{"id":74058,"date":"2018-03-09T23:19:02","date_gmt":"2018-03-09T23:19:02","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/analisis-de-factores-de-patogenicidad-y-virulencia-en-el-hongo-fusarium-oxysporum-f-sp-phaseoli\/"},"modified":"2018-03-09T23:19:02","modified_gmt":"2018-03-09T23:19:02","slug":"analisis-de-factores-de-patogenicidad-y-virulencia-en-el-hongo-fusarium-oxysporum-f-sp-phaseoli","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/analisis-de-factores-de-patogenicidad-y-virulencia-en-el-hongo-fusarium-oxysporum-f-sp-phaseoli\/","title":{"rendered":"Analisis de factores de patogenicidad y virulencia en el hongo fusarium oxysporum f.sp. phaseoli"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Ramos Martinez Mar\u00eda  Brisa <\/strong><\/h2>\n<p>Una de las enfermedades m\u00e1s importantes de la jud\u00eda com\u00fan (phaseolus vulgaris l.) Es la fusariosis vascular, producida por el hongo fitopat\u00f3geno fusarium oxysporum f.Sp. Phaseoli.  el presente trabajo se ha centrado en el estudio de las diferencias moleculares entre pat\u00f3genos y sapr\u00f3fitos.  hemos aislado y caracterizado dos nuevos genes, ftf1 y ftf2 (fusarium transcription factor 1 y 2), que codifican para dos factores de transcripci\u00f3n muy similares en su secuencia pero involucrados de manera diferente en los procesos de patogenicidad. Las regiones promotoras, la arquitectura gen\u00f3mica, la distribuci\u00f3n entre aislados sapr\u00f3fitos y pat\u00f3genos, y los patrones de expresi\u00f3n son tambi\u00e9n diferentes entre ftf1 y ftf2.  ftf1 es un gen multicopia presente exclusivamente en el cromosoma de menor tama\u00f1o de pat\u00f3genos muy virulentos. Posee m\u00faltiples cajas tata en el promotor, y la presencia de un transpos\u00f3n denominado marsu ligado a ftf1 en fusarium oxysporum f.Sp. Phaseoli.  el mutante interrumpido de ftf1a ha confirmado que m\u00e1s de una copia permanece activa, y que la expresi\u00f3n de ftf1 se incrementa dr\u00e1sticamente en las primeras etapas de la infecci\u00f3n.  ftf2 es un gen de copia \u00fanica localizado aguas abajo de un hom\u00f3logo al gen bimb descrito en aspergillus nidulans, en uno de los cromosomas de mediano tama\u00f1o de aislados no pat\u00f3genos, pat\u00f3genos poco y muy virulentos. en la regi\u00f3n promotora presenta una \u00fanica probable caja tata. Se expresa en todos los aislados.  hemos localizado ftf2 en otras formas especiales de fusarium oxysporum, en otras especies del g\u00e9nero fusarium, y en otros hongos tanto pat\u00f3genos como no pat\u00f3genos.  los resultados obtenidos sugieren que ftf1 podr\u00eda ser producto de un evento de duplicaci\u00f3n a partir de ftf2 en aislados pat\u00f3genos muy virulentos, y que ha adquirido un patr\u00f3n de expresi\u00f3n diferente durante la evoluci\u00f3n, as\u00ed como la presencia de marsu podr\u00eda estar involucrada en las subse<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Analisis de factores de patogenicidad y virulencia en el hongo fusarium oxysporum f.sp. phaseoli<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Analisis de factores de patogenicidad y virulencia en el hongo fusarium oxysporum f.sp. phaseoli <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Ramos Martinez Mar\u00eda  Brisa <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Salamanca<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 20\/05\/2005<\/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 Mar\u00eda D\u00edaz M\u00ednguez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: marcelino P\u00e9rez de la vega <\/li>\n<li>Antonio Di pietro (vocal)<\/li>\n<li> Gonzalez jaen Mar\u00eda  teresa (vocal)<\/li>\n<li>Fernando Manuel Alves santos (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Ramos Martinez Mar\u00eda Brisa Una de las enfermedades m\u00e1s importantes de la jud\u00eda com\u00fan (phaseolus vulgaris l.) [&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":[36483,36606,494,35,5220,7840,1654,278,9386],"tags":[66145,160566,117336,81240,4483,160565],"class_list":["post-74058","post","type-post","status-publish","format-standard","hentry","category-biologia-molecular","category-biologia-molecular-de-microorganismos","category-ciencias-agrarias","category-ciencias-de-la-vida","category-fitopatologia-agricola","category-hongos","category-micologia","category-microbiologia","category-salamanca","tag-antonio-di-pietro","tag-fernando-manuel-alves-santos","tag-gonzalez-jaen-maria-teresa","tag-jose-maria-diaz-minguez","tag-marcelino-perez-de-la-vega","tag-ramos-Martinez-maria-brisa"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/74058","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=74058"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/74058\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=74058"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=74058"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=74058"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}