[English-Español] ARROZ: CREAN UNA HERRAMIENTA PARA LA VERIFICACIÓN DE CULTIVARES

Rice: create a tool for verification of cultivars
Rice: create a tool for verification of cultivars
A public-private consortium composed of specialists from the INTA and the -dependent INASE of the Ministry of Agriculture of the Nation with the company Adecoagro SA, obtained the first molecular database for characterization of germplasm cereal that is marketed in the country. Achieving seeks to strengthen legal trade of seed.
Wednesday September 2, 2020
In an unprecedented, a public-private consortium composed of companies Adecoagro SA, copra SA, Ebro SA, RiceTec SA, the Ministry of Production of the Province of Santa Fe (MPSF), the National University of La Plata (UNLP ), the National Seed Institute (INASE) and INTA created the first molecular database for characterization of germplasm of rice sold in the country. Achieving seeks to strengthen legal trade in seed and gathers information on cultivars marketed in the last 50 years in Argentina.
"Currently, the analysis of DNA sequences is the most accurate method for individuals to identify a species," said José Colazo, a specialist in plant breeding INTA Concepción of the Uruguay Between Ríos-, adding: "While it is a tool used in other crops, such as soybeans and cotton, rice application is a novelty ".
Thanks to the use of chip technology C7AIR- Cornell-IR LD Array Rice, rice cultivation in Argentina are the first molecular database. "By using a support marketed by Illumina, nano-wells formed which are deposited silica beads coated with probes, can detect differences in the DNA sequences of the cultivars" said Colazo.
According to the specialist INTA, it is one of the tools more Genotyping rice to be used globally, because it brings together the most informative molecular markers earlier chip and identifies all subsets of populations existing rice in the world.
"In our reference collection, 6173 obtained molecular markers that will be useful to know the genetic diversity of our materials," Colazo who said that its implementation will be very useful in breeding programs said.
Together with bioinformatics specialists of the Faculty of Sciences Natural (FCEN) at the University of Buenos Aires, Colazo works to reach a set of molecular markers to identify varieties of rice sold in the country. "In the future, the aim is to incorporate this type of genetic description complementary descriptions of cultivars in INASE and incorporate it into future registrations of varieties in the catalog of the Institute," he said Colazo.
Arroz: crean una herramienta para la verificación de cultivares
Arroz: crean una herramienta para la verificación de cultivares
Un consorcio público-privado, integrado por especialistas del INTA y del INASE –dependientes del Ministerio de Agricultura de la Nación– junto con la empresa Adecoagro S. A. , obtuvo la primera base de datos moleculares para la caracterización del germoplasma del cereal que se comercializa en el país. El logro busca fortalecer el comercio de semilla legal.
miércoles 02 de septiembre de 2020
En un trabajo sin precedentes, un consorcio público-privado integrado por las empresas Adecoagro S. A. , COPRA S. A. , Ebro S. A. , RiceTec S. A. , el Ministerio de la Producción de la Provincia de Santa Fe (MPSF), la Universidad Nacional de la Plata (UNLP), el Instituto Nacional de Semillas (INASE) y el INTA creó la primera base de datos moleculares para la caracterización del germoplasma de arroz que se comercializa en el país. El logro busca fortalecer el comercio de semilla legal y reúne información sobre los cultivares comercializados en los últimos 50 años en la Argentina.
"En la actualidad, el análisis de secuencias de ADN es la metodología más precisa para identificar individuos de una misma especie", indicó José Colazo, especialista en mejoramiento genético vegetal del INTA Concepción del Uruguay –Entre Ríos–, y agregó: "Si bien se trata de una herramienta que se usa en otros cultivos, como soja y algodón, su aplicación en arroz es toda una novedad".
Gracias al uso de la tecnología chip C7AIR- Cornell-IR LD Rice Array, el cultivo de arroz en la Argentina tienen la primera base de datos moleculares. "Mediante el uso de un soporte comercializado por la empresa Illumina, formado por nano-pocillos donde se depositan cuentas de sílice recubiertas con sondas, se pueden detectar las diferencias en las secuencias de ADN de los cultivares", expresó Colazo.
De acuerdo con el especialista del INTA, se trata de una de las herramientas más avanzadas en genotipado de arroz para ser utilizada a escala global, debido a que reúne los marcadores moleculares más informativos de chips anteriores y permite identificar todos los subgrupos de las poblaciones de arroz existentes en el mundo.
"En nuestra colección de referencia, obtuvimos 6173 marcadores moleculares que serán de utilidad para conocer la diversidad genética de nuestros materiales", señaló Colazo quien aseguró que su puesta en práctica será de mucha utilidad en programas de mejoramiento genético.
Junto con especialistas en bioinformática de la Facultad de Ciencias Exactas y Naturales (FCEN) de la Universidad de Buenos Aires, Colazo trabaja para llegar a un set de marcadores moleculares que permitan identificar las variedades de arroz comercializadas en el país. "A futuro, el objetivo es incorporar este tipo de descripción genética complementaria a las descripciones de los cultivares en el INASE e incorporarla a los futuros registros de variedades en el catálogo del Instituto", puntualizó Colazo.

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