{"id":12247,"date":"2018-03-09T08:58:00","date_gmt":"2018-03-09T08:58:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/gen-rpos-y-comportamiento-gasp-en-enterobacterias\/"},"modified":"2018-03-09T08:58:00","modified_gmt":"2018-03-09T08:58:00","slug":"gen-rpos-y-comportamiento-gasp-en-enterobacterias","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/gen-rpos-y-comportamiento-gasp-en-enterobacterias\/","title":{"rendered":"Gen rpos y comportamiento gasp en enterobacterias"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Esteban Martinez Garcia <\/strong><\/h2>\n<p>En este trabajo se ha detectado la presencia del gen spos en varias bacterias de la familia enterobacteriaceae. Se ha caracterizado y secuenciado este gen en kluyvera cryocrescens y en enterobacter cloacae. Se ha estudiado la importancia de este factor sigma alternativo en la adquisicion de resistencia a diferentes condiciones de estr\u00e9s como pueden ser phs extremos, presion osm\u00f3tica, temperatura e irradiaci\u00f3n con luz uv. En general se puede concluir que el producto de este gen interviene en la adquisicion a resistencia a estr\u00e9s durante la fase estacionaria aunque en ciertas bacterias dicha resistencia puede producirse por vias independientes a rpos. Se ha estudiado la expresion del gen rpos en e. Cloacae cetc 960. En esta estirpe la transcripcion de rops viene dirigida por un promotor desconocido hasta ahora y que se encuentra presente en la secuencia de inserci\u00f3n is1or. Este promotor al que proponemos denominar p-outii, se encuentra regulado por rpos y presenta una serie de caracteristicas en su regulacion comunes al promotor original de rpos y presenta una serie de caracteristicas en su regulacion comunes al promotor original por rpos en e.Cloacae, rposp. Entre lo factores que pudieran estar relacionados con la regulacion se ha estudiado la relacion con fase de crecimiento, medios agotados, represion catabolica, proteinas crp e ihf,ppgpp,etc. Finalmente se ha estudiado la relacion entre rpos y fenotipo gasp, concluyendose la universalidad de este comportamiento en enterobacterias y la existencia de via de adquisici\u00f3n rpos-dependientes e independientes.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Gen rpos y comportamiento gasp en enterobacterias<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Gen rpos y comportamiento gasp en enterobacterias <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Esteban Martinez Garcia <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Complutense de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 13\/07\/2001<\/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>Antonio Tormo Garrido<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: jos\u00e9 Mart\u00ednez peinado <\/li>\n<li>ramon Diaz orejas (vocal)<\/li>\n<li>Manuel Espinosa urgel (vocal)<\/li>\n<li> Gonzalez de la campa adela (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Esteban Martinez Garcia En este trabajo se ha detectado la presencia del gen spos en varias bacterias [&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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