{"id":7687,"date":"1995-01-01T00:00:00","date_gmt":"1995-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/1995\/01\/01\/construccion-de-cepas-amiloliticas-de-panaderia-caracterizacion-de-la-resistencia-a-2-deoxiglucosa\/"},"modified":"1995-01-01T00:00:00","modified_gmt":"1995-01-01T00:00:00","slug":"construccion-de-cepas-amiloliticas-de-panaderia-caracterizacion-de-la-resistencia-a-2-deoxiglucosa","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-tecnologicas\/construccion-de-cepas-amiloliticas-de-panaderia-caracterizacion-de-la-resistencia-a-2-deoxiglucosa\/","title":{"rendered":"Construccion de cepas amiloliticas de panaderia. caracterizacion de la resistencia a 2-deoxiglucosa."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Francisca Randez Gil <\/strong><\/h2>\n<p>Con el objeto de mejorar cepas de levadura industrial de panaderia, se ha obtenido un mutante de represion por catabolito capaz de asimilar maltosa en presencia de glucosa. A partir de este mutante, se han construido hibridos, que presentan una buena capacidad fermentativa incluso cuando se han crecido en condiciones de represion (8% de glucosa). En estas cepas se ha expresado la alfa-amilasa del hongo aspergillus oryzae. Los panes elaborados con esta levadura presentan mejores caracteristicas reologicas que los elaborados con levadura comercial control. Ademas, se ha observado en ellos un claro efecto antiendurecimiento.  la 2-deoxiglucosa es un analogo no metabolizable de la glucosa que inhibe la fermentacion y el crecimiento celular. Es capaz de generar el proceso de represion por catabolito, por lo que ha sido ampliamente utilizado para el aislamiento de mutantes de represion por catabolito.  sin embargo saccharomyces cerevisiae, adquiere de forma espontanea resistencia a su efecto toxico.  se ha colnado el gen que confiere resistencia a 2-deoxiglucosa en levaduras. Este gen codifica para una fosfatas especifica de 2-deoxiglucosa-6-fosfato. La expresion de esta fosfatasa es capaz de liberar a la levadura de la represion catabolica mediada por 2-deoxiglucosa, pero no de la ejercida por glucosa.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Construccion de cepas amiloliticas de panaderia. caracterizacion de la resistencia a 2-deoxiglucosa.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Construccion de cepas amiloliticas de panaderia. caracterizacion de la resistencia a 2-deoxiglucosa. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Francisca Randez Gil <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Universitat de val\u00e9ncia (estudi general)<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1995<\/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>Pascual Sanz Bigorra<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Enrique Herrero Perpi\u00f1an <\/li>\n<li>Julio Polaina Molina (vocal)<\/li>\n<li>Jes\u00fas Pla Alonso (vocal)<\/li>\n<li>Emilia Matallana Redondo (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Francisca Randez Gil Con el objeto de mejorar cepas de levadura industrial de panaderia, se ha obtenido [&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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