]]></kwd>
<kwd lng="en"><![CDATA[Antibiotic Resistance]]></kwd>
<kwd lng="en"><![CDATA[Oral Microbiota]]></kwd>
<kwd lng="en"><![CDATA[&#946;-lactamic]]></kwd>
<kwd lng="en"><![CDATA[Erythromycin]]></kwd>
</kwd-group>
</article-meta>
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