{"id":70765,"date":"2018-03-09T23:15:17","date_gmt":"2018-03-09T23:15:17","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/analisis-de-las-interacciones-de-la-proteina-ci-del-virus-de-la-sharka-con-proteinas-de-la-planta\/"},"modified":"2018-03-09T23:15:17","modified_gmt":"2018-03-09T23:15:17","slug":"analisis-de-las-interacciones-de-la-proteina-ci-del-virus-de-la-sharka-con-proteinas-de-la-planta","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-agrarias\/analisis-de-las-interacciones-de-la-proteina-ci-del-virus-de-la-sharka-con-proteinas-de-la-planta\/","title":{"rendered":"Analisis de las interacciones de la proteina ci del virus de la sharka con proteinas de la planta"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Ignacio Jimenez Torres <\/strong><\/h2>\n<p>Los potyvirus son virus de rna de polaridad positiva cuyo genoma codifica una poliprote\u00edna que se procesa autocatal\u00edticamente para dar lugar a al menos nueve prote\u00ednas maduras. Una caracter\u00edstica de las infecciones por potyvirus es la acumulaci\u00f3n de inclusiones citopl\u00e1smicas en forma de ruedas de molino, tambi\u00e9n llamadas inclusiones cil\u00edndricas. Estas inclusiones est\u00e1n formadas por la prote\u00edna ci. Esta prote\u00edna est\u00e1 implicada en la replicaci\u00f3n y en el movimiento de c\u00e9lula a c\u00e9lula del virus. En estudios previos, se realiz\u00f3 un escrutinio mediante el m\u00e9todo de los dos h\u00edbridos de una genoteca de cdna de nicotiana benthamiana utilizando la prote\u00edna ci del virus de la sharka (ppv) como cebo. Se identificaron dos prote\u00ednas (l1 y l2) que interaccionaban espec\u00edficamente con la prote\u00edna ci de ppv. L1 es una prote\u00edna desconocida con un dominio de dedos de zinc de tipo hit, y l2 es el precursor de la subunidad psi-k del fotosistema i.  con objeto de caracterizar dichas interacciones, se ha empleado el sistema de los dos h\u00edbridos para analizar los dominios implicados y la especificidad. se ha comprobado que es necesario un fragmento que comprende los 409 amino\u00e1cidos n-terminales de la prote\u00edna ci para que la interacci\u00f3n tenga lugar. Las interacciones tambi\u00e9n se han detectado con la prote\u00edna ci de otro potyvirus (tvmv) y las prote\u00ednas l1 y l2 de otra planta (arabidopsis thaliana), sugiriendo que dichas interacciones son un evento general en las infecciones por potyvirus.  para determinar la importancia biol\u00f3gica de las interacciones se ha analizado la infecci\u00f3n de ppv en plantas de n. Benthamiana con la expresi\u00f3n de l1 y l2 reducida mediante el silenciamiento de su rna. Cuando el gen de l1 es silenciado, la acumulaci\u00f3n del virus es m\u00e1s baja que en plantas control, sugiriendo que la prote\u00edna l1 puede tener un papel positivo para la infecci\u00f3n de ppv. Sin embargo, cuando el gen de l2 es el silenciado, se observ\u00f3 una<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Analisis de las interacciones de la proteina ci del virus de la sharka con proteinas de la planta<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Analisis de las interacciones de la proteina ci del virus de la sharka con proteinas de la planta <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Ignacio Jimenez Torres <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Polit\u00e9cnica de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 14\/10\/2004<\/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>Juan  Antonio Garcia Alvarez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: fernando Garcia-arenal rodriguez <\/li>\n<li>cesar Llave correas (vocal)<\/li>\n<li>Emilio Rodriguez cerezo (vocal)<\/li>\n<li>Francisco Tenllado peralo (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Ignacio Jimenez Torres Los potyvirus son virus de rna de polaridad positiva cuyo genoma codifica una poliprote\u00edna [&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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