<?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>2007-0934</journal-id>
<journal-title><![CDATA[Revista mexicana de ciencias agrícolas]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Mex. Cienc. Agríc]]></abbrev-journal-title>
<issn>2007-0934</issn>
<publisher>
<publisher-name><![CDATA[Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-09342016000601347</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Detección de Clavibacter michiganensis ssp. michiganensis por PCR en plantas de jitomate (Lycopersicon esculentum Mill.)]]></article-title>
<article-title xml:lang="en"><![CDATA[Detection of Clavibacter michiganensis ssp. michiganensis by PCR in in tomato plants (Lycopersicon esculentum Mill.)]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Frías-Pizano]]></surname>
<given-names><![CDATA[Jesús]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Acosta-García]]></surname>
<given-names><![CDATA[Gerardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez-Rico]]></surname>
<given-names><![CDATA[Katia Fernanda]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González-Chavira]]></surname>
<given-names><![CDATA[Mario Martín]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Guevara-González]]></surname>
<given-names><![CDATA[Ramón Gerardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Torres-Pacheco]]></surname>
<given-names><![CDATA[Irineo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Guevara-Olvera]]></surname>
<given-names><![CDATA[Lorenzo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Tecnológico de Roque  ]]></institution>
<addr-line><![CDATA[ Guanajuato]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Tecnológico de Celaya  ]]></institution>
<addr-line><![CDATA[Celaya Guanajuato]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,INIFAP  ]]></institution>
<addr-line><![CDATA[Celaya Guanajuato]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Autónoma de Querétaro  ]]></institution>
<addr-line><![CDATA[Santiago de Querétaro Querétaro]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2016</year>
</pub-date>
<volume>7</volume>
<numero>6</numero>
<fpage>1347</fpage>
<lpage>1357</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-09342016000601347&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-09342016000601347&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-09342016000601347&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El cáncer bacteriano causado por Clavibacter michiganensis ssp. michiganensis (Cmm), es una enfermedad devastadora del jitomate alrededor del mundo. El objetivo del presente estudio fue describir un procedimiento rápido basado en PCR para la detección de Cmm patogénica en plantas de jitomate. El DNA fue aislado por el método de hervido y se realizó PCR para la amplificación del gen pat-1 (serina proteasa), empleando los oligonucleótidos CMM5F y CMM6R, cuyo tamaño de amplicón fue de 608 pb. El fragmento fue clonado, secuenciado y comparado con la base de datos del NCBI (Centro Nacional para la Información Biotecnológica), mostrando 100% de identidad con secuencias del gen pat-1 de Cmm. Adicionalmente, de la secuencia obtenida se diseñaron 2 pares de oligonucleótidos anidados para producir amplicones de 250 pb a una temperatura de alineamiento de 62 °C. Los resultados descritos en el presente trabajo permitirán la identificación rápida y precisa de Cmm por PCR en semilla y en tejido vegetal de jitomate, al reducir el tiempo de análisis de 24 a 4 h aproximadamente.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Bacterial canker caused by Clavibacter michiganensis ssp. michiganensis (Cmm) is a devastating disease of tomato around the world. The aim of this study was to describe a rapid procedure based on PCR for the detection of pathogenic Cmm in tomato plants. The DNA was isolated by boiling method and PCR was performed to amplify pat-1 gene (serine protease) using the oligonucleotides CMM5F and CMM6R whose amplicon size was 608 bp. The fragment was cloned, sequenced and compared with the database from NCBI (National Center for Biotechnology Information), showing 100% identity with sequences pat-1 gene of Cmm. Additionally, from the sequence obtained two pairs of nested oligonucleotides were designed to produce amplicons of 250 bp to an annealing temperature of 62 ° C. The results described in this paper will allow rapid and accurate identification of Cmm by PCR in seed and tomato plant tissue by reducing the analysis time from 24 to 4 h approximately.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Clavibacter michiganensis ssp.]]></kwd>
<kwd lng="es"><![CDATA[michiganensis]]></kwd>
<kwd lng="es"><![CDATA[Lycopersicon esculentum Mill.]]></kwd>
<kwd lng="es"><![CDATA[cáncer bacteriano]]></kwd>
<kwd lng="es"><![CDATA[hervido]]></kwd>
<kwd lng="es"><![CDATA[oligonucleotidos anidados]]></kwd>
<kwd lng="en"><![CDATA[Clavibacter michiganensis ssp.]]></kwd>
<kwd lng="en"><![CDATA[michiganensis]]></kwd>
<kwd lng="en"><![CDATA[Lycopersicon esculentum Mill.]]></kwd>
<kwd lng="en"><![CDATA[bacterial canker]]></kwd>
<kwd lng="en"><![CDATA[boiled]]></kwd>
<kwd lng="en"><![CDATA[nested oligonucleotides]]></kwd>
</kwd-group>
</article-meta>
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