{"id":70301,"date":"2018-03-09T23:14:48","date_gmt":"2018-03-09T23:14:48","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/produccion-de-proteasas-extracelulares-por-serratia-marcescens-en-medios-proteicos\/"},"modified":"2018-03-09T23:14:48","modified_gmt":"2018-03-09T23:14:48","slug":"produccion-de-proteasas-extracelulares-por-serratia-marcescens-en-medios-proteicos","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/oviedo\/produccion-de-proteasas-extracelulares-por-serratia-marcescens-en-medios-proteicos\/","title":{"rendered":"Producci\u00f3n de proteasas extracelulares por serratia marcescens en medios proteicos"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Ust\u00e1riz Fajardo Francisco Javier <\/strong><\/h2>\n<p>Las enzimas proteol\u00edticas por su gran diversidad y alta especificidad, presentan numerosas aplicaciones a nivel industrial, as\u00ed como en campos de la investigaci\u00f3n cl\u00ednica y anal\u00edtica, alcanzando precios relativamente elevados en el mercado. Por lo tanto, la b\u00fasqueda de nuevas fuentes de producci\u00f3n y\/o la optimizaci\u00f3n del proceso de producci\u00f3n de proteasas constituyen el objetivo principal de muchas investigaciones.  el presente trabajo se centr\u00f3 en llevar a cabo el estudio de las principales variables fisicoqu\u00edmicas que afectan el proceso de producci\u00f3n de proteasas por s. Mascescens mediante fermentaci\u00f3n de lactosuero dulce fresco. Se realizaron experimentos sucesivos en distintas condiciones experimentales con el fin de para seleccionar valores \u00f3ptimos de ph, temperatura, concentraci\u00f3n inicial de prote\u00ednas y concentraci\u00f3n de ox\u00edgeno disuelto. Asimismo, se llev\u00f3 a cabo una selecci\u00f3n del m\u00e9todo m\u00e1s adecuado de pretratamiento lactosuero microfiltrado, pasteurizado y doblemente pasteurizado. Las condiciones de operaci\u00f3n seleccionadas como \u00f3ptimas contribuyeron a mejorar significativamente la producci\u00f3n de proteasas, alcanzando niveles de concentraci\u00f3n superiores a los descritos en trabajos previos.  con el fin de conseguir un mejor conocimiento y control del sistema se estudi\u00f3 la evoluci\u00f3n de la concentraci\u00f3n de las prote\u00ednas mayoritarias del lactosuero durante la fermentaci\u00f3n. El estudio permiti\u00f3 establecer el patr\u00f3n de degradaci\u00f3n y\/o consummo para las diferentes prote\u00ednas durante el proceso de producci\u00f3n proteasas. Adem\u00e1s, mediante el empleo de un medio preparado con prote\u00ednas comerciales se determin\u00f3 la influencia individual de cada una de las prote\u00ednas mayoritarias del lactosuero sobre la producci\u00f3n de proteasas. Los resultados de la actividad proteol\u00edtica espec\u00edfica indicaron cambios tanto en los niveles de producci\u00f3n como en el tipo de proteasa producida de forma mayoritaria, lo que indica<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Producci\u00f3n de proteasas extracelulares por serratia marcescens en medios proteicos<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Producci\u00f3n de proteasas extracelulares por serratia marcescens en medios proteicos <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Ust\u00e1riz Fajardo Francisco Javier <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Oviedo<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 24\/09\/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>Mario Diaz Fernandez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Miguel angel Galan serrano <\/li>\n<li>celina Quir\u00f3s d\u00edaz (vocal)<\/li>\n<li>severino Su\u00e1rez pandiella (vocal)<\/li>\n<li> Longo gonz\u00e1lez Mar\u00eda asunci\u00f3n (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Ust\u00e1riz Fajardo Francisco Javier Las enzimas proteol\u00edticas por su gran diversidad y alta especificidad, presentan numerosas aplicaciones [&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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