<?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>0253-570X</journal-id>
<journal-title><![CDATA[Revista de Salud Animal]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Salud Anim.]]></abbrev-journal-title>
<issn>0253-570X</issn>
<publisher>
<publisher-name><![CDATA[Centro Nacional de Sanidad Agropecuaria]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0253-570X2018000200007</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Presence of Blastocystis spp. in the mollusc Crassostrea virginica, in Mexico City]]></article-title>
<article-title xml:lang="es"><![CDATA[Presencia de Blastocystis spp. en el molusco Crassostrea virginica, en la Ciudad de México]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez-Barbabosa]]></surname>
<given-names><![CDATA[Ignacio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gutiérrez-Cárdenas]]></surname>
<given-names><![CDATA[Elena Marcia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hamdan-Partida]]></surname>
<given-names><![CDATA[Aída]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bustos-Martínez]]></surname>
<given-names><![CDATA[Jaime]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Shea]]></surname>
<given-names><![CDATA[Michael]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma Metropolitana-Xochimilco Área de Ciencias Básicas Departamento de Atención a la Salud]]></institution>
<addr-line><![CDATA[ México D.F]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma Metropolitana- Xochimilco Departamento de Educación y Comunicación ]]></institution>
<addr-line><![CDATA[ México D.F]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2018</year>
</pub-date>
<volume>40</volume>
<numero>2</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0253-570X2018000200007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0253-570X2018000200007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0253-570X2018000200007&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT The aim of this study was to identify, by microscopic analysis and polymerase chain reaction (PCR), the presence of Blastocystis spp. in the mollusc Crassostrea virginica sold in Mexico City. Thirty specimens of the mollusc were obtained. The intestine of each was dissected and Blastocystis spp. was isolated from the faeces for microscopic analysis. Of those samples positive to Blastocystis, 15 (50 %) were selected, the genomic DNA was extracted and the PCR amplification of the 26S rRNA gene was performed. Of all the samples, a fragment of 1 770 bp was amplified in 13 of them. These results show the presence of Blastocystis spp. in the oysters.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN El objetivo de este trabajo fue identificar, mediante análisis microscópico y reacción en cadena de la polimerasa (PCR), la presencia de Blastocystis spp. en el molusco Crassostrea virginica vendido en mercados de la Ciudad de México. Se obtuvieron 30 ejemplares del molusco. Se disecó el intestino de cada uno y se aisló Blastocystis spp. de las heces para análisis microscópico. De las muestras positivas a Blastocystis spp. se seleccionaron 15 (50 %), se les realizó la extracción del ADN genómico y la amplificación por PCR del gen ARNr 26S. Del total de muestras, en 13 se amplificó un fragmento de 1 770 pb. Estos resultados muestran la presencia de Blastocystis spp. en las ostras.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Blastocystis spp.]]></kwd>
<kwd lng="en"><![CDATA[Crassostrea virginica]]></kwd>
<kwd lng="en"><![CDATA[oysters]]></kwd>
<kwd lng="en"><![CDATA[PCR]]></kwd>
<kwd lng="es"><![CDATA[Blastocystis spp.]]></kwd>
<kwd lng="es"><![CDATA[Crassostrea virginica]]></kwd>
<kwd lng="es"><![CDATA[ostras]]></kwd>
<kwd lng="es"><![CDATA[PCR]]></kwd>
</kwd-group>
</article-meta>
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