{"id":83453,"date":"2018-03-10T00:07:35","date_gmt":"2018-03-10T00:07:35","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/regulacion-de-la-expresion-de-la-carboxipeptidadas-y-de-levadura-de-fision-schizosaccharamyces-pombe\/"},"modified":"2018-03-10T00:07:35","modified_gmt":"2018-03-10T00:07:35","slug":"regulacion-de-la-expresion-de-la-carboxipeptidadas-y-de-levadura-de-fision-schizosaccharamyces-pombe","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/regulacion-de-la-expresion-de-la-carboxipeptidadas-y-de-levadura-de-fision-schizosaccharamyces-pombe\/","title":{"rendered":"Regulacion de la expresion de la carboxipeptidadas y de levadura de fision schizosaccharamyces pombe"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Alvarado Peral M. Eugenia <\/strong><\/h2>\n<p>La regulaci\u00f3n de la expresi\u00f3n g\u00e9nica es un aspecto fundamental en procesos tales como el crecimiento celular, la diferenciaci\u00f3n de organismos pluricelulares o la respuesta celular a condiciones ambientales cambiantes.  uno de los mecanismos gen\u00e9ricos de control transcripcional en levadruas es la represi\u00f3n catab\u00f3lica por nitr\u00f3geno, fen\u00f3meno mediante el cual la presencia en el medio de cultivo de fuentes nitrogenadas de f\u00e1cil utilizaci\u00f3n, reprime la s\u00edntesis de permeasas y enzimas necesarios para la utilizaci\u00f3n de fuentes de nitr\u00f3geno secundarias.  en esta tesis se ha aislado y secuenciado el gen cpy1+ que codifica la carbopeptidasa y de la levadura de fisi\u00f3n shizosaccharomyces pombe, una preprote\u00edna de 1002 amino\u00e1cidos, en cuyo extremo carboxilo terminal se localiza el dominio t\u00edpico de ser\u00edn carboxipeptidasas de la familia s10.  la transcripci\u00f3n del gen cpy+esta regulada mediante represi\u00f3n catab\u00f3lica por nitr\u00f3geno, elev\u00e1ndose los niveles de mensajero y de actividad enzim\u00e1tica al eliminar la fuente de nitr\u00f3geno del medio o al proporcionar a las c\u00e9lulas una fuente de dificil utilizaci\u00f3n como la prolina. Adem\u00e1s, el dipeptido a-phe-leu-oh parece comparterse como un inductor de la expresi\u00f3n del gen.  situaciones de estr\u00e9s, como el choque t\u00e9rmico y osm\u00f3tico, parecen no tener efecto sobre la expresi\u00f3n del gen, el cual no est\u00e1 sometido a represi\u00f3n catab\u00f3lica por glucosa.  el an\u00e1lisis inform\u00e1tico de la regi\u00f3n promotora revel\u00f3 la presencia de nueve secuencias consenso para la uni\u00f3n de factores de transcripci\u00f3n de la familia gata, implicados en el metabolismo del nitr\u00f3geno.  la regi\u00f3n comprendida entre las posiciones -195 y -154, que contiene dos secuencias tatc orientadas cabeza\/cola separadas por 25 pb, es capaz de unir posibles factores de transcripci\u00f3n, tanto en condiciones represores, como depresores, como de ayuno corto de nitr\u00f3geno.  la regi\u00f3n comprendida entre las posiciones -116 y -93,q<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Regulacion de la expresion de la carboxipeptidadas y de levadura de fision schizosaccharamyces pombe<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Regulacion de la expresion de la carboxipeptidadas y de levadura de fision schizosaccharamyces pombe <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Alvarado Peral M. Eugenia <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Oviedo<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 21\/02\/2000<\/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> Suarez Rendueles M. Paz<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: germ\u00e1n Larriba calle <\/li>\n<li> Fernandez perez Mar\u00eda  rosa (vocal)<\/li>\n<li> Cerdan villanueva Mar\u00eda  esperanza (vocal)<\/li>\n<li>Jos\u00e9 Manuel Siverio exposito (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Alvarado Peral M. Eugenia La regulaci\u00f3n de la expresi\u00f3n g\u00e9nica es un aspecto fundamental en procesos tales [&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":[160,115,35,984,278,8846,17],"tags":[176860,163405,176861,2980,26191,9362],"class_list":["post-83453","post","type-post","status-publish","format-standard","hentry","category-bioquimica","category-bioquimica-molecular","category-ciencias-de-la-vida","category-levaduras","category-microbiologia","category-oviedo","category-quimica","tag-alvarado-peral-m-eugenia","tag-cerdan-villanueva-maria-esperanza","tag-fernandez-perez-maria-rosa","tag-german-larriba-calle","tag-jose-manuel-siverio-exposito","tag-suarez-rendueles-m-paz"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/83453","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=83453"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/83453\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=83453"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=83453"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=83453"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}