{"id":19655,"date":"2018-03-09T09:08:42","date_gmt":"2018-03-09T09:08:42","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/cambios-genomicos-y-funcionales-asociados-a-la-transicion-del-linaje-bacteriano-de-buchnera-aphidicola-desde-la-vida-libre-a-la-endosimbiosis-con-pulgones-sternorrhyncha-aphididae\/"},"modified":"2018-03-09T09:08:42","modified_gmt":"2018-03-09T09:08:42","slug":"cambios-genomicos-y-funcionales-asociados-a-la-transicion-del-linaje-bacteriano-de-buchnera-aphidicola-desde-la-vida-libre-a-la-endosimbiosis-con-pulgones-sternorrhyncha-aphididae","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/cambios-genomicos-y-funcionales-asociados-a-la-transicion-del-linaje-bacteriano-de-buchnera-aphidicola-desde-la-vida-libre-a-la-endosimbiosis-con-pulgones-sternorrhyncha-aphididae\/","title":{"rendered":"Cambios gen\u00f3micos y funcionales asociados a la transici\u00f3n del linaje bacteriano de buchnera aphidicola, desde la vida libre a la endosimbiosis con pulgones (sternorrhyncha: aphididae)"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Beatriz Sabater Mu\u00f1oz <\/strong><\/h2>\n<p>Los pulgones mantienen una estrecha relaci\u00f3n simbi\u00f3tica con buchnera aphididae desde hace unos 200 millones de a\u00f1os. La relaci\u00f3n es estricta, pues ni pulg\u00f3n ni bacteria puden vivir de forma no simbi\u00f3tica. La bacteria suministra amino\u00e1cidos esenciales y el pulg\u00f3n proporciona un ambiente estable.  b.Aphidicola ha modificaco profusametne su genoma siguiendo cuatro pautas: reducci\u00f3n gen\u00f3mica, incremento contenido a+t, proliferaci\u00f3n de pl\u00e1smidos y acelerando su tasa evolutiva.  este trabajo realiza el estudio comparativo de b.Aphidicola con otras bacterias de vida libre, centr\u00e1ndose en estos cuatro puntos:  b.Aphidicola presenta los genes leucina en dos localizaciones: plasm\u00e1tica y cromos\u00f3mica. La evoluci\u00f3n de este cluster es compleja, encontr\u00e1ndose m\u00faltiples retrotransferencia desde un pl\u00e1smido ancestral al cromosoma.  la historia filogen\u00e9tica de la bacteria se intenta resolver con el estudio de la evoluci\u00f3n molecular del operon groe.  se ha demostrado que la prote\u00edna pdt de b.Aphidicola no se inhibe por fenilalalina, pudiendo sobreproducir este amino\u00e1cido para suplir la deficiente dieta de los pulgones.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Cambios gen\u00f3micos y funcionales asociados a la transici\u00f3n del linaje bacteriano de buchnera aphidicola, desde la vida libre a la endosimbiosis con pulgones (sternorrhyncha: aphididae)<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Cambios gen\u00f3micos y funcionales asociados a la transici\u00f3n del linaje bacteriano de buchnera aphidicola, desde la vida libre a la endosimbiosis con pulgones (sternorrhyncha: aphididae) <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Beatriz Sabater Mu\u00f1oz <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Universitat de val\u00e9ncia (estudi general)<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 25\/10\/2002<\/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> Silva Moreno Francisco J.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: andr\u00e9s Moy simarro <\/li>\n<li>abdelaziz Heddi (vocal)<\/li>\n<li> Armengod gonz\u00e1lez m. eugenia (vocal)<\/li>\n<li>rosa De frutos ill\u00e1n (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Beatriz Sabater Mu\u00f1oz Los pulgones mantienen una estrecha relaci\u00f3n simbi\u00f3tica con buchnera aphididae desde hace unos 200 [&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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