{"id":60934,"date":"2018-03-09T22:48:47","date_gmt":"2018-03-09T22:48:47","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/mejora-genetica-para-la-resistencia-a-los-geminivirus-tomato-yellow-leaf-curl-virus-tylcv-y-tomato-yellow-leaf-curl-sardinia-virus-tylcsv-en-tomate\/"},"modified":"2018-03-09T22:48:47","modified_gmt":"2018-03-09T22:48:47","slug":"mejora-genetica-para-la-resistencia-a-los-geminivirus-tomato-yellow-leaf-curl-virus-tylcv-y-tomato-yellow-leaf-curl-sardinia-virus-tylcsv-en-tomate","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/genetica-vegetal\/mejora-genetica-para-la-resistencia-a-los-geminivirus-tomato-yellow-leaf-curl-virus-tylcv-y-tomato-yellow-leaf-curl-sardinia-virus-tylcsv-en-tomate\/","title":{"rendered":"Mejora gen\u00e9tica para la resistencia a los geminivirus tomato yellow leaf curl virus (tylcv) y tomato yellow leaf curl sardinia virus (tylcsv) en tomate"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Ana Mar\u00eda P\u00e9rez De Castro <\/strong><\/h2>\n<p>La enfermedad del rizado amarillo del tomate (tomato yellow leaf curl disease, tylcd) causa graves da\u00f1os en los cultivos de tomate (solanum lycopersicum l.) Del sudeste espa\u00f1ol y de la mayor parte de las zonas tropicales y subtropicales de todo el mundo. La enfermedad est\u00e1 causada por un complejo de virus pertenecientes al g\u00e9nero begomovirus, familia geminiviridae. Se han descrito nueve especies causantes de tylcd y otras seis han sido propuestas. En espa\u00f1a est\u00e1n presentes cuatro de las especies virales asociadas a tylcd. Las medidas preventivas de lucha contra la enfermedad, as\u00ed como las basadas en el control del insecto vector transmisor (bemisia tabaci gen.) No resultan efectivas por si mismas, de forma que el desarrollo de materiales resistentes supone la mejor estrategia de lucha a largo plazo. Dado que en la especie cultivada no se han descrito entradas resistentes, la b\u00fasqueda de fuentes de resistencia se ha centrado en las especies silvestres del g\u00e9nero relacionadas con el tomate. Se ha encontrado resistencia en distintas entradas de algunas de estas especies y se han desarrollado l\u00edneas de mejora y materiales comerciales con resistencia procedente de algunas de ellas. El gen ty-1, derivado de la entrada la1969 de s. Chilense, ha sido el m\u00e1s empleado para la obtenci\u00f3n de l\u00edneas e h\u00edbridos comerciales resistentes. Por otra parte, haciendo uso de los avances en las t\u00e9cnicas de ingenier\u00eda gen\u00e9tica, tambi\u00e9n se han desarrollado materiales con resistencia derivada del pat\u00f3geno.   sin embargo, los materiales resistentes disponibles hasta el momento no suponen una soluci\u00f3n definitiva al problema, ya que, con presiones fuertes de in\u00f3culo o infecciones tempranas, las plantas desarrollan s\u00edntomas de la enfermedad, produci\u00e9ndose p\u00e9rdidas de producci\u00f3n. Por este motivo, numerosos grupos de investigaci\u00f3n contin\u00faan trabajando a nivel mundial con la finalidad de obtener materiales con niveles elevados de resistencia a tylcd.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Mejora gen\u00e9tica para la resistencia a los geminivirus tomato yellow leaf curl virus (tylcv) y tomato yellow leaf curl sardinia virus (tylcsv) en tomate<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Mejora gen\u00e9tica para la resistencia a los geminivirus tomato yellow leaf curl virus (tylcv) y tomato yellow leaf curl sardinia virus (tylcsv) en tomate <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Ana Mar\u00eda P\u00e9rez De Castro <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Polit\u00e9cnica de Valencia<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 19\/10\/2007<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li> D\u00edez Nicl\u00f3s M\u00aa Jos\u00e9 Teresa De Jes\u00fas<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: rosa De frutos ill\u00e1n <\/li>\n<li>enrique Moriones alonso (vocal)<\/li>\n<li>eduardo Rodr\u00edguez bejarano (vocal)<\/li>\n<li> L\u00f3pez del rinc\u00f3n carmelo (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Ana Mar\u00eda P\u00e9rez De Castro La enfermedad del rizado amarillo del tomate (tomato yellow leaf curl disease, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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