{"id":63163,"date":"2018-03-09T22:51:06","date_gmt":"2018-03-09T22:51:06","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/rcy1-protea%c2%adna-nuclear-relacionada-con-el-estres-salino\/"},"modified":"2018-03-09T22:51:06","modified_gmt":"2018-03-09T22:51:06","slug":"rcy1-protea%c2%adna-nuclear-relacionada-con-el-estres-salino","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/bioquimica-molecular\/rcy1-protea%c2%adna-nuclear-relacionada-con-el-estres-salino\/","title":{"rendered":"Rcy1: prote\u00edna nuclear relacionada con el estr\u00e9s salino."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Bartolom\u00e9 Amor\u00f3s Seller <\/strong><\/h2>\n<p>La mayor parte de la p\u00e9rdida de producci\u00f3n vegetal en el planeta es debida principalmente a la salinidad y a la sequ\u00eda, junto con la aparici\u00f3n de temperaturas extremas (epstein et al., 1980; yancey et al., 1982). Este factor, entre otros, provoca que el estudio de  los procesos de tolerancia a estos estreses sea de vital importancia, no s\u00f3lo desde el punto de vista biol\u00f3gico, donde existen plantas capaces de tolerar concentraciones extremas de sales y periodos enormes de tiempo sin agua, sino que desde el punto de vista humano, el estudio de estos procesos beneficia sin duda el aspecto econ\u00f3mico de la agricultura. Este beneficio humano obtenido, podr\u00eda, siendo muy optimistas, resolver los problemas de hambruna de vastos territorios desertificados o salinizados, aunque siendo m\u00e1s realistas, podr\u00eda permitir en un futuro no muy lejano utilizar agua de mar poco tratada para el riego de cultivos. siguiendo este planteamiento y utilizando datos previos del \u00abscreening\u00bb funcional de genes de arabidopsis thaliana en levadura (forment et al., 2002), se inici\u00f3 esta tesis doctoral tomando al gen rcy1 como protagonista.   este gen implicado presuntamente en procesamiento de mrna fue sometido a estudio, siguiendo el dogma de su relaci\u00f3n con la tolerancia a estr\u00e9s salino en levadura. as\u00ed, se realizaron una serie de estudios en arabidopsis thaliana, encaminados a comprobar si en esta planta, de donde procede el gen, tambi\u00e9n interviene en procesos de tolerancia a sal, as\u00ed como encaminados a discernir parte del mecanismo de acci\u00f3n del gen con o sin sal.  en primer lugar se comprob\u00f3 que la expresi\u00f3n de dicho gen en esta planta se dispara en situaciones de estr\u00e9s salino (nacl y licl), h\u00eddrico (ausencia de riego) y osm\u00f3tico (sorbitol). Es decir, a partir de una expresi\u00f3n basal muy baja y sometiendo a la planta a dichos estreses, los niveles de mrna de rcy1 aumentan significativamente. tambi\u00e9n se ha comprobado que de forma silvestre y en ausencia de sal, este<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Rcy1: prote\u00edna nuclear relacionada con el estr\u00e9s salino.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Rcy1: prote\u00edna nuclear relacionada con el estr\u00e9s salino. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Bartolom\u00e9 Amor\u00f3s Seller <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Polit\u00e9cnica de Valencia<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 28\/02\/2008<\/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>Oscar Vicente Meana<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Ram\u00f3n Serrano Salom <\/li>\n<li>Jos\u00e9 Luis Casas Mart\u00ednez (vocal)<\/li>\n<li>Marta Roldan Medina (vocal)<\/li>\n<li>Manuel Tal\u00f3n Cubillo (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Bartolom\u00e9 Amor\u00f3s Seller La mayor parte de la p\u00e9rdida de producci\u00f3n vegetal en el planeta es debida [&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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