{"id":23736,"date":"2018-03-09T09:14:24","date_gmt":"2018-03-09T09:14:24","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/desarrollo-genetico-de-cepas-de-monascus-y-caracterizacion-bioqua%c2%admica-de-los-pigmentos-que-producen\/"},"modified":"2018-03-09T09:14:24","modified_gmt":"2018-03-09T09:14:24","slug":"desarrollo-genetico-de-cepas-de-monascus-y-caracterizacion-bioqua%c2%admica-de-los-pigmentos-que-producen","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/leon\/desarrollo-genetico-de-cepas-de-monascus-y-caracterizacion-bioqua%c2%admica-de-los-pigmentos-que-producen\/","title":{"rendered":"Desarrollo gen\u00e9tico de cepas de monascus y caracterizaci\u00f3n bioqu\u00edmica de los pigmentos que producen"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Sonia Campoy Garc\u00eda <\/strong><\/h2>\n<p>Monascus es en hongo ascomiceto ampliamente utilizado en oriente para la fabricaci\u00f3n de alimentos tales como el arroz rojo y que fue conocido en occidente como contaminante de los cereales almacenados en silos. Los hongos del g\u00e9nero monascus producen 6 pigmentos mayoritarios que desde un punto de vista qu\u00edmico pertenecen al grupo de las azafilonas. Dichos pigmentos se agrupan en 3 parejas: monascina y ankaflavina (color amarillo), monascorubrina y rubropunctatina (color naranja) y rubropunctamina y monascorubramina (color rojo).  la cepa moascus ib1, obtenida mediante mutag\u00e9nesis cl\u00e1sica con nitrosoguanidina de un aislado natural del arroz rojo, ha sido caracterizada como monascus purpureus ib1 mediante estudios morfol\u00f3gicos y mediante la t\u00e9cnica rapd.  se ha desarrollado un procedimiento de transformaci\u00f3n de m.Purpureus ib1 utilizando iones calcio y altas concentraciones de polietilenglicol, que permite la obtenci\u00f3n de 43 transformantes\/ugadn. En \u00e9ste, el adn plasm\u00eddico se integra al azar en el genoma de m.Purpureus ib1, pudiendo dirigirse dicha integraci\u00f3n hacia sitios espec\u00edficos en presencia de cantidades considerables de enzimas de restricci\u00f3n (remi). De igual forma se ha obtenido un procedimiento de transferencia de adn a m.Purpureus ib1 mediada por agrobacterium tumefaciens que permite la obtenci\u00f3n de hasta 123 transformatnes por ensayo de transformaci\u00f3n.  la producci\u00f3n y excreci\u00f3n de los 6 pigmentos cl\u00e1sicos tipo azafilona depende de las condiciones de cultivo especialmente de la fuente de carbono y de nitr\u00f3geno, habi\u00e9ndose encontrado una producci\u00f3n \u00f3ptima en medio con maltosa y glutamato como fuentes de carbono y nitr\u00f3geno, respectivamente. la adici\u00f3n de \u00e1cidos hexanoico o decanoico a cultivos de m.Purpureus ib1, disminuye los niveles extracelulares de los pigmentos azafilona cl\u00e1sicos manteniendo normales los niveles intracelulares. Los \u00e1cidos grasos favorecen la producci\u00f3n y secreci\u00f3n de nuevos pig<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Desarrollo gen\u00e9tico de cepas de monascus y caracterizaci\u00f3n bioqu\u00edmica de los pigmentos que producen<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Desarrollo gen\u00e9tico de cepas de monascus y caracterizaci\u00f3n bioqu\u00edmica de los pigmentos que producen <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Sonia Campoy Garc\u00eda <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Le\u00f3n<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 20\/06\/2003<\/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>Paloma Liras Pad\u00edn<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: tom\u00e1s Gonz\u00e1lez villa <\/li>\n<li>Santiago Gutierrez martin (vocal)<\/li>\n<li>angel Rumbero s\u00e1nchez (vocal)<\/li>\n<li> Moreno valle Miguel \u00e1ngel (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Sonia Campoy Garc\u00eda Monascus es en hongo ascomiceto ampliamente utilizado en oriente para la fabricaci\u00f3n de alimentos [&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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