{"id":59713,"date":"2007-06-07T00:00:00","date_gmt":"2007-06-07T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/ingenieria-metabolica-de-la-biosa%c2%adntesis-de-monoterpenos-en-lavandula-talifolia\/"},"modified":"2007-06-07T00:00:00","modified_gmt":"2007-06-07T00:00:00","slug":"ingenieria-metabolica-de-la-biosa%c2%adntesis-de-monoterpenos-en-lavandula-talifolia","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisiologia-vegetal\/ingenieria-metabolica-de-la-biosa%c2%adntesis-de-monoterpenos-en-lavandula-talifolia\/","title":{"rendered":"\u00abingenier\u00eda metab\u00f3lica de la bios\u00edntesis de monoterpenos en lavandula talifolia\u00bb"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Jes\u00fas Mu\u00f1oz  Bertomeu <\/strong><\/h2>\n<p>El espliego (lavandula latifolia medicus) es un arbusto arom\u00e1tico con un gran valor econ\u00f3mico debido a su contenido en aceites esenciales, utilizados en las industrias farmac\u00e9utica, cosm\u00e9tica, de perfumes y agroalimentaria. El objetivo de esta tesis fue mejorar la producci\u00f3n del aceite esencial del espliego utilizando m\u00e9todos de mejora convencionales y biotecnol\u00f3gicos (ingenier\u00eda metab\u00f3lica de la bios\u00edntesis de monoterpenos,  principales constituyentes del aceite esencial del espliego). En primer lugar, se estudi\u00f3 la variaci\u00f3n del aceite esencial entre y dentro de 7 poblaciones de espliego de la comunidad Valenciana. La producci\u00f3n de aceite, siempre mayor en flores que en hojas, vari\u00f3 dentro y entre poblaciones, aunque el an\u00e1lisis jer\u00e1rquico de la varianza demostr\u00f3 que la proporci\u00f3n de variaci\u00f3n atribuible a los individuos fue significativamente superior a la  debida a diferencias entre las poblaciones. Los an\u00e1lisis de ordenaci\u00f3n de los constituyentes de los aceites permiti\u00f3 distinguir tres grupos caracterizados por un contenido elevado, intermedio o  bajo en linalol, que se correlacionaron, respectivamente, con los pisos supra-, meso- y termo-mediterr\u00e1neo donde se localizan las poblaciones. La mejora biotecnol\u00f3gica se abord\u00f3 mediante la sobreexpresi\u00f3n de genes que codifican tanto enzimas clave de las rutas plastidial (ruta del metileritritol fosfato,  mep) y citos\u00f3lica (ruta del mevalonato, mva), como de las fases finales de la bios\u00edntesis de  monoterpenos (monoterpeno sintasas). La sobreexpresi\u00f3n del gen dxs, que codifica  la primera enzima (1-deoxi-d-xilulosa fosfato sintasa) de la ruta mep condujo a incrementos significativos en la producci\u00f3n de aceite esencial (incrementos del 101.49 al 359.04% y del 17.17 al 74.11% en hojas y flores, respectivamente). La sobreexpresi\u00f3n del gen hmg1, que codifica la enzima hmgr (3-hidroxi-3-metilglutaril coa reductasa), reguladora de la ruta mva,  tambi\u00e9n incremento la producci\u00f3n del aceite esen<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>\u00abingenier\u00eda metab\u00f3lica de la bios\u00edntesis de monoterpenos en lavandula talifolia\u00bb<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 \u00abingenier\u00eda metab\u00f3lica de la bios\u00edntesis de monoterpenos en lavandula talifolia\u00bb <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Jes\u00fas Mu\u00f1oz  Bertomeu <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Universitat de val\u00e9ncia (estudi general)<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 06\/07\/2007<\/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>Juan Segura Garcia Del Rio<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: albert Boronat margosa <\/li>\n<li>roc Ros palau (vocal)<\/li>\n<li>Javier Palaz\u00f3n barandela (vocal)<\/li>\n<li>Mar\u00eda  purificaci\u00f3n Corchete s\u00e1nchez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Jes\u00fas Mu\u00f1oz Bertomeu El espliego (lavandula latifolia medicus) es un arbusto arom\u00e1tico con un gran valor econ\u00f3mico [&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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