<?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>0065-1737</journal-id>
<journal-title><![CDATA[Acta zoológica mexicana]]></journal-title>
<abbrev-journal-title><![CDATA[Acta Zool. Mex]]></abbrev-journal-title>
<issn>0065-1737</issn>
<publisher>
<publisher-name><![CDATA[Instituto de Ecología A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0065-17372017000200339</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Detección de Rickettsia rickettsii Brumpt (Rickettsiales: Rickettsiaceae) en la garrapata café del perro Rhipicephalus sanguineus Latreille (Ixodida: Ixodidae) en la Comarca Lagunera, zona reemergente de Fiebre Manchada en México]]></article-title>
<article-title xml:lang="en"><![CDATA[Detection of Rickettsia rickettsii Brumpt (Rickettsiales: Rickettsiaceae) in the brown dog tick Rhipicephalus sanguineus Latreille (Ixodida: Ixodidae) in the Comarca Lagunera, a reemergent Spotted Fever zone in Mexico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castillo-Martínez]]></surname>
<given-names><![CDATA[Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cueto-Medina]]></surname>
<given-names><![CDATA[Saraí M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Valdés-Perezgasga]]></surname>
<given-names><![CDATA[María Teresa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez-Ramos]]></surname>
<given-names><![CDATA[Francisco J.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López-Hernández]]></surname>
<given-names><![CDATA[Javier]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández-Rodríguez]]></surname>
<given-names><![CDATA[Sergio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ortega-Morales]]></surname>
<given-names><![CDATA[Aldo I.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma Agraria Antonio Narro  ]]></institution>
<addr-line><![CDATA[Torreón Coahuila]]></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>33</volume>
<numero>2</numero>
<fpage>339</fpage>
<lpage>344</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0065-17372017000200339&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0065-17372017000200339&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0065-17372017000200339&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: La Fiebre Manchada de las Montañas Rocosas es una enfermedad reemergente en la Comarca Lagunera, ya que en los últimos años se han reportado numerosos casos en pacientes humanos. Para detectar la presencia de Rickettsia rickettsii (Brumpt, 1922) en la garrapata café del perro, se realizaron colectas aisladas en siete áreas rurales y una área periurbana de la Comarca Lagunera de Coahuila y Durango, durante junio 2015 a febrero 2016. Se colectaron de manera directa 840 garrapatas hembras a repleción sobre 168 perros domésticos (cinco garrapatas por perro), las cuales se depositaron en viales de 2 ml. Las garrapatas se llevaron al Laboratorio de Parasitología de la Universidad Autónoma Agraria Antonio Narro Unidad Laguna, donde se identificaron como Rhipicephalus sanguineus (Latreille, 1806). Para el análisis molecular se eligieron al azar 3 garrapatas por muestra para conformar 195 pools, en cada uno de los cuales se realizó la extracción de órganos internos y contenido estomacal. Para obtener ADN de cada pool se empleó la técnica del CTAB, se amplificó el gen gltA mediante ensayos de PCR usando un termociclador y un iniciador genérico (Forward: RpCS.877p, Reverse: RpCS.1258n). Ocho pools resultaron positivos a Rickettsia rickettsii con una frecuencia del 6.9% (2/29) en la colonia Leticia Herrera (Gómez Palacio, Durango), un pool positivo (1/26= 3.85%) para Parras (Coahuila) y cinco pools para el municipio de Matamoros, Coahuila correspondientes a los ejidos Granada (2/28=7.1%), Alamito (1/23=4.35%), Consuelo (1/32= 3.13%) y Vizcaya (1/19=5.25%). Por medio de una secuenciación se obtuvo una identidad del 100% a la cepa Brasileña 647 (KJ588069.1) de Rickettsia rickettsii y 99% de similitud con las extracciones del InDRE (KU587806.1 y KT881097.1).]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: Rocky Mountain Spotted fever is a reemergent disease in the Comarca Lagunera, since numerous human cases have been reported in the last few years. In order to detect the presence of Rickettsia rickettsii Brumpt in dog´s brown ticks, single collections of ticks were conducted in seven rural areas and a periurban area in the Comarca Lagunera of Coahuila and Durango from June 2015 through february 2016. Direct collection of 840 engorged female ticks on 168 home dogs was carried out (5 ticks per dog), which were contained in two ml vials. Ticks were identified as Rhipicephalus sanguineus Latreille in the Parasitology Laboratory of the Universidad Autonoma Agraria Antonio Narro Unidad Laguna. For the molecular analysis three ticks per sample ticks were randomly selected, forming 195 pools. Each tick was subjected to extraction of internal organs and stomachal content. CTAB technique was used on each pool in order to obtain DNA, gltA gene was amplified using PCR assays with thermocyclator and a generic primer (Forward: RpCS.844p, Reverse: RpCS. 1258n). Eight pools resulted positive to Rickettsia rickettsii with a frecuency of 6.9% (2/29) in the colony Leticia Herrera (Gomez Palacio, Durango), one (1/26= 3.85%) for Parras (Coahuila) and five pools for the municipality of Matamoros (Coahuila) in Granada (2/28=7.1%), Alamito (1/23=4.35%), Consuelo (1/32=3.13%) and Vizcaya (1/19=5.25%). By means of sequenciation 100% identification for Rickettsia rickettsii Brazilian strain 647 (KJ588069.1) and 99% for InDRE stractions (KU587806.1 and KT881097.1) were obtained.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Rickettsia rickettsii]]></kwd>
<kwd lng="es"><![CDATA[Fiebre Manchada]]></kwd>
<kwd lng="es"><![CDATA[garrapatas]]></kwd>
<kwd lng="es"><![CDATA[técnica CTAB]]></kwd>
<kwd lng="en"><![CDATA[Rickettsia rickettsii]]></kwd>
<kwd lng="en"><![CDATA[spotted fever]]></kwd>
<kwd lng="en"><![CDATA[ticks]]></kwd>
<kwd lng="en"><![CDATA[CTAB technique]]></kwd>
</kwd-group>
</article-meta>
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