{"id":14897,"date":"2018-03-09T09:01:47","date_gmt":"2018-03-09T09:01:47","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/supeoxido-dismutasas-de-nodulos-de-leguminosas\/"},"modified":"2018-03-09T09:01:47","modified_gmt":"2018-03-09T09:01:47","slug":"supeoxido-dismutasas-de-nodulos-de-leguminosas","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/supeoxido-dismutasas-de-nodulos-de-leguminosas\/","title":{"rendered":"Supe\u00f3xido dismutasas de n\u00f3dulos de leguminosas"},"content":{"rendered":"<h2>Tesis doctoral de <strong> M. Carmen Rubio Luna <\/strong><\/h2>\n<p>El enzima antioxidante super\u00f3xido dismutasa (sod, ec 1.15.1.1) constituye una de las defensas primarias de las c\u00e9lulas frente al estr\u00e9s oxidativo. la familia de las sods est\u00e1 compuesta por metaloprote\u00ednas que catalizan la reacci\u00f3n de dismutaci\u00f3n del radical super\u00f3xido a o2 y h2o2. Existen tres tipos de sods seg\u00fan el cofactor met\u00e1lico en el sitio activo; mnsod, fesod y cuznsod. Estas tres sods presentan diferentes propiedades moleculares, incluyendo diferente sensibilidad a inhibidores, y se encuentran localizadas en distintos compartimentos subcelulares. As\u00ed, las mnsods (resistentes a kcn y h2o2) se encuentran en la matriz mitocondrial, peroxisomas y bacteroides; las cuznsods (sensibles a kcn y h2o2) se localizan principalmente en el citosol y cloroplastos; y las fesods (resistentes a kcn y sensibles a h2o2) se han detectado en el estroma cloropl\u00e1stico.  en este trabajo, se ha realizado un estudio detallado de la composici\u00f3n isoenzim\u00e1tica de las sods en n\u00f3dulos de ocho especies de leguminosas de inter\u00e9s agron\u00f3mico. Asimismo, se ha estudiado a nivel molecular las fesods, que constituyen el grupo de isoenzimas menos conocido en plantas, de n\u00f3dulos de alfalfa.  el an\u00e1lisis de la composici\u00f3n isoenzim\u00e1tica en geles de actividad, incubados o no con inhibidores, mostr\u00f3 que todos los n\u00f3dulos conten\u00edan al menos dos cuznsods (citos\u00f3lica y plastidial) y una mnsod mitocondrial. Asimismo, se detect\u00f3 abundante actividad fesod en la mayor\u00eda de los n\u00f3dulos de las especies estudiadas. Tambi\u00e9n se observ\u00f3 una nueva sod (resistente a kcn y h2o2) muy activa en algunos n\u00f3dulos indeterminados.  el estudio a nivel molecular revel\u00f3 la existencia de al menos tres genes que codifican fesods en alfalfa. Las secuencias de las prote\u00ednas deducidas conten\u00edan un p\u00e9ptido se\u00f1al plastidial y presentaban una elevada homolog\u00eda con las fesods de otras leguminosas. El an\u00e1lisis filogen\u00e9tico permiti\u00f3 distinguir al menos dos tipos de fesod<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Supe\u00f3xido dismutasas de n\u00f3dulos de leguminosas<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Supe\u00f3xido dismutasas de n\u00f3dulos de leguminosas <\/li>\n<li><strong>Autor:<\/strong>\u00a0 M. Carmen Rubio Luna <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Zaragoza<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 20\/12\/2001<\/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>Manuel Becana Ausejo<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: jose Olivares pascual <\/li>\n<li>carmen Gonzalez murua (vocal)<\/li>\n<li>pedro Aparicio-tejo (vocal)<\/li>\n<li>cesar Arrese-igor (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de M. Carmen Rubio Luna El enzima antioxidante super\u00f3xido dismutasa (sod, ec 1.15.1.1) constituye una de las defensas [&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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[972,35,479,13610],"tags":[13122,38811,4373,47750,35676,13124],"class_list":["post-14897","post","type-post","status-publish","format-standard","hentry","category-botanica","category-ciencias-de-la-vida","category-fisiologia-vegetal","category-zaragoza","tag-carmen-gonzalez-murua","tag-cesar-arrese-igor","tag-jose-olivares-pascual","tag-m-carmen-rubio-luna","tag-manuel-becana-ausejo","tag-pedro-aparicio-tejo"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/14897","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/comments?post=14897"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/14897\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=14897"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=14897"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=14897"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}