{"id":13042,"date":"2018-03-09T08:59:10","date_gmt":"2018-03-09T08:59:10","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/caracterizacion-de-una-nueva-protea%c2%adna-de-solanum-tuberosum-phor1-involucrada-en-la-senalizacion-de-la-giberelinas\/"},"modified":"2018-03-09T08:59:10","modified_gmt":"2018-03-09T08:59:10","slug":"caracterizacion-de-una-nueva-protea%c2%adna-de-solanum-tuberosum-phor1-involucrada-en-la-senalizacion-de-la-giberelinas","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/caracterizacion-de-una-nueva-protea%c2%adna-de-solanum-tuberosum-phor1-involucrada-en-la-senalizacion-de-la-giberelinas\/","title":{"rendered":"Caracterizaci\u00f3n de una nueva prote\u00edna de solanum tuberosum, phor1, involucrada en la se\u00f1alizaci\u00f3n de la giberelinas."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Virginia Amador Espinosa <\/strong><\/h2>\n<p>La tuberizaci\u00f3n (formaci\u00f3n de los tub\u00e9rculos de patata) es un proceso del desarrollo cracter\u00edstico de las plantas de patatera. En condiciones inductoras de la tuberizaci\u00f3n, en la punta de los estolones (tallos subterr\u00e1neos modificados) empiezan a engordar hasta formar el tub\u00e9rculo. Este engrosamiento viene dado por un cambio en el plano de divisi\u00f3n celular, en la punta del estol\u00f3n, que cambia de longitudional a transversal y viene acompa\u00f1ado de una gran acumulaci\u00f3n de almid\u00f3n y una glicoprote\u00edna llamada patatina.  la tuberizaci\u00f3n est\u00e1 fuertemente influenciada por factores ambientales como la temperatura, el aporte de nitr\u00f3geno y el fotoperiodo (horas de luz y oscuridad que recibe la planta durante las 24 horas del d\u00eda) y factores end\u00f3genos como la edad fisiol\u00f3gica de la planta y el efecto de las hormonas vegetales. \u00abIn vivo\u00bb se ha demostrado al capacidad inhibitoria, de la tuberizaci\u00f3n, de las hormonas giberelinas.  fotoperiodos de d\u00edas cortos (8 horas de luz y 16 horas de oscuridad) favorecen la tuberizaci\u00f3n pero existen algunas variedades de patatera, por ejemplo soanum tubersosum, que requieren d\u00edas cortos para tuberizar.  en mi laboratorio se asil\u00f3 mediante la t\u00e9cnica de \u00abdifferential display\u00bb, en la que se comparaba el patr\u00f3n de expresi\u00f3n de las hojas de plantas de s. Tuberosum crecidas en condiciones inductoras y no inductoras para la tuberizaci\u00f3n, una prote\u00edna llamda por (photoperiod responsive 1).  phor1 presenta una expresi\u00f3n incrementada en las plantas crecidas en condiciones inductoras para la tuberizaci\u00f3n, d\u00edas cortos. Phor1 codifica para una prote\u00edna que presenta un dominio hom\u00f3logo al dominio \u00abarm-repeat\u00bb de la prote\u00edna de segmentaci\u00f3n polarizada armadillo de drosophila melanogaster.  las plantas transg\u00e9nicas de una construcci\u00f3n antisentido para el gen de phor1, con niveles reducidos de expresi\u00f3n de la prote\u00edna phor1, presentan un fenotipo semi-enano dado por una reduci\u00f3n en la par<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Caracterizaci\u00f3n de una nueva prote\u00edna de solanum tuberosum, phor1, involucrada en la se\u00f1alizaci\u00f3n de la giberelinas.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Caracterizaci\u00f3n de una nueva prote\u00edna de solanum tuberosum, phor1, involucrada en la se\u00f1alizaci\u00f3n de la giberelinas. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Virginia Amador Espinosa <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Aut\u00f3noma de barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 28\/09\/2001<\/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>Salom\u00e9 Prat Mongui\u00f3<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: francesc xavier Avil\u00e9s puigvert <\/li>\n<li> Mart\u00edn g\u00f3mez mari carmen (vocal)<\/li>\n<li>isabel L\u00f3pez-d\u00edaz (vocal)<\/li>\n<li>Antonio Tiburcio (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Virginia Amador Espinosa La tuberizaci\u00f3n (formaci\u00f3n de los tub\u00e9rculos de patata) es un proceso del desarrollo cracter\u00edstico [&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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