{"id":1404,"date":"1994-01-01T00:00:00","date_gmt":"1994-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/1994\/01\/01\/aislamiento-de-un-mutante-de-escherichia-coli\/"},"modified":"1994-01-01T00:00:00","modified_gmt":"1994-01-01T00:00:00","slug":"aislamiento-de-un-mutante-de-escherichia-coli","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/aislamiento-de-un-mutante-de-escherichia-coli\/","title":{"rendered":"Aislamiento de un mutante de escherichia coli"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Gomez Gomez Jos\u00e9 M. <\/strong><\/h2>\n<p>En experimentos de mutagenesis tn10, se aislo un mutante de escherichia coli que mostraba incrementada tanto la expresion del operon mcb (microcina b17) como la produccion de la microcina c7. La insercion del transposon tn10 en dicho mutante fue localizada dentro del gen hns. La mutacion recibio el nombre de hns-90 tn10.  el efecto de la mutacion hns-90 tn10 sobre la expresion de las fusiones mcb-lacz y mccb-locz indicaron que el producto del gen hns, la proteina similar a las histonas (histona-libre) h-ns regula negativamente la expresion de los operones mcb y mccabc.  experimentos de expresion del operon mccabc en contexto genetico hns-rpos indican que el factor sigma alternativo de la rna polimerasa no es requerido para la expresion de dicho operon en ausencia de la proteina h-ns. El estudio con plasmidos portadores del gen hns y regiones adyacentes, permitio identificar un nuevo locus, hns, el producto(s) del cual se comportan como regulador(s) negativo(s) de la expresion del operon mccabc.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Aislamiento de un mutante de escherichia coli<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Aislamiento de un mutante de escherichia coli <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Gomez Gomez Jos\u00e9 M. <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Complutense de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1994<\/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>Felipe Moreno Herrero<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Pilar Estrada Diaz <\/li>\n<li>Victor De Lorenzo Prieto (vocal)<\/li>\n<li>Ramon Diaz Orejas (vocal)<\/li>\n<li>Jos\u00e9 Berenguer Carlos (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Gomez Gomez Jos\u00e9 M. En experimentos de mutagenesis tn10, se aislo un mutante de escherichia coli que [&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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[160,940,17],"tags":[6060,6059,6063,6061,6062,4203],"class_list":["post-1404","post","type-post","status-publish","format-standard","hentry","category-bioquimica","category-genetica-bioquimica","category-quimica","tag-felipe-moreno-herrero","tag-gomez-gomez-jose-m","tag-jose-berenguer-carlos","tag-pilar-estrada-diaz","tag-ramon-diaz-orejas","tag-victor-de-lorenzo-prieto"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/1404","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/comments?post=1404"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/1404\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=1404"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=1404"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=1404"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}