{"id":88387,"date":"2001-12-01T00:00:00","date_gmt":"2001-12-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/metabolismo-de-los-acidos-polisialicos-en-procariotas-caracterizacion-del-transporte-de-n-acetilmanosamina\/"},"modified":"2001-12-01T00:00:00","modified_gmt":"2001-12-01T00:00:00","slug":"metabolismo-de-los-acidos-polisialicos-en-procariotas-caracterizacion-del-transporte-de-n-acetilmanosamina","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/metabolismo-de-los-acidos-polisialicos-en-procariotas-caracterizacion-del-transporte-de-n-acetilmanosamina\/","title":{"rendered":"Metabolismo de los \u00e1cidos polisi\u00e1licos en procariotas: caracterizaci\u00f3n del transporte de n-acetilmanosamina."},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Revilla Nuin Beatriz Cristina <\/strong><\/h2>\n<p>Neisseria meningitidis serotipo b y algunas estirpes de escherichia coli son las responsables, como pat\u00f3genos oportunistas, de la gran mayor\u00eda de las meningitis bacterianas. Estos microorganismos expresan un plisac\u00e1rido capsular que es qu\u00edmica e inmunologicamente id\u00e9ntico al \u00e1cido polisi\u00e1lico presente en algunas estructuras glicoconjugadas sintetizadas pro el organismo hospedador. La presencia del mismo en la superficie celular impide la producci\u00f3n de anticuerpos y evita la actividad gagocitaria del hospedador inteririendo en la activaci\u00f3n del sistema humoral.La n-acetilmanosamina (mannac) es un precursor esencial en la s\u00edntesis del\u00e1cido n-acetilneuram\u00ednico (neuac), componente principal de los \u00e1cidos polisi\u00e1licos. Se ha observado que la mannac es inhibidor de la s\u00edntesis \u00abin vivo\u00bb de \u00e1cido polis\u00edalico tanto ene. Coli k92 como en c. Coli k1, por ello se ha estudiado como estea aminoaz\u00facar es tomado por las c\u00e9lulas y se ha indetificado y caracterizado en e. Coli k92 un sistema de transporte fosfotransferasa espec\u00edfico responsable de llevar a cabo este proceso. Sin embargo, en e.Coli k1 este mecanismo ha sido detectado observando que la entrada de mannac se realiza aprovechando el sistema espec\u00edfico para manosa.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Metabolismo de los \u00e1cidos polisi\u00e1licos en procariotas: caracterizaci\u00f3n del transporte de n-acetilmanosamina.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Metabolismo de los \u00e1cidos polisi\u00e1licos en procariotas: caracterizaci\u00f3n del transporte de n-acetilmanosamina. <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Revilla Nuin Beatriz Cristina <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Le\u00f3n<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 12\/01\/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> Rodriguez Aparicio Leandro B.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: cecilio Gimenez martin <\/li>\n<li>vicente Rubio zamora (vocal)<\/li>\n<li>Mar\u00eda  angeles Serrano garcia (vocal)<\/li>\n<li>M\u00aa dolores Arriaga giner (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Revilla Nuin Beatriz Cristina Neisseria meningitidis serotipo b y algunas estirpes de escherichia coli son las responsables, [&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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