{"id":32112,"date":"1997-01-01T00:00:00","date_gmt":"1997-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/la-membrana-plasmatica-como-elemento-transductor-de-senales-en-la-interaccion-patogeno-viroide-planta-huesped\/"},"modified":"1997-01-01T00:00:00","modified_gmt":"1997-01-01T00:00:00","slug":"la-membrana-plasmatica-como-elemento-transductor-de-senales-en-la-interaccion-patogeno-viroide-planta-huesped","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/la-membrana-plasmatica-como-elemento-transductor-de-senales-en-la-interaccion-patogeno-viroide-planta-huesped\/","title":{"rendered":"La membrana plasmatica como elemento transductor de se\u00f1ales en la interaccion patogeno (viroide)-planta huesped."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Joaquin Fayos Febrer <\/strong><\/h2>\n<p>En la presente tesis se han estudiado algunos algunos aspectos de la posible implicacion de la membrana plasmatica en la respuesta defensiva inducida en las plantas por la infeccion viroidal. Se ha tomado como modelo de estudio el sistema cev-tomate (lycopersicon esculentum). Los resultados obtenidos son los ss: 1) la infeccion viroidal altera la composicion lipidica y las propiedades fisicoquimicas de la membrana plasmatica. Los cambios detectados en lo que respecta a la composicion lipidica son: una disminucion del contenido en los acidos grasos insaturados entre los que cabe resaltar el oleico, linoleico y linolenico (18:1,18:2,18:3); y un incremento de lisofosfatidilcolina y otros lisofosfolipidos; 2) ambas alteraciones son consistentes con un incremento encontrado en celulas infectadas de una actividad fosfolipasa a2; 3) entre las consecuencias de la infeccion viroidal sobre propiedades fisicas de la membrana plasmatica, podemos destacar la disminucion de la fluidez y de la permeabilidad pasiva a iones; 4) el viroide induce una elevacion de los niveles basales del ca2+ libre en el citosol de protoplastos de mesofilo foliar (200nm) con respecto a los controles sanos (90 nm). Dicho aumento es compatible con la apertura permanente de canales de ca2+ dependientes de voltaje y con el enlentecimiento en la extrusion de dicho ion, encontrados; 5) la liberacion de los acidos oleico, linoleico y linolenico de la membrana inducida por la infeccion viroidal es compatible con la activacion patogenica de la ruta del acido jasmonico para la sintesis de inhibidores de proteasas i y ii (los mas abundantes en tejidos de tomate) no ha permitido detectar la acumulacion de dichos inhibidores de proteasas; 6) por el contrario, la infeccion viroidal interfiere la sintessis de los inhibidores i y ii a nivel de transcripcion.  este efecto inhibidor esta mediado por etileno y sa. Esta inhibicion es la primera evidencia biologica de una interferenci<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>La membrana plasmatica como elemento transductor de se\u00f1ales en la interaccion patogeno (viroide)-planta huesped.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 La membrana plasmatica como elemento transductor de se\u00f1ales en la interaccion patogeno (viroide)-planta huesped. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Joaquin Fayos Febrer <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Polit\u00e9cnica de Valencia<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1997<\/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>Vicente Conejero Tom\u00e1s<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Bernat Soria Escoms <\/li>\n<li>Salom\u00e9 Prat Mongui\u00f3 (vocal)<\/li>\n<li>Jos\u00e9 Sanchez Serrano (vocal)<\/li>\n<li>Ram\u00f3n Serrano Salom (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Joaquin Fayos Febrer En la presente tesis se han estudiado algunos algunos aspectos de la posible implicacion [&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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[160,115,972,35,25010,16820,17],"tags":[11639,88882,67563,16864,37375,7881],"class_list":["post-32112","post","type-post","status-publish","format-standard","hentry","category-bioquimica","category-bioquimica-molecular","category-botanica","category-ciencias-de-la-vida","category-parasitologia-vegetal","category-politecnica-de-valencia","category-quimica","tag-bernat-soria-escoms","tag-joaquin-fayos-febrer","tag-jose-sanchez-serrano","tag-ramon-serrano-salom","tag-salome-prat-monguio","tag-vicente-conejero-tomas"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/32112","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/comments?post=32112"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/32112\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=32112"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=32112"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=32112"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}