{"id":38524,"date":"2018-03-09T09:38:07","date_gmt":"2018-03-09T09:38:07","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/aislamiento-y-caracterizacion-genica-y-enzimatica-de-la-urato-oxidasa-de-garbanzo-cicer-arietinum\/"},"modified":"2018-03-09T09:38:07","modified_gmt":"2018-03-09T09:38:07","slug":"aislamiento-y-caracterizacion-genica-y-enzimatica-de-la-urato-oxidasa-de-garbanzo-cicer-arietinum","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/aislamiento-y-caracterizacion-genica-y-enzimatica-de-la-urato-oxidasa-de-garbanzo-cicer-arietinum\/","title":{"rendered":"Aislamiento y caracterizaci\u00f3n g\u00e9nica y enzim\u00e1tica de la urato oxidasa de garbanzo (cicer arietinum)"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Jos\u00e9 Redondo Nevado <\/strong><\/h2>\n<p>Los ureidos alanto\u00edna y alantoato son una clase de compuestos org\u00e1nicos que proceden de la oxidaci\u00f3n enzim\u00e1tica de las purinas.  en algunas plantas, los ureidos juegan un papel esencial en la asimilaci\u00f3n, transporte y almacenamiento de nitr\u00f3geno. En particular, las leguminosas se pueden clasificar en amidas y ureidas dependiendo de la forma en la que transportan el nitr\u00f3geno fijado simbi\u00f3ticamente desde los n\u00f3dulos a las partes a\u00e9reas de la planta.  la uricasa (urato: ox\u00edgeno oxido reductasa, ec 1.7.3.3) es la enzima que cataliza la ruptura del anillo pur\u00ednico del urato para dar alanto\u00edna. se trata de una enzima de gran inter\u00e9s para comprender el proceso de asimilaci\u00f3n de los compuestos nitrogenados fijados mediante simbiosis en leguminosas. esta enzima y el gen que la codifica han sido objeto de intensas investigaciones en leguminosas del tipo ureido. Por el contrario, en plantas leguminosas que transportan el nitr\u00f3geno en forma de amidas, el estudio de este gen ha recibido, hasta ahora, escasa atenci\u00f3n.  el garbanzo (cicer arietinum l.) Ha sido descrito como una leguminosa cuyo exudado xilem\u00e1tico conten\u00eda tanto asparragina como alanto\u00edna y \u00e1cido alantoico, comport\u00e1ndose por tanto de una forma intermedia entre las leguminosas de comportamiento ureido y las de comportamiento amida.  el objetivo de esta tesis ha sido profundizar en el conocimiento de la estructura y el comportamiento de los genes y enzimas de la bios\u00edntesis de ureidos, en particular la urato oxidasa. Para ello se ha caracterizado y purificado la enzima de hojas de garbanzo y se ha comparado con la de otras plantas alejadas filogen\u00e9ticamente (cap\u00edtulo i) y se ha clonado el gen que la codifica (cap\u00edtulo ii). As\u00ed mismo, se ha clonado su cdna y se ha estudiado el patr\u00f3n de expresi\u00f3n del gen a lo largo del tiempo en diferentes partes de la planta (cap\u00edtulo iii). Finalmente, el cdna se ha expresado en e.Coli., Y se ha caracterizado la prote\u00edna r<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Aislamiento y caracterizaci\u00f3n g\u00e9nica y enzim\u00e1tica de la urato oxidasa de garbanzo (cicer arietinum)<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Aislamiento y caracterizaci\u00f3n g\u00e9nica y enzim\u00e1tica de la urato oxidasa de garbanzo (cicer arietinum) <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Jos\u00e9 Redondo Nevado <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 C\u00f3rdoba<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 27\/07\/1998<\/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>Jos\u00e9 Luis Caballero Repullo<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: emilio Fernandez reyes <\/li>\n<li>Jos\u00e9 Mar\u00eda Romero  rodr\u00edguez (vocal)<\/li>\n<li>Jos\u00e9 ignacio Cubero salmeron (vocal)<\/li>\n<li>Francisco Fernandez belda (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Jos\u00e9 Redondo Nevado Los ureidos alanto\u00edna y alantoato son una clase de compuestos org\u00e1nicos que proceden de [&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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