{"id":60764,"date":"2007-04-10T00:00:00","date_gmt":"2007-04-10T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estudio-de-la-cascada-transcripcional-existente-al-final-de-mitosis-en-schizosaccharomyces-pombe\/"},"modified":"2007-04-10T00:00:00","modified_gmt":"2007-04-10T00:00:00","slug":"estudio-de-la-cascada-transcripcional-existente-al-final-de-mitosis-en-schizosaccharomyces-pombe","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/levaduras\/estudio-de-la-cascada-transcripcional-existente-al-final-de-mitosis-en-schizosaccharomyces-pombe\/","title":{"rendered":"Estudio de la cascada transcripcional existente al final de mitosis en \u00abschizosaccharomyces pombe\u00bb"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Mar\u00eda  Luisa Alonso Nu\u00f1ez <\/strong><\/h2>\n<p>Schizosaccharomyces pombe es una levadura que se divide por fisi\u00f3n en su zona media a trav\u00e9s de un anillo de actomiosina contr\u00e1ctil. Ya que al ser una levadura est\u00e1 rodeada por pared celular, la divisi\u00f3n conlleva tambi\u00e9n la s\u00edntesis de un septo de divisi\u00f3n que tendr\u00e1 que ser degradado para que se complete la separaci\u00f3n celular. As\u00ed, en la separaci\u00f3n celular est\u00e1n implicadas varias glucanasas como la \u00edY-1,3-endoglucanasa eng1p y la alfa-glucanasa agn1p, as\u00ed como otra serie de prote\u00ednas cuya funci\u00f3n es todav\u00eda desconocida, pero cuya deleci\u00f3n produce defectos en separaci\u00f3n celular (adg1p, adg2p y adg3p). los genes que codifican estas prote\u00ednas se expresan c\u00edclicamente con un m\u00e1ximo de expresi\u00f3n justo antes de la septaci\u00f3n, y su expresi\u00f3n est\u00e1 regulada, a trav\u00e9s de la secuencia ccagcc, por el factor de transcripci\u00f3n ace2p, cuya expresi\u00f3n es tambi\u00e9n c\u00edclica y previa a la de sus genes diana. Por otra parte, la expresi\u00f3n de ace2+ est\u00e1 regulada por el pbf (\u00abpcb binding factor\u00bb), formado por los factores \u00abforkhead\u00bbsep1p y fkh2p y la prote\u00edna \u00abmads box\u00bb mbx1p, a trav\u00e9s de las secuencias taaaca y gnaaca (o pcb). Adem\u00e1s, los genes dependientes de ace2p tambi\u00e9n est\u00e1n regulados de diferentes maneras, por los factores fkh2p y mbx1p, aunque el principal responsable de su periodicidad es ace2p. la se\u00f1al que promueve la activaci\u00f3n del programa de separaci\u00f3n celular a trav\u00e9s de ace2p ocurre temporalmente despu\u00e9s de la formaci\u00f3n y el inicio de la contracci\u00f3n del anillo de actomiosina, y para dicha activaci\u00f3n tambi\u00e9n es necesario que se produzca la inactivaci\u00f3n de la ruta sin. adem\u00e1s, ace2p es una fosfoprote\u00edna y su estado de fosforilaci\u00f3n es importante para su estabilidad y su funcionalidad. Las quinasas plo1p, orb6p y sid1p afectan de alguna manera a la localizaci\u00f3n, estabilidad y funci\u00f3n de ace2p.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio de la cascada transcripcional existente al final de mitosis en \u00abschizosaccharomyces pombe\u00bb<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio de la cascada transcripcional existente al final de mitosis en \u00abschizosaccharomyces pombe\u00bb <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Mar\u00eda  Luisa Alonso Nu\u00f1ez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Salamanca<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 04\/10\/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>Carlos Rodr\u00edguez V\u00e1zquez De Aldana<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Mar\u00eda  del pilar Perez gonzalez <\/li>\n<li>Jos\u00e9 arturo Calzada Garc\u00eda (vocal)<\/li>\n<li>Jaime tom\u00e1s Correa bordes (vocal)<\/li>\n<li>Jos\u00e9 Cansado vizoso (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Mar\u00eda Luisa Alonso Nu\u00f1ez Schizosaccharomyces pombe es una levadura que se divide por fisi\u00f3n en su zona [&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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