{"id":140921,"date":"2026-01-12T17:58:25","date_gmt":"2026-01-12T17:58:25","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/proteinas-con-afinidad-por-calcio-en-musculos-de-insectos-la-troponina-t-de-drosophila-melanogaster\/"},"modified":"2026-01-12T17:58:25","modified_gmt":"2026-01-12T17:58:25","slug":"proteinas-con-afinidad-por-calcio-en-musculos-de-insectos-la-troponina-t-de-drosophila-melanogaster","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/proteinas-con-afinidad-por-calcio-en-musculos-de-insectos-la-troponina-t-de-drosophila-melanogaster\/","title":{"rendered":"Proteinas con afinidad por calcio en musculos de insectos: la troponina t de drosophila melanogaster."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Juan Gonzalez Jurado <\/strong><\/h2>\n<p>De extractos de drosophila se ha purificado una proteina que se ti\u00f1e metacromaticamente con el colorante stains-all, y que cumple las siguientes propiedades: 1) tiene un alto contenido en aminoacidos acidos. 2) une calcio, como se ha visto en experimentos de union \u00abin situ\u00bb usando calcio radiactivo y tinciones con rojo de rutenio.  3) presenta varias isoformas de distinto punto isoelectrico y peso molecular, que se fosforilan \u00abin vivo\u00bb y que se expresan diferencialmente a lo largo del desarrollo.  4) se han encontrado isoformas especificas de musculo fibrilar y tubular. Mediante el uso de un anticuerpo policlonal, se ha clonado su gen y se ha podido identificar como la troponina t de drosophila melanogaster pues presenta una alta homolog\u00eda en su secuencia peptidica con las troponinas t de vertebrados.  presenta una cola de 40 residuos acidos en su extremo carboxilo, que tambien se ha encontrado en proteinas que unen calcio en vertebrados, pudiendose comprobar que esta proteina es una proteina muscular capaz de unir calcio con baja afinidad.  por otro lado, no se ha detectado en este sistema una proteina que cumpla el papel asignado a la calsecuestrina de vertebrados, lo que permite sugerir que la troponina t de drosophila, podria llegar a asumir algunas de las funciones de la calsecuestrina en musculo de artropodos.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Proteinas con afinidad por calcio en musculos de insectos: la troponina t de drosophila melanogaster.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Proteinas con afinidad por calcio en musculos de insectos: la troponina t de drosophila melanogaster. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Juan Gonzalez Jurado <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Aut\u00f3noma de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1992<\/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>Roberto Marco Cuellar<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal:  Jorcano Noval Jos\u00e9 Luis <\/li>\n<li>Alberto Ferrus Camero (vocal)<\/li>\n<li>Ricardo Paniagua G\u00f3mez-\u00e1lvarez (vocal)<\/li>\n<li>Jorgina Satr\u00fastegui Gil-delgado (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Juan Gonzalez Jurado De extractos de drosophila se ha purificado una proteina que se ti\u00f1e metacromaticamente con [&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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