{"id":122215,"date":"2024-07-25T10:07:40","date_gmt":"2024-07-25T10:07:40","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/analisis-estructural-funcional-y-de-regulacion-de-la-lactaldehido-deshidrogenasa-de-escherichia-coli\/"},"modified":"2024-07-25T10:07:40","modified_gmt":"2024-07-25T10:07:40","slug":"analisis-estructural-funcional-y-de-regulacion-de-la-lactaldehido-deshidrogenasa-de-escherichia-coli","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/analisis-estructural-funcional-y-de-regulacion-de-la-lactaldehido-deshidrogenasa-de-escherichia-coli\/","title":{"rendered":"Analisis estructural  funcional y de regulacion de la lactaldehido deshidrogenasa de escherichia coli."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Laura Baldoma Llavines <\/strong><\/h2>\n<p>Se ha purificado el enzima lactaldehido deshidrogenasa de e.Coli  el cual presenta una estructura tetramerica formada por cuatro subunidades de 55.000 daltons y 4 centros de union al nad. Cataliza una reaccion irreversible  mostrando un ph optimo de 9 5. Es activo sobre gamma-hidroxi- (lactaldehido  gliceraldehido glicolaldehido) y gamma-ceto-aldehidos (metilglioxal). El calculo de la eficiencia catalitica del enzima (vmax\/km) indica que el lactaldehido seria el sustrato fisiologico.  los estudios geneticos  estructurales e inmunologicos del enzima sintetizado por varias cepas de e.Coli demuestran la existencia de una unica forma enzimatica  la cual es utilizada conjuntamente por los metabolismos de l-fucosa l-ramnosa  l-propanodiol (cuyo inductor es el lactaldehido)  etilenglicol (el cual induce via glicolaldehido) y glutamato (se desconoce cual es el intermediario que actua como inductor). El analisis de mutantes ha evidenciado la existencia de un solo gen regulador situado cerca del locus fuc y un solo gen estructural  asi como un control de tipo positivo para su expresion genica.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Analisis estructural  funcional y de regulacion de la lactaldehido deshidrogenasa de escherichia coli.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Analisis estructural  funcional y de regulacion de la lactaldehido deshidrogenasa de escherichia coli. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Laura Baldoma Llavines <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1987<\/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>Juan Aguilar Piera<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Fausto Garcia Hegardt <\/li>\n<li>Jordi Lalucat Jo (vocal)<\/li>\n<li>Mari\u00ed\u00a0 Alemany Lamana (vocal)<\/li>\n<li>Xavier Par\u00e9s Casasampera (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Laura Baldoma Llavines Se ha purificado el enzima lactaldehido deshidrogenasa de e.Coli el cual presenta una estructura [&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":[951,160,35,955,978,278,17],"tags":[400,251,13783,143100,41090,29349],"class_list":["post-122215","post","type-post","status-publish","format-standard","hentry","category-barcelona","category-bioquimica","category-ciencias-de-la-vida","category-enzimologia","category-metabolismo-microbiano","category-microbiologia","category-quimica","tag-fausto-garcia-hegardt","tag-jordi-lalucat-jo","tag-juan-aguilar-piera","tag-laura-baldoma-llavines","tag-marii-alemany-lamana","tag-xavier-pares-casasampera"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/122215","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=122215"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/122215\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=122215"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=122215"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=122215"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}