{"id":56408,"date":"2018-03-09T22:44:10","date_gmt":"2018-03-09T22:44:10","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/identificacion-y-estudio-de-dhgzf3-dhkha1-y-dhgapdh-tres-determinantes-de-halotolerancia-en-la-levadura-marina-debaryomyces-hansenii\/"},"modified":"2018-03-09T22:44:10","modified_gmt":"2018-03-09T22:44:10","slug":"identificacion-y-estudio-de-dhgzf3-dhkha1-y-dhgapdh-tres-determinantes-de-halotolerancia-en-la-levadura-marina-debaryomyces-hansenii","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/cordoba\/identificacion-y-estudio-de-dhgzf3-dhkha1-y-dhgapdh-tres-determinantes-de-halotolerancia-en-la-levadura-marina-debaryomyces-hansenii\/","title":{"rendered":"Identificaci\u00f3n y estudio de dhgzf3, dhkha1 y dhgapdh, tres determinantes de halotolerancia en la levadura marina debaryomyces hansenii"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Raul Garcia Salcedo <\/strong><\/h2>\n<p>La agricultura de amplias zonas \u00e1ridas y semi\u00e1ridas del mundo depende del riego y se enfrena a un grave problema: aumentar o al menos mantener la productividad de los cultivos a la vez que el suelo y el agua se vuelven m\u00e1s salino. Aunque el problema de la salinizaci\u00f3n afecta fundamentalmente a plantas de inter\u00e9s agr\u00edcola, estas no son los \u00fanicos sistemas modelos empleados para la investigaci\u00f3n en esta \u00e1rea. saccharomyces cervisis constituye un modelo experimental simple y de f\u00e1cil manejo que es frecuentemente empleado en estudio de salinidad. En el presente trabajo se propone como organismo modelo para realizar este tipo de investigaciones a debarymoyces hansenii, una levadura m\u00e1s tolerante a sal que s.Cerevisiae, y que por esta raz\u00f3n ofrece ciertas ventajas para la identificaci\u00f3n de nuevos factores gen\u00e9ticos implicados en los mecanismos de tolerancia a sal. D.Hansenii es una levadura marina que tambi\u00e9n habita en otros ambientes salobre y embutidos raz\u00f3n por la cual ha sido definida como una levadura osmo-, cero- y halotolerante.  en este trabajo de tesis hemos abordado el estudio de la halotolerancia y la tolerancia a elevado ph en d.Hansenii mediante la b\u00fasqueda de nuevos genes (gzf3 y tdh1) implicados en estos procesos as\u00ed como mediante el estudio de un gen previamente descrito en s.Cerevisiae (kha1) en relaci\u00f3n con el mecanismo de halotolerancia. el gen dhgzf3 codifica el primer factor de transcripci\u00f3n de la familia gata identificado en d.Hansenii. El an\u00e1lisis de este gen basado en su sobreexpresi\u00f3n en s.Cerevisiae, sugiere que al igual que scgzf3 regula negativamente la expresi\u00f3n de los genes sensibles a regulaci\u00f3n catab\u00f3lica por nitr\u00f3geno (rcn), pero que se difiera del gen de s.Cerevisiae por su participaci\u00f3n en ciertos fen\u00f3menos como la tolerancia a ph alcalino y a sal.  la expresi\u00f3n de dhgzf3 confiere a s.Cerevisiae un fenotipo de tolerancia de elevado ph y a ciertas drogas como la rapamicina as\u00ed como un fenotipo de sensibil<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Identificaci\u00f3n y estudio de dhgzf3, dhkha1 y dhgapdh, tres determinantes de halotolerancia en la levadura marina debaryomyces hansenii<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Identificaci\u00f3n y estudio de dhgzf3, dhkha1 y dhgapdh, tres determinantes de halotolerancia en la levadura marina debaryomyces hansenii <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Raul Garcia Salcedo <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 C\u00f3rdoba<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 21\/12\/2006<\/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 Ramos Ruiz<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: emilio Fernandez reyes <\/li>\n<li>concepcion Gil garcia (vocal)<\/li>\n<li>M\u00aa carmen Mill\u00e1n p\u00e9rez (vocal)<\/li>\n<li> Siverio exposito Jos\u00e9 m. (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Raul Garcia Salcedo La agricultura de amplias zonas \u00e1ridas y semi\u00e1ridas del mundo depende del riego y [&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":[973,984],"tags":[50945,1981,1940,20912,124619,119165],"class_list":["post-56408","post","type-post","status-publish","format-standard","hentry","category-cordoba","category-levaduras","tag-concepcion-gil-garcia","tag-emilio-fernandez-reyes","tag-jose-ramos-ruiz","tag-ma-carmen-millan-perez","tag-raul-garcia-salcedo","tag-siverio-exposito-jose-m"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/56408","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=56408"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/56408\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=56408"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=56408"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=56408"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}