<?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>S2007-09342018001001691</article-id>
<article-id pub-id-type="doi">10.29312/remexca.v9i8.872</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Comparación de protocolos de aislamiento de DNA a partir de semilla de soya]]></article-title>
<article-title xml:lang="en"><![CDATA[Comparison of DNA isolation protocols from soybean]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Guzmán Rodríguez]]></surname>
<given-names><![CDATA[Luis Felipe]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cortés Cruz]]></surname>
<given-names><![CDATA[Moisés Alberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pichardo González]]></surname>
<given-names><![CDATA[Juan Manuel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arteaga Garibay]]></surname>
<given-names><![CDATA[Ramón Ignacio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias Centro Nacional de Recursos Genéticos ]]></institution>
<addr-line><![CDATA[Jalisco ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2018</year>
</pub-date>
<volume>9</volume>
<numero>8</numero>
<fpage>1691</fpage>
<lpage>1701</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-09342018001001691&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-09342018001001691&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-09342018001001691&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La baja eficiencia de algunos protocolos de extracción de ácidos nucleicos y el alto costo de los productos comerciales, deriva en la comparación entre métodos. En el presente trabajo se compararon tres métodos de extracción de DNA a partir de semilla de soya, para obtener ácidos nucleicos de concentración y calidad adecuadas para amplificación por PCR. Los protocolos estudiados incluyeron los métodos con soluciones de CTAB al 1% y al 3%, con sarcosina al 1% y con fenol/cloroformo. Los experimentos se realizaron en el laboratorio de ADN y Genómicas del Centro Nacional de Recursos Genéticos-INIFAP. Se evaluaron el rendimiento, pureza, integridad y funcionalidad de los ácidos nucleicos obtenidos. En todos los métodos se consiguió rendimiento adecuado de DNA, sin embargo, la pureza requerida del material solo se obtuvo con la solución de fenol/cloroformo. Con los métodos de CTAB al 1% y 3% y sarcosina se observaron sustancias contaminantes inhibidoras de PCR, mientras que, con fenol/cloroformo los valores de la relación A260/280 estuvieron en un rango de 1.96 a 2.00 y la relación A260/230 en un rango de 1.75 a 2.44, con diferencias significativas (p&lt; 0.0001) con el resto de los métodos, además, el DNA fue de alto peso molecular y se obtuvo amplificado del gen rbcL por PCR en todas las muestras. El uso del protocolo de fenol/cloroformo permitió obtener de semilla de soya, ácidos nucleicos de concentración y calidad adecuadas para amplificación por PCR.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The low efficiency of some nucleic acid extraction protocols and the high cost of commercial products, derives in the comparison between methods. In the present work three DNA extraction methods were compared from soybean, to obtain nucleic acids of adequate concentration and quality for PCR amplification. The protocols studied included the methods with 1% and 3% CTAB solutions, with 1% sarcosine and with phenol/chloroform. The experiments were carried out in the DNA and Genomics laboratory of the National Genetic Resources Center-INIFAP. The yield, purity, integrity and functionality of the obtained nucleic acids were evaluated. In all methods, adequate DNA yield was achieved, however, the required purity of the material was only obtained with the phenol/chloroform solution. With the methods of CTAB at 1% and 3% and sarcosine, PCR inhibiting substances were observed, while, with phenol/chloroform, the values of the A260/280 ratio were in a range of 1.96 to 2.00 and the A260/230 ratio in a range of 1.75 to 2.44, with significant differences (p&lt; 0.0001) with the rest of the methods, in addition, the DNA was of high molecular weight and the rbcL gene was amplified by PCR in all the samples. The use of the phenol/chloroform protocol allowed to obtain from soybean, nucleic acids of adequate concentration and quality for PCR amplification.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[ácidos nucleicos]]></kwd>
<kwd lng="es"><![CDATA[calidad del DNA]]></kwd>
<kwd lng="es"><![CDATA[extracción de DNA]]></kwd>
<kwd lng="en"><![CDATA[DNA extraction]]></kwd>
<kwd lng="en"><![CDATA[DNA quality]]></kwd>
<kwd lng="en"><![CDATA[nucleic acids]]></kwd>
</kwd-group>
</article-meta>
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