{"id":72057,"date":"2018-03-09T23:16:51","date_gmt":"2018-03-09T23:16:51","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/caracterizacion-de-la-actividad-lacasa-producida-por-streptomyces-cyaneus-cect-335-y-su-aplicacion-en-la-industria-papelera\/"},"modified":"2018-03-09T23:16:51","modified_gmt":"2018-03-09T23:16:51","slug":"caracterizacion-de-la-actividad-lacasa-producida-por-streptomyces-cyaneus-cect-335-y-su-aplicacion-en-la-industria-papelera","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/metabolismo-microbiano\/caracterizacion-de-la-actividad-lacasa-producida-por-streptomyces-cyaneus-cect-335-y-su-aplicacion-en-la-industria-papelera\/","title":{"rendered":"Caracterizacion de la actividad lacasa producida por streptomyces cyaneus cect 335 y su aplicacion en la industria papelera"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Mar\u00eda  Rosa Arenas Carus <\/strong><\/h2>\n<p>La lignocelulosa es un sustrato que se encuentra abundantemente en la naturales, principalmente en forma de madera, aunque tambi\u00e9n forma parte de  residuos forestales, agr\u00edcolas y dom\u00e9sticos. Esta biomasa puede ser aprovechada por diferentes industrias emple\u00e1ndose m\u00e9todos biol\u00f3gicos, basados en el uso de microorganismos o enzimas. Son pocos los microorganismos capaces de alterar significativamente la lignina, destacando el papel que juegan los hongos y los actinomicetos, sobre todo el g\u00e9nero streptomyces, bacteria gram positiva filamentosa. Estudios realizados en nuestro laboratorio han puesto de manifiesto la capacidad de diferentes cepas de estreptomicetos para colonizar, e incluso deslignificar, sustratos lignocelul\u00f3sicos.  en el presente trabajo se ha optimizado la producci\u00f3n de actividad lacasa por streptomyces cyaneus cect 3335 en medios de cultivo sumergidos, as\u00ed como, la purificaci\u00f3n y caracterizaci\u00f3n f\u00edsico-qu\u00edmica de la misma. De manera simult\u00e1nea, se ha llevado a cabo la caracterizaci\u00f3n molecular y el aislamiento e identificaci\u00f3n de las secuencias g\u00e9nicas responsables de la actividad. Por \u00faltimo, se ha estudiado su posible aplicaci\u00f3n en procesos de blanqueo de pastas de papel.  los resultados obtenidos han puesto de manifiesto que la actividad lacasa purificada presente caracter\u00edsticas \u00fanicas entre las descritas para lacasas f\u00fangicas y bacterianas, pudiendo estar constituida por dos subunidades que estar\u00edan actuando de manera coordinad. Adem\u00e1s, del ensayo del blanqueo de pastas kraft de eucalipto, se puede deducir que la enzima es capaz de deslignificar dicha pasta, potenciando el efecto blanqueante del per\u00f3xido de hidr\u00f3geno, lo que demuestra su efectividad para ser aplicada a nivel industrial.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Caracterizacion de la actividad lacasa producida por streptomyces cyaneus cect 335 y su aplicacion en la industria papelera<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Caracterizacion de la actividad lacasa producida por streptomyces cyaneus cect 335 y su aplicacion en la industria papelera <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Mar\u00eda  Rosa Arenas Carus <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Alcal\u00e1<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 17\/12\/2004<\/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>Mar\u00eda Enriqueta Arias Fern\u00e1ndez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Miguel \u00e1ngel Falc\u00f3n sanabria <\/li>\n<li>Antonio Sanchez amat (vocal)<\/li>\n<li>Francisco ignacio Javier Pastor blasco (vocal)<\/li>\n<li>Juan a P\u00e9rez torres (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Mar\u00eda Rosa Arenas Carus La lignocelulosa es un sustrato que se encuentra abundantemente en la naturales, principalmente [&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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