{"id":5418,"date":"2024-04-02T16:04:52","date_gmt":"2024-04-02T16:04:52","guid":{"rendered":"https:\/\/semillanueva.org\/?p=5418"},"modified":"2024-11-13T16:09:22","modified_gmt":"2024-11-13T16:09:22","slug":"a-game-changer-in-breeding-maize-for-better-nutrition","status":"publish","type":"post","link":"https:\/\/semillanueva.org\/es\/a-game-changer-in-breeding-maize-for-better-nutrition\/","title":{"rendered":"Imaginar una vida con m\u00e1s oportunidades"},"content":{"rendered":"<p>En febrero,<strong>\u00a0Semilla Nueva lanza su primer proyecto de edici\u00f3n gen\u00e9tica con cient\u00edficos de la Universidad de Wisconsin<\/strong>. Esta tecnolog\u00eda podr\u00eda transformar la capacidad de Semilla Nueva para ampliar la producci\u00f3n de ma\u00edz biofortificado.<\/p>\n<p>\"Imagina un par de diminutas tijeras de precisi\u00f3n que nos permiten insertar un gen para la nutrici\u00f3n en el ADN de una variedad de ma\u00edz conocida por sus altos rendimientos y su resistencia al clima\", explica Enrique Kreff, Director de Mejora Gen\u00e9tica de Semilla Nueva. \"Las herramientas de edici\u00f3n gen\u00e9tica como CRISPR nos permiten realizar estos cambios en el lugar exacto del ADN de la planta donde se encuentra un rasgo deseado, como el contenido de Zinc o Hierro. Este enfoque puede obviar a\u00f1os de mejora tradicional, haciendo mucho m\u00e1s barato y r\u00e1pido biofortificar cualquier semilla de ma\u00edz para cualquier parte del mundo.\"<\/p>\n<p>Enrique explica que desde\u00a0<strong>nuestro uso de la edici\u00f3n gen\u00e9tica implicar\u00e1 modificaciones gen\u00e9ticas menores, las semillas resultantes se considerar\u00e1n no OMG.<\/strong><\/p>\n<p>Hasta ahora, Semilla Nueva se ha basado en un m\u00e9todo de mejora convencional denominado \"retrocruzamiento\", mediante el cual un rasgo deseado en una variedad (como el contenido de zinc) se introduce en otra con caracter\u00edsticas deseadas (como un alto rendimiento) a trav\u00e9s de sucesivas generaciones de siembra, selecci\u00f3n y replantaci\u00f3n. Este proceso requiere entre 4 y 6 a\u00f1os y hasta $300.000 por h\u00edbrido relacionado. CRISPR podr\u00eda reducir el tiempo y el coste a un a\u00f1o y $30.000, respectivamente.<\/p>\n<p>Seg\u00fan el Director Ejecutivo de Semilla Nueva, Curt Bowen,\u00a0<strong>\"La edici\u00f3n gen\u00e9tica podr\u00eda suponer un verdadero cambio de juego para nosotros, haciendo posible biofortificar de forma r\u00e1pida y barata la mejor semilla posible para cualquier lugar del mundo\".<\/strong><\/p>\n<p>Aunque su potencial es apasionante, el uso de CRISPR en el cultivo de ma\u00edz, especialmente para mejoras nutricionales, es todav\u00eda relativamente nuevo. Enrique lo explica,\u00a0<strong>\"El primer paso de nuestro proyecto de tres a\u00f1os se centra en estudiar 15 genes que hemos identificado como potencialmente responsables de mejorar el contenido nutricional del ma\u00edz. A partir de ah\u00ed, seleccionaremos entre 4 y 6 de los genes m\u00e1s prometedores y utilizaremos CRISPR para biofortificar el ma\u00edz desarrollado por el Gobierno de Guatemala para las regiones monta\u00f1osas, as\u00ed como otras semillas para Am\u00e9rica Central y \u00c1frica.\"<\/strong><\/p>\n<p>Esperamos mantenerle informado de nuestros progresos.<\/p>","protected":false},"excerpt":{"rendered":"<p>En febrero, Semilla Nueva puso en marcha su primer proyecto de edici\u00f3n gen\u00e9tica con cient\u00edficos de la Universidad de Wisconsin. Esta tecnolog\u00eda podr\u00eda transformar la capacidad de Semilla Nueva para ampliar el ma\u00edz biofortificado. \"Imaginemos un par de diminutas tijeras de precisi\u00f3n que nos permiten insertar un gen para la nutrici\u00f3n en el ADN de una variedad de ma\u00edz conocida por sus altos rendimientos...<\/p>","protected":false},"author":1,"featured_media":5419,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-5418","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>A Game-Changer in Breeding Maize for Better Nutrition - New Seed<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/semillanueva.org\/es\/a-game-changer-in-breeding-maize-for-better-nutrition\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"A Game-Changer in Breeding Maize for Better Nutrition - New Seed\" \/>\n<meta property=\"og:description\" content=\"In February,\u00a0Semilla Nueva launched its first gene editing project with scientists at the University of Wisconsin. 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