{"id":144227,"date":"1993-01-01T00:00:00","date_gmt":"1993-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/interaccion-entre-fitocromo-y-giberelinas-en-el-control-del-alargamiento-del-epicotilo-de-vigna-sinensis\/"},"modified":"1993-01-01T00:00:00","modified_gmt":"1993-01-01T00:00:00","slug":"interaccion-entre-fitocromo-y-giberelinas-en-el-control-del-alargamiento-del-epicotilo-de-vigna-sinensis","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/interaccion-entre-fitocromo-y-giberelinas-en-el-control-del-alargamiento-del-epicotilo-de-vigna-sinensis\/","title":{"rendered":"Interaccion entre fitocromo y giberelinas en el control del alargamiento del epicotilo de vigna sinensis"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Jaime Martinez Garcia <\/strong><\/h2>\n<p>La modulacion del alargamiento del tallo por el fitocromo es un proceso que depende de giberelinas (gas). Se ha propuesto que el fitocromo puede controlar dicho proceso modulando el contenido de ga activa, la sensibilidad de los tejidos a gas, o\/bien ambos.  el alargamiento del epicotilo de v.  sinensis depende de gas, esta modulado por el fitocromo, y se ha propuesto que el fitocromo regularia la 3b-hidroxilacion de ga20 a ga1. Utilizando este sistema vegetal nos hemos propuesto estudiar la interaccion entre fitocromo y gas en el control del alargamiento del epicotilo.  en v. Sinensis ga1 es la ga activa en el alargamiento del epicotilo, mientras que ga20, su precursora, es activa en funcion de su conversion a ga1.  la degradacion de ga1 (2b-hidroxilacion) parece ser un posible punto de regulacion del contenido de esta hormona, y en consecuencia del alargamiento del epicotilo.  la region del epicotilo que responde a gas exogenas (0-10 mm desde el apice) es diferente de la que responde a la irradiacion r\/fr (5-25 mm desde el apice). A pesar de la diferente localizacion de las regiones de respuesta a gas y fitocromo, la modulacion por el fitocromo del alargamiento del epicotilo esta mediada por gas.  el fitocromo modula el contenido de ga1, afectando tanto su produccion a partir de ga20 como su degradacion a ga8. Se propone que la forma fisiologicamente activa del fitocromo (pfr) estimula la 2b-hidroxilacion de ga1, y tal vez la de ga20, lo que produce una menor acumulacion de ga1 en plantas irradiadas con r que en las irradiadas con fr. De esta forma, la calidad de la luz, a traves del fitocromo, regula el contenido de ga1 y por tanto la longitud del epicotilo de vigna sinensis.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Interaccion entre fitocromo y giberelinas en el control del alargamiento del epicotilo de vigna sinensis<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Interaccion entre fitocromo y giberelinas en el control del alargamiento del epicotilo de vigna sinensis <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Jaime Martinez Garcia <\/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\/1993<\/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>Jos\u00e9 Luis Garc\u00eda Mart\u00ednez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Juan Segura Garcia Del Rio <\/li>\n<li>Ignacio Zarra Cameselle (vocal)<\/li>\n<li>Manuel Acosta Echevarr\u00eda (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 Jaime Martinez Garcia La modulacion del alargamiento del tallo por el fitocromo es un proceso que depende [&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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