{"id":40994,"date":"1999-01-01T00:00:00","date_gmt":"1999-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/caracterizacion-y-diagnostico-molecular-de-las-cepas-de-colletotrichum-patogenas-en-plantas-de-fresa\/"},"modified":"1999-01-01T00:00:00","modified_gmt":"1999-01-01T00:00:00","slug":"caracterizacion-y-diagnostico-molecular-de-las-cepas-de-colletotrichum-patogenas-en-plantas-de-fresa","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/caracterizacion-y-diagnostico-molecular-de-las-cepas-de-colletotrichum-patogenas-en-plantas-de-fresa\/","title":{"rendered":"Caracterizacion y diagnostico molecular de las cepas de colletotrichum patogenas en plantas de fresa."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Pedro Vicente Martinez Culebras <\/strong><\/h2>\n<p>La antracnosis es una micosis que afecta al cultivo de la fresa y que produce importantes perdidas econ\u00f3micas en el sector. Los agentes causales son hongos del g\u00e9nero colletotrichum pertenecientes a las especies c. Fragariae, c. Gloeosporioides y c. acutatum. La posible introducci\u00f3n de estos pat\u00f3genos desde regiones end\u00e9micas hacia otras que no lo son, obliga a disponer de unas medidas adecuadas de control.  para ello, se llevo a cabo una caracterizaci\u00f3n molecular de una colecci\u00f3n de cepas de colletotrichum pertenecientes a las especies anteriores, mediante el an\u00e1lisis de restricci\u00f3n del fragmento de dna ribosomal que incluye las dos regiones interg\u00e9nicas its1 e its2 y el gen que codifica el rna 5,8s, y mediante el empleo de la t\u00e9cnica de rapds. Los resultados nos permitieron identificar las especies de colletotichum que producen antracnosis en plantas de fresa de otras especies del g\u00e9nero, y mediante ellos se pudo dividir las cepas en una serie de grupos moleculares.  se realiz\u00f3 un an\u00e1lisis filogen\u00e9tico del fragmento de dna ribosomal anterior, de todas aquellas cepas que presentaron variabilidad molecular, confirmando la divisi\u00f3n principal de las cepas en dos grandes grupos, centrados en las especies c. acutatum y c. Gloeosporioides. Se encontr\u00f3 una gran divergencia la especie c. Acutatum y muy poca entre las especies de c. Fragariae y c. Gloeosporioides.  la informaci\u00f3n obtenida con la caracterizaci\u00f3n molecular, junto con los datos de secuencia, permitieron el desarrollo de m\u00e9todos de diagn\u00f3stico por pcr para los pat\u00f3genos c. Acutatum y c. fragariae, que resultan m\u00e1s eficaces en la detecci\u00f3n de estos pat\u00f3genos que los m\u00e9todos empleados hasta el momento. La utilizaci\u00f3n de esta tecnolog\u00eda permite obtener resultados en un d\u00eda de trabajo, frente al tiempo de una o dos semanas requerido por las t\u00e9cnicas convencionales, lo que facilita el transporte del material vegetal a lo largo de la ue bajo las<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Caracterizacion y diagnostico molecular de las cepas de colletotrichum patogenas en plantas de fresa.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Caracterizacion y diagnostico molecular de las cepas de colletotrichum patogenas en plantas de fresa. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Pedro Vicente Martinez Culebras <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Universitat de val\u00e9ncia (estudi general)<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1999<\/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>Amparo Querol Simon<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: federico Uruburu fern\u00e1ndez <\/li>\n<li>Jos\u00e9 Garcia gimenez (vocal)<\/li>\n<li>enrique Monte vazquez (vocal)<\/li>\n<li>ricardo Amils pibernat (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Pedro Vicente Martinez Culebras La antracnosis es una micosis que afecta al cultivo de la fresa y [&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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