<?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>0187-7380</journal-id>
<journal-title><![CDATA[Revista fitotecnia mexicana]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. fitotec. mex]]></abbrev-journal-title>
<issn>0187-7380</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Fitogenética A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0187-73802022000100075</article-id>
<article-id pub-id-type="doi">10.35196/rfm.2022.1.75</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Marcadores moleculares issr para identificación de hijuelos de agaves]]></article-title>
<article-title xml:lang="en"><![CDATA[Issr molecular markers for identification of agave sprouts]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vega-Ramos]]></surname>
<given-names><![CDATA[Karla L.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gutierrez-Coronado]]></surname>
<given-names><![CDATA[Marco A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gómez-Leyva]]></surname>
<given-names><![CDATA[Juan F.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Tecnológico de Sonora  ]]></institution>
<addr-line><![CDATA[Ciudad Obregón Sonora]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Tecnológico de Tlajomulco  ]]></institution>
<addr-line><![CDATA[Tlajomulco Jalisco]]></addr-line>
<country>México</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>45</volume>
<numero>1</numero>
<fpage>75</fpage>
<lpage>81</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0187-73802022000100075&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0187-73802022000100075&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0187-73802022000100075&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN México cuenta con una gran diversidad de especies de Agave, lo que ha permitido el aprovechamiento de sus azúcares fermentables para la elaboración de bebidas alcohólicas como el tequila y el mezcal. Ambos productos están protegidos con una denominación de origen, pero elaborados a partir de agaves distintos. Cuando el mezcal puede elaborarse a partir de más de 14 especies de Agave, el tequila sólo se produce a partir del Agave tequilana Weber cv azul. En años recientes, se han incorporado nuevos productores de mezcal que no cuentan con la habilidad en la identificación de material para propagar, siendo la caracterización morfológica de los hijuelos una alternativa, lo cual resulta una tarea demandante y en ocasiones poco precisa, debido a la falta de experiencia. Con la finalidad de contar con una herramienta rápida y confiable en la identificación de especies de Agave, se evaluaron marcadores ISSR (Inter Secuencias Simples Repetidas) para detectar polimorfismos entre especies de Agave tequilana, A. angustifolia, A. potatorum y A. karwinskii, estos tres últimos utilizados en la producción de mezcal. Empleando hijuelos de cada especie, se evaluaron seis iniciadores ISSR, presentando un patrón de amplificación diferencial y consistente. A partir de nueve parámetros morfológicos se determinó por medio de análisis de componentes principales (ACP) que los primeros tres componentes representan el 70% de la variación, con lo que se logra identificar las especies de agaves evaluadas, lo que coincide en el agrupamiento de éstas con el obtenido a partir de los marcadores ISSR. Se considera que los seis iniciadores evaluados son una herramienta rápida y efectiva para la diferenciación genética entre las especies y que puede apoyar a las organizaciones regulatorias al cumplimiento de las normativas para asegurar la calidad del mezcal y el tequila, así mismo a las grandes destilerías o palenques que tienen la necesidad de comprar a terceros su materia prima.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[SUMMARY Mexico has a great diversity of Agave species, which has allowed the use of its fermentable sugars for production of alcoholic beverages such as tequila and mezcal. Both products are protected with a designation of origin but made from different agaves. While mezcal can be made from more than 14 species of Agave, tequila is only produced from Agave tequilana Weber cv azul. In recent years, new mezcal producers have been incorporated that do not have the ability to identify material to propagate, being the morphological characterization of the suckers an alternative, which is a demanding and sometimes inaccurate task, due to the lack of experience. In order to have a fast and reliable tool for the identification of Agave species, ISSR markers (Inter Simple Sequence Repeats) were evaluated to detect polymorphisms between species of Agave tequilana, A. angustifolia, A. potatorum and A. karwinskii, the last three used in the production of mezcal. Using suckers of each species, six ISSR primers were evaluated, presenting a differential and consistent amplification pattern. Using nine morphological parameters, it was determined by principal component analysis (PCA) that the first three components represent 70% of the variation, with which it is possible to identify the evaluated agave species, which coincides in the grouping of these, with that obtained from the ISSR markers. The six primers evaluated are considered to be a fast and effective tool for genetic differentiation between species and that they can support regulatory organizations in complying with regulations to ensure the quality of mezcal and tequila, as well as large distilleries or palenques that have the need to buy their raw material from third parties.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[ISSR]]></kwd>
<kwd lng="es"><![CDATA[mezcal]]></kwd>
<kwd lng="es"><![CDATA[polimorfismo]]></kwd>
<kwd lng="es"><![CDATA[tequila]]></kwd>
<kwd lng="en"><![CDATA[ISSR]]></kwd>
<kwd lng="en"><![CDATA[mezcal]]></kwd>
<kwd lng="en"><![CDATA[polymorphism]]></kwd>
<kwd lng="en"><![CDATA[tequila]]></kwd>
</kwd-group>
</article-meta>
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