{"id":80890,"date":"2018-03-10T00:04:40","date_gmt":"2018-03-10T00:04:40","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estudios-sobre-transferencia-horizontal-genica-en-la-evolucion-molecular-de-bacterias-y-hongos-caracterizacion-en-las-glicosil-hidrolasas\/"},"modified":"2018-03-10T00:04:40","modified_gmt":"2018-03-10T00:04:40","slug":"estudios-sobre-transferencia-horizontal-genica-en-la-evolucion-molecular-de-bacterias-y-hongos-caracterizacion-en-las-glicosil-hidrolasas","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/estudios-sobre-transferencia-horizontal-genica-en-la-evolucion-molecular-de-bacterias-y-hongos-caracterizacion-en-las-glicosil-hidrolasas\/","title":{"rendered":"Estudios sobre transferencia horizontal g\u00e9nica en la evoluci\u00f3n molecular de bacterias y hongos. caracterizaci\u00f3n en las glicosil hidrolasas."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Santiago Garcia Vallv\u00e9 <\/strong><\/h2>\n<p>Mediante una combinaci\u00f3n de los an\u00e1lisis del contenido en g+c, del uso de codones y an\u00e1lisis filogen\u00e9ticos se proponen varios caasos de transferencia horizontal g\u00e9nica de glicosil hodrolasas, los enzimas responsables de la rotura de los enlaces o-glicos\u00eddicos. Contretamente, se proponen que los genes yagh de escherichia coli, xyna y xynb de bacillus subtilis fueron adquiridos mediante transferncia horizontal g\u00e9nica. Tambi\u00e9n se proponen como casos de transferencia horizontal las glicosil hidrolasas, cuyas secuencias se conocen, de los hongos que viven en el rumen de los naimlaes rumiantes.  estas glicosil hodrolasas presentan una mayor similitud conglicosil hidrolasa de bacterias que con secuencias otros hongos. Esta transferencia habr\u00eda permitido a un hongo ancestral colonizar un nuevo h\u00e1bitat, el rumen de los animales rumiante, y explicar\u00eda porque todos los hongos que se encuentran en el rumen de los animales rumiantes, y explicar\u00eda porque todos los hongos que se encuentran en el rumen de los animales rumiantes son de la clase neocallimasticales. Finalmente, se identifican mediante el an\u00e1lisis del genoma completo de las bacterias escherichia coli, bacillus subtilis y an\u00e1lisis del genoma completo de las bacterias exherichia colii, bacillus subtilis y mycobacterium tuberculosis, todos aquellos genes que pueden ser casos de transferencia horizontal. Mucho de estos genes se encuentran en estructura de operones en regiones ricas o pobres en el contenido g+c. contretamente se propone que aproximadamente el 16%, 12% y 5% de los genes de b. Subtilis, e. Coli y m. Tuberculosis, respectivamente,pueden haber sido adquiridos horizontalmente.  a nivel metodol\u00f3gico se han desarrollado nuevas herramientas para comparar el uso de codones entre genes y entre un gen y la media de un organismo, as\u00ed como para detectar aquellos genes de un genoma completo que se desv\u00edan en el contenido g+c y\/o en el uso de codones. Esta metodolog\u00eda est\u00e1 ba<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudios sobre transferencia horizontal g\u00e9nica en la evoluci\u00f3n molecular de bacterias y hongos. caracterizaci\u00f3n en las glicosil hidrolasas.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudios sobre transferencia horizontal g\u00e9nica en la evoluci\u00f3n molecular de bacterias y hongos. caracterizaci\u00f3n en las glicosil hidrolasas. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Santiago Garcia Vallv\u00e9 <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Rovira i virgili<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 13\/10\/1999<\/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>Jaume Palau Albet<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: llu\u00eds Arola ferrer <\/li>\n<li>enrique Querol murillo (vocal)<\/li>\n<li>Juan  Antonio Subirana torrent (vocal)<\/li>\n<li>jaume Bagu\u00f1\u00ed\u00a0 monjo (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Santiago Garcia Vallv\u00e9 Mediante una combinaci\u00f3n de los an\u00e1lisis del contenido en g+c, del uso de codones [&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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