<?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>0185-3309</journal-id>
<journal-title><![CDATA[Revista mexicana de fitopatología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. mex. fitopatol]]></abbrev-journal-title>
<issn>0185-3309</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Fitopatología A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0185-33092017000300377</article-id>
<article-id pub-id-type="doi">10.18781/r.mex.fit.1703-8</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Detección, identificación e inferencia filogenética del nematodo del tallo Ditylenchus dipsaci (Kuhn) filipjev (Nematoda:Anguinidae) afectando alfalfa Medicago sativa L. en Jalisco, México]]></article-title>
<article-title xml:lang="en"><![CDATA[Detection, identification and phylogenetic inference of the stem nematode Ditylenchus dipsaci (Kuhn) filipjev (Nematoda:Anguinidae) affecting alfalfa Medicago sativa L. in Jalisco, Mexico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rosas-Hernández]]></surname>
<given-names><![CDATA[Leonel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramírez-Suárez]]></surname>
<given-names><![CDATA[Angel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alcasio-Rangel]]></surname>
<given-names><![CDATA[Salomé]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López-Buenfil]]></surname>
<given-names><![CDATA[José Abel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Medina-Gómez]]></surname>
<given-names><![CDATA[Edgar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Colegio de Postgraduados Programa de Fitopatología ]]></institution>
<addr-line><![CDATA[Texcoco Estado de México]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,CONACYT Centro Nacional de Metrología ]]></institution>
<addr-line><![CDATA[El Marqués Querétaro]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,SAGARPA SENASICA Centro Nacional de Referencia Fitosanitaria, Dirección General de Sanidad Vegetal]]></institution>
<addr-line><![CDATA[Tecámac Estado de México]]></addr-line>
<country>México</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Autónoma Metropolitana Departamento de Producción Agrícola y Animal ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2017</year>
</pub-date>
<volume>35</volume>
<numero>3</numero>
<fpage>377</fpage>
<lpage>396</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0185-33092017000300377&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0185-33092017000300377&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0185-33092017000300377&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El monitoreo de plagas y enfermedades reglamentadas que afectan a los cultivos en México es importante para determinar su presencia e impacto. Con la finalidad de colaborar con las actividades del Sistema Nacional de Vigilancia Epidemiológica Fitosanitaria, se analizaron plantas de alfalfa de Atoyac, Jalisco con acortamiento de entrenudos, deformación de brotes, hojas y decoloración de foliolos, síntomas sospechosos a infestaciones por nematodos foliares. Se analizaron por separado raíces, hojas + brotes y tallos. Se realizó la taxonomía tradicional, análisis molecular y filogenético de dos marcadores del ADN ribosomal de los nematodos detectados. Se aislaron especímenes del género Ditylenchus solo en hojas + brotes y tallos. La identidad de la especie según la morfotaxonomía de hembras y machos correspondió al nematodo del tallo D. dipsaci. El análisis PCR-RFLP de la región ITS1-5.8S-ITS2 mostró un patrón de restricción de 335, 280, 200 y 132 pb con la enzima RsaI y de 400 y 300 pb con HinfI. La alineación BLAST indicó un 99% de homología con D. dipsaci (E=0.0). La filogenia según el criterio de probabilidades posteriores bayesiano de ambos marcadores ubicó a la población mexicana de alfalfa en el grupo que incluye las poblaciones de D. dipsaci sensu stricto. A nuestro saber, este es el primer reporte de D. dipsaci afectando alfalfa en el occidente de México.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Monitoring regulated pests and diseases that affect crops in Mexico is important to determine its presence and impact. With the purpose of supporting the National Phytosanitary Epidemiological Surveillance System activities, alfalfa plants from Atoyac, Jalisco showing stunting, shortened internodes, buds and leaves deformed as well as change leaf coloration, suspicious symptoms produced by foliar nematodes were analyzed. Roots, leaves + buds and stems tissues were analyzed separately. Classical taxonomy, molecular and phylogenetic analysis of two ribosomal DNA markers were performed on specimens detected. Ditylenchus genus specimens were detected and isolated only in leaves + buds and stems. The species identity based on females and males morphotaxonomy belonged to the stem nematode D. dipsaci. The PCR-RFLP restriction pattern of ITS1-5.8S-ITS2 displayed by RsaI enzyme was 335, 280, 200, and 132 bp, while for the enzyme HinfI the pattern was 400 and 300 bp. The BLASTING aligment showed 99% homology with D. dipsaci (E=0.0). The phylogenetic reconstruction of both markers according the bayesian posterior probabilities criteria placed the alfalfa mexican population within the clade that includes several D. dipsaci sensu stricto populations. To our knowledge, this is the first report of D. dipsaci affecting alfalfa in western Mexico.]]></p></abstract>
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<kwd lng="es"><![CDATA[Vigilancia fitosanitaria]]></kwd>
<kwd lng="es"><![CDATA[taxonomía]]></kwd>
<kwd lng="es"><![CDATA[filogenia]]></kwd>
<kwd lng="es"><![CDATA[molecular]]></kwd>
<kwd lng="es"><![CDATA[DNA ribosomal]]></kwd>
<kwd lng="en"><![CDATA[Phytosanitary surveillance]]></kwd>
<kwd lng="en"><![CDATA[taxonomy]]></kwd>
<kwd lng="en"><![CDATA[phylogeny]]></kwd>
<kwd lng="en"><![CDATA[molecular]]></kwd>
<kwd lng="en"><![CDATA[ribosomal DNA]]></kwd>
</kwd-group>
</article-meta>
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