{"id":75009,"date":"2018-03-09T23:20:08","date_gmt":"2018-03-09T23:20:08","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/receptores-nucleares-implicados-en-la-regulacion-endocrina-en-blattella-germanica-l-dyctioptera-blattellidae-caracterizacion-de-los-genes-bgecr-a-bghr3-y-bgftz-f1\/"},"modified":"2018-03-09T23:20:08","modified_gmt":"2018-03-09T23:20:08","slug":"receptores-nucleares-implicados-en-la-regulacion-endocrina-en-blattella-germanica-l-dyctioptera-blattellidae-caracterizacion-de-los-genes-bgecr-a-bghr3-y-bgftz-f1","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/receptores-nucleares-implicados-en-la-regulacion-endocrina-en-blattella-germanica-l-dyctioptera-blattellidae-caracterizacion-de-los-genes-bgecr-a-bghr3-y-bgftz-f1\/","title":{"rendered":"Receptores nucleares implicados en la regulaci\u00f3n endocrina en blattella germanica (l) (dyctioptera, blattellidae). caracterizaci\u00f3n de los genes bgecr-a, bghr3 y bgftz-f1"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Josefa Cruz Rodr\u00edguez <\/strong><\/h2>\n<p>Resumen: en los insectos, las diferentes transiciones que se producen a lo largo del desarrollo, tanto embrionario como post-embrionario, se encuentran reguladas por pulsos de ecdisteroides, en particular por la 20-hidroxiecdisona (20e). Esta se\u00f1al se transduce mediante factores de transcripci\u00f3n de la familia de los receptores nucleares, en concreto, la 20e se une al heterodimero formado por el receptor de la ecdisona (ecr) y el producto del gen u\/traespiracu\/o (usp) y, una vez unida, activa una peque\u00f1a serie de genes tempranos, que, a su vez, amplifican esta se\u00f1al mediante la inducci\u00f3n de los denominados genes tardios que controlan la respuesta biol\u00f3gica a la hormona. Dentro de esta cascada g\u00e9nica, cabe destacar el eje funcional formado por los receptores nucleares ecr-hr3-ftz-f1 el cual interviene en la coordinaci\u00f3n de las mudas larvarias, asi como en el inicio de la metamorfosis en drosophi\/a me\/anogaster. Es importante subrayar que no se conoce si la jerarqu\u00eda de factores nucleares inducidos por la 20e tambi\u00e9n existe y opera en insectos m\u00e1s primitivos con un desarrollo hemimet\u00e1bolo como es nuestro insecto modelo b\/attella germanica. En la presente tesis doctoral iniciamos la caracterizaci\u00f3n del eje funcional ecr-hr3-ftz-f1 en el dicti\u00f3ptero b\/attella germanica. asi pues, hemos llevado a cabo el clo\u00f1aje de los ort\u00f3logos de los receptores nucleares hr3 y ftz-f1 en b. Germanica obteniendo tres isoformas de hr3 (bghr3-a, bghr3-b1ybghr3-b2)y dos de ftz-f1 (bgftz-f1a y bgftz-f1b). Hemos caracterizado los patrones de expresi\u00f3n de estos transcritos y del receptor de la ecdisona (bgecr-a), que se habia clonado previamente en nuestro laboratorio, en las dos \u00faltimas fases ninfales asi como durante la embriog\u00e9nesis de b. Germanica. Adem\u00e1s, analizamos el papel regulador que estos receptores nucleares desempe\u00f1an durante el desarrollo ninfal de b. Germanica, y especialmente en el proceso de la muda. Para ello, hemos utilizado la<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Receptores nucleares implicados en la regulaci\u00f3n endocrina en blattella germanica (l) (dyctioptera, blattellidae). caracterizaci\u00f3n de los genes bgecr-a, bghr3 y bgftz-f1<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Receptores nucleares implicados en la regulaci\u00f3n endocrina en blattella germanica (l) (dyctioptera, blattellidae). caracterizaci\u00f3n de los genes bgecr-a, bghr3 y bgftz-f1 <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Josefa Cruz Rodr\u00edguez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 24\/06\/2005<\/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>Xavier Belles Ros<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: joaquim Guti\u00e9rrez fruit\u00f3s <\/li>\n<li>Mar\u00eda  dolors Piulachs baga (vocal)<\/li>\n<li>jordi Bernu\u00e9s mart\u00ednez (vocal)<\/li>\n<li>Jos\u00e9 Luis Maestro garriga (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Josefa Cruz Rodr\u00edguez Resumen: en los insectos, las diferentes transiciones que se producen a lo largo del 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