{"id":132394,"date":"1996-01-01T00:00:00","date_gmt":"1996-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/el-herbicida-imazetapir-en-la-simbiosis-guisante-rhizobium\/"},"modified":"1996-01-01T00:00:00","modified_gmt":"1996-01-01T00:00:00","slug":"el-herbicida-imazetapir-en-la-simbiosis-guisante-rhizobium","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/el-herbicida-imazetapir-en-la-simbiosis-guisante-rhizobium\/","title":{"rendered":"El herbicida imazetapir en la simbiosis guisante-rhizobium"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Azucena Gonzalez Garcia <\/strong><\/h2>\n<p>El herbicida imazetapir (im) actua como inhibidor de la actividad del enzima acetolactato sintasa (als, ec 4.1.3.18.), Enzima clave en la ruta biosintetica de los aminoacidos ramificados. Se estudio el efecto del im en pisum sativum l. En simbiosos y la influencia de la condicion simbiotica en su respuesta. Dosis de o,5 mg\/l de im inhiben el crecimiento de guisante en condiciones simbioticas. Sin embargo, rhizobium leguminosarum bv.  viciae es muy tolerante al herbicida correlacionado con una alta actividad especifica als y una menor sensibilidad del enzima al im. La actividad als de guisante es independiente de la nutricion nitrogenada de la planta. Sin embarbo, en el tejido nodular se encuentra mayor actividad especifica y tolerancia al im que en el resto de la planta. El im produce mayor da\u00f1o en plantas reductoras de nitrato que en fijadoras de nitrogeno. En ambos casos, la biosintesis de aminoacidos esta inhibida en igual medida. Los nodulos proporcionan a la planta simbiotica una fuente adicional de aminoacidos ramificados, provocando respuestas fisiologicas al im diferentes en plantas de ambas nutriciones. Estas diferencias son mas evidentes en el proceso fotosintetico que se encuentra ligeramente afectado en plantas simbioticas, mientras que existe una gran inhibicion del mismo en plantas reductoras de nitrato, debido a una disminucion en el contenido de pigmentos.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>El herbicida imazetapir en la simbiosis guisante-rhizobium<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 El herbicida imazetapir en la simbiosis guisante-rhizobium <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Azucena Gonzalez Garcia <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 P\u00fablica de navarra<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1996<\/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>Mercedes Royuela Hernando<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Pedro Aparicio Tejo <\/li>\n<li>Carmen Lluch Pla (vocal)<\/li>\n<li>Rosario De Felipe Anton (vocal)<\/li>\n<li>Jos\u00e9 Mar\u00eda Becerril Soto (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Azucena Gonzalez Garcia El herbicida imazetapir (im) actua como inhibidor de la actividad del enzima acetolactato sintasa [&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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