{"id":80038,"date":"2018-03-09T23:25:58","date_gmt":"2018-03-09T23:25:58","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/glicoprotea%c2%adnas-de-cana-de-azucar-como-factores-de-reconocimiento-y-mecanismos-de-defensa-frente-al-carbon\/"},"modified":"2018-03-09T23:25:58","modified_gmt":"2018-03-09T23:25:58","slug":"glicoprotea%c2%adnas-de-cana-de-azucar-como-factores-de-reconocimiento-y-mecanismos-de-defensa-frente-al-carbon","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisiologia-vegetal\/glicoprotea%c2%adnas-de-cana-de-azucar-como-factores-de-reconocimiento-y-mecanismos-de-defensa-frente-al-carbon\/","title":{"rendered":"Glicoprote\u00ednas de ca\u00f1a de az\u00facar como factores de reconocimiento y mecanismos de defensa frente al carb\u00f3n"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Ana Mar\u00eda Millanes Romero <\/strong><\/h2>\n<p>La enfermedad del carb\u00f3n de la ca\u00f1a de az\u00facar est\u00e1 causada por el hongo basidiomicete ustilago scitaminea syd. Las plantas en general y la ca\u00f1a de az\u00facar (saccharum spp) en particular han desarrollado diferentes mecanismos de defensa para combatir la invasi\u00f3n por parte de organismos pat\u00f3genos. Aunque algunos autores han especulado con la posibilidad de que la resistencia al carb\u00f3n exhibida por algunos cultivares de ca\u00f1a de az\u00facar puedan estar relacionada con la estructura de las yemas, existen evidencias de que la resistencia est\u00e1 basada en caracter\u00edsticas qu\u00edmicas m\u00e1s que morfol\u00f3gicas. Hay un gran n\u00famero de mol\u00e9culas implicadas en los mecanismos de defensa de las plantas, pero, entre ellas, las prote\u00ednas juegan un papel predominante. En concreto, la ca\u00f1a de az\u00facar produce dos grupos heterog\u00e9neos de glicoprote\u00ednas que se han descrito como glicoprote\u00ednas de alto (hmmg) y mediano (mmmg) peso molecular. Ambas fracciones se han considerado como factores de resistencia a la enfermedad, ya que: incrementan en los juegos de ca\u00f1a de cultivares resistentes tras la inoculaci\u00f3n con agentes pat\u00f3genos, disminuyen en los cultivares susceptibles y han demostrado poseer capacidad para inhibir la germinaci\u00f3n de teliosporas de u.Scitaminea.     se ha estudiado la implicaci\u00f3n de estas glicoprote\u00ednas en el grado de resistencia o susceptibilidad de tres cultivares de ca\u00f1a de az\u00facar, definidos seg\u00fan su respuesta a la enfermedad como: resistente (mayari 55-14), moderadamente susceptible (jaron\u00fa 60-5) y altamente susceptible (barbados 42-231). Simult\u00e1neamente se han investigado los mecanismos de actuaci\u00f3n de las glicoprote\u00ednas de ca\u00f1a que pudieran estar relacionados con el papel de estas mol\u00e9culas en la defensa frente al pat\u00f3geno f\u00fangico.     entre estos mecanismos est\u00e1n el comportamiento como lectinas, la capacidad para desarrollar actividad arginasa y quitinasa y la implicaci\u00f3n en la regulaci\u00f3n de la polarizaci\u00f3n del citoesqueleto de actin<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Glicoprote\u00ednas de ca\u00f1a de az\u00facar como factores de reconocimiento y mecanismos de defensa frente al carb\u00f3n<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Glicoprote\u00ednas de ca\u00f1a de az\u00facar como factores de reconocimiento y mecanismos de defensa frente al carb\u00f3n <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Ana Mar\u00eda Millanes Romero <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Complutense de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 22\/05\/2006<\/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>Carlos Vicente C\u00f3rdoba<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal:  Legaz gonz\u00e1lez m. estrella <\/li>\n<li> Armas urquiza roberto de (vocal)<\/li>\n<li>Manuel Pineda priego (vocal)<\/li>\n<li>mercedes Mart\u00edn pedrosa (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Ana Mar\u00eda Millanes Romero La enfermedad del carb\u00f3n de la ca\u00f1a de az\u00facar est\u00e1 causada por el [&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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