{"id":134952,"date":"1997-01-01T00:00:00","date_gmt":"1997-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/analisis-del-promotor-de-un-gen-bacteriano-regulado-por-luz-azul-y-fase-de-crecimiento\/"},"modified":"1997-01-01T00:00:00","modified_gmt":"1997-01-01T00:00:00","slug":"analisis-del-promotor-de-un-gen-bacteriano-regulado-por-luz-azul-y-fase-de-crecimiento","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/analisis-del-promotor-de-un-gen-bacteriano-regulado-por-luz-azul-y-fase-de-crecimiento\/","title":{"rendered":"Analisis del promotor de un gen bacteriano regulado por luz azul y fase de crecimiento."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Isabel Mar\u00eda Martinez Argudo <\/strong><\/h2>\n<p>El objetivo de este trabajo ha sido identificar y caracterizar la region promotora de carc, un gen de la bacteria myxococcus xanthus conocido por su papel en la sintesis de carotenoides y por su peculiar modo de expresion, dependiente de luz azul y de condiciones de ayuno. El analisis de la actividad promotora de distintos fragmentos del gen carc demostro que el tramo de dna comprendido entre las posiciones -54 y +120 contiene las secuencias esenciales para la correcta expresion de dicho gen. La region transcrita de carc esta implicada en la activacion de dicho gen en condiciones de ayuno. Entre las posiciones +35 y +131 se encuentra un elemento que estimula la expresion de un promotor heterologo en respuesta a condiciones de ayuno. La accion de dicho elemento es independiente de su orientacion con respecto al promotor.  se ha identificado una secuencia esencial en la region -35 del gen carc, esta se encuentra muy conservada en los promotores dependientes de la nueva familia de factores sigma ecf. Debe tratarse, de un sitio de union de la proteina carq, miembro de dicha familia de factores sigma y necesaria para la expresion de carc. En la region -10 no existen similitudes significativas entre los distintos promotores dependientes de factores ecf.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Analisis del promotor de un gen bacteriano regulado por luz azul y fase de crecimiento.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Analisis del promotor de un gen bacteriano regulado por luz azul y fase de crecimiento. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Isabel Mar\u00eda Martinez Argudo <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Murcia<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/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>Francisco Murillo  Araujo<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Francisco Garc\u00eda Carmona <\/li>\n<li>Francisco Garcia Olmedo (vocal)<\/li>\n<li>Pilar Carbonero Zalduegui (vocal)<\/li>\n<li>Juan  Luis Ramos Martin (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Isabel Mar\u00eda Martinez Argudo El objetivo de este trabajo ha sido identificar y caracterizar la region promotora [&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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