<?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>2007-1124</journal-id>
<journal-title><![CDATA[Revista mexicana de ciencias pecuarias]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. mex. de cienc. pecuarias]]></abbrev-journal-title>
<issn>2007-1124</issn>
<publisher>
<publisher-name><![CDATA[Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-11242022000100311</article-id>
<article-id pub-id-type="doi">10.22319/rmcp.v13i1.5890</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Incubación, pre-lisis y post-purificación en el rendimiento y pureza de ácidos nucleicos extraídos de sangre de cabras domésticas contenida en tarjetas FTA]]></article-title>
<article-title xml:lang="en"><![CDATA[Incubation, pre-lysis and post-purification on the yield and purity of nucleic acids extracted from blood of domestic goats contained in FTA cards]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sancho-Blanco]]></surname>
<given-names><![CDATA[Carolina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Jiménez-Alfaro]]></surname>
<given-names><![CDATA[Esteban J.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Molina-Bravo]]></surname>
<given-names><![CDATA[Ramón]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Umaña-Castro]]></surname>
<given-names><![CDATA[Rodolfo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional  Facultad de Ciencias Exactas y Naturales, Escuela de Ciencias Biológicas]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional Facultad de Ciencias de la Tierra y el Mar Escuela de Ciencias Agrarias]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Nacional Facultad de Ciencias de la Tierra y el Mar Escuela de Ciencias Agrarias]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2022</year>
</pub-date>
<volume>13</volume>
<numero>1</numero>
<fpage>311</fpage>
<lpage>322</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-11242022000100311&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-11242022000100311&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-11242022000100311&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Técnicas moleculares requieren extracciones de ácidos nucleicos en cantidad y pureza adecuadas. Este trabajo describe un modelo lineal generalizado (GLM) de un factor ajustado con efectos fijos sobre el rendimiento de ácido nucleico (ng/&#956;l) y la pureza (A260/A280 y A260/A230), para cinco métodos de extracción de ADN utilizando tarjetas FTA con sangre de cabra (Capra aegagrus hircus). Se ensayaron dos métodos comerciales basados en columnas de sílice (Invitrogen y Macherey Nagel; MN), método resina quelante (Chelex), método CTAB y el método de fenol-cloroformo-alcohol isoamílico (PCI). Adicionalmente, para MN, se evaluó una etapa de incubación con tampón PBS (Phosphate Buffered Saline) en alta temperatura previa a la lisis y una etapa de purificación posterior a la extracción utilizando un modelo de efecto fijo de dos factores con interacción. Las concentraciones de ADN y las proporciones de pureza fueron variables; la concentración más alta se obtuvo con el kit MN (170.45 ng/&#956;l), pero con deficiencias en la pureza (0.32 de A260/A230, 0.34 de A260/A280). A pesar de esto, todos los métodos de extracción generaron productos PCR con cebadores específicos D-loop (ADNmt). El efecto combinado de las etapas de pre-incubación y post-purificación arrojó valores de pureza satisfactorios (1.89 para A260/A230 y 1.65 para A260/A280), así como relaciones de concentración (476.78 ng/&#956;l) con baja variabilidad. En conclusión, la concentración y pureza del ADN de muestras de sangre mejora considerablemente cuando se usa un kit comercial en combinación con incubación previa a la lisis y purificación posterior a la extracción. Estos ácidos nucleicos se sugieren para uso en potenciales aplicaciones moleculares a posteriori.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Molecular techniques require extractions of nucleic acids in adequate quantity and purity. This work describes a generalized linear model (GLM) of an adjusted factor with fixed effects on nucleic acid yield (ng/&#956;l) and purity (A260/A280 and A260/A230), for five methods of DNA extraction using FTA cards with goat (Capra aegagrus hircus) blood. Two commercial methods based on silica columns (Invitrogen and Macherey Nagel; MN), the chelating resin method (Chelex), the CTAB method and the phenol-chloroform-isoamyl alcohol (PCI) method were tested. Additionally, for MN, an incubation step with PBS (Phosphate Buffered Saline) buffer at high temperature prior to lysis and a purification step post extraction were evaluated using a fixed-effect model of two factors with interaction. DNA concentrations and purity ratios were variable; the highest concentration was obtained with the MN kit (170.45 ng/&#956;l), but with deficiencies in purity (0.32 of A260/A230, 0.34 of A260/A280). Despite this, all extraction methods generated PCR products with specific D-loop primers (mtDNA). The combined effect of the pre-incubation and post-purification stages yielded satisfactory purity values (1.89 for A260/A230 and 1.65 for A260/A280), as well as concentration ratios (476.78 ng/&#956;l) with low variability. In conclusion, the concentration and purity of DNA from blood samples is greatly improved when using a commercial kit in combination with pre-lysis incubation and post-extraction purification. These nucleic acids are suggested for use in potential molecular applications a posteriori.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[ADN]]></kwd>
<kwd lng="es"><![CDATA[Columnas de sílice]]></kwd>
<kwd lng="es"><![CDATA[CTAB]]></kwd>
<kwd lng="es"><![CDATA[Fenol-cloroformo]]></kwd>
<kwd lng="es"><![CDATA[Chelex]]></kwd>
<kwd lng="es"><![CDATA[PCR]]></kwd>
<kwd lng="es"><![CDATA[Rumiantes menores]]></kwd>
<kwd lng="en"><![CDATA[DNA]]></kwd>
<kwd lng="en"><![CDATA[Silica columns]]></kwd>
<kwd lng="en"><![CDATA[CTAB]]></kwd>
<kwd lng="en"><![CDATA[Phenol-chloroform]]></kwd>
<kwd lng="en"><![CDATA[Chelex]]></kwd>
<kwd lng="en"><![CDATA[PCR]]></kwd>
<kwd lng="en"><![CDATA[Small ruminants]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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