{"id":85391,"date":"2018-03-10T00:09:49","date_gmt":"2018-03-10T00:09:49","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estudio-de-factores-implicados-en-la-evolucion-del-virus-del-mosaico-del-pepino-y-de-su-rna-satelite\/"},"modified":"2018-03-10T00:09:49","modified_gmt":"2018-03-10T00:09:49","slug":"estudio-de-factores-implicados-en-la-evolucion-del-virus-del-mosaico-del-pepino-y-de-su-rna-satelite","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-agrarias\/estudio-de-factores-implicados-en-la-evolucion-del-virus-del-mosaico-del-pepino-y-de-su-rna-satelite\/","title":{"rendered":"Estudio de factores implicados en la evoluci\u00f3n del virus del mosaico del pepino y de su rna satelite"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Fernando Escriu Paradell <\/strong><\/h2>\n<p>El trabajo presentado en esta tesis analiza los factores implicados en la evoluci\u00f3n de la virulencia de un pat\u00f3geno de plantas en condiciones naturales: el viros del mosaico del pepino(cmv) y su rna satelite (rnasat) produciendo una epidemia de necrosis sistemica en los cultivos de tomate de la costa mediterranea. El analisis de la incidencia de la necrosis y de la frecuencia de aislados de cmv con rnasat en el campo, y la elevada correlaci\u00f3n entre los sintomas de necrosis y la presencia de varientes de rnasat necrog\u00e9nicas en tomate, indico que la poblaci\u00f3n de cmv y su rnasat evolucion\u00f3 hacia una menor virulencia. El analisis experimental de los factores de la eficacia biologica de cmv y de su rnasat ha permitido estimar la relaci\u00f3n existente entre los factores relacionados con la virulencia y los factores relacionados con la transmisi\u00f3n de este pat\u00f3geno. Dicha relaci\u00f3n se ha utilizado para realizar predicciones teoricas sobre la evoluci\u00f3n de la virulencia de cmv y de su rnasat mediante la aplicaci\u00f3n de modelos epidemiol\u00f3gicos de coevoluci\u00f3n huesped-pat\u00f3geno. Las predicciones obtenidas permiten explicar la expansi\u00f3n de los rnasat en la poblaci\u00f3n de cmv y su posterior desaparici\u00f3n, dando lugar a la evoluci\u00f3n de la poblaci\u00f3n de cmv y su rnasat hacia una menor virulencia. Los resultados de esta tesis destacan la importancia de los factores ecologicos, como la variaci\u00f3n de las poblaciones de vectores, en la evolucion de la virulencia de un patogeno de plantas en la naturaleza.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio de factores implicados en la evoluci\u00f3n del virus del mosaico del pepino y de su rna satelite<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio de factores implicados en la evoluci\u00f3n del virus del mosaico del pepino y de su rna satelite <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Fernando Escriu Paradell <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Polit\u00e9cnica de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 28\/06\/2000<\/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>arenal Rodriguez Garcia<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: eloy Mateo-sagasta azpeitia <\/li>\n<li>Andr\u00e9s Moya simarro (vocal)<\/li>\n<li>dionisio Lopez abella (vocal)<\/li>\n<li>pedro Moreno g\u00f3mez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Fernando Escriu Paradell El trabajo presentado en esta tesis analiza los factores implicados en la evoluci\u00f3n de [&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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