{"id":33533,"date":"2018-03-09T09:30:42","date_gmt":"2018-03-09T09:30:42","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/taxonomia-molecular-mediante-la-secuenciacion-del-dna-ribosomico-18s-aplicacion-al-origen-y-filogenia-de-los-platihelmintos\/"},"modified":"2018-03-09T09:30:42","modified_gmt":"2018-03-09T09:30:42","slug":"taxonomia-molecular-mediante-la-secuenciacion-del-dna-ribosomico-18s-aplicacion-al-origen-y-filogenia-de-los-platihelmintos","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/taxonomia-molecular-mediante-la-secuenciacion-del-dna-ribosomico-18s-aplicacion-al-origen-y-filogenia-de-los-platihelmintos\/","title":{"rendered":"Taxonomia molecular mediante la secuenciacion del dna ribosomico 18s. aplicacion al origen y filogenia de los platihelmintos."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Salvador Carranza Gil Dolz De Castellar <\/strong><\/h2>\n<p>El 18s ribos\u00f3mico se ha utilizado para estudiar el origen y la evoluci\u00f3n de los platihelmintos. Uno de los resultados obtenidos es que los platihelmintos son un grupo de organismos prot\u00f3stomos. Por tanto no son el grupo hermano del resto de los metazoos ni son un grupo derivado secundariamente a partir de un grupo de eutrocozoos actual (ej. Anelidos, nemertinos, etc.).  adem\u00e1s se ha podido demostrar que los platihelmintos, (excepto los acelos) son un grupo monofil\u00e9tico. Otro resultado relacionado con la filogenia interna de los platihelmintos es que los platihelmintos es que los dug\u00e9sidos son el grupo hermano de las planarias terrestres, con lo cual el i.O. Paludicola ser\u00eda parafiletico. Este resultado ha sido confirmado por el hallazgo de una duplicaci\u00f3n del gen ribosomal 18s, compartida por dug\u00e9sidos y terr\u00edcolas, representando el primer polimorfismo de secuencia del 18s caracterizado en un metazoo. Por \u00faltimo se ha utilizado la comparaci\u00f3n de secuencias del its-1 (espaciador ribosomal) para clasificar a nivel de especie las numerosas poblaciones asexuales del complejo de especies de la dugesia gonocephala.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Taxonomia molecular mediante la secuenciacion del dna ribosomico 18s. aplicacion al origen y filogenia de los platihelmintos.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Taxonomia molecular mediante la secuenciacion del dna ribosomico 18s. aplicacion al origen y filogenia de los platihelmintos. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Salvador Carranza Gil Dolz De Castellar <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 16\/12\/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>Jaume Bagu\u00f1\u00c1\u00a0 Monjo<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: emilio Salo boix <\/li>\n<li>carles Ribera almerje (vocal)<\/li>\n<li>david timothy jan Littewood (vocal)<\/li>\n<li>xavier Belles ros (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Salvador Carranza Gil Dolz De Castellar El 18s ribos\u00f3mico se ha utilizado para estudiar el origen y [&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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