{"id":85863,"date":"2000-12-07T00:00:00","date_gmt":"2000-12-07T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/relaciones-de-homeologia-entre-trigo-y-especies-afines\/"},"modified":"2000-12-07T00:00:00","modified_gmt":"2000-12-07T00:00:00","slug":"relaciones-de-homeologia-entre-trigo-y-especies-afines","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/relaciones-de-homeologia-entre-trigo-y-especies-afines\/","title":{"rendered":"Relaciones de homeolog\u00eda entre trigo y especies afines."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Belen Maestra Onteniente <\/strong><\/h2>\n<p>En el presente trabajo se establecen las relaciones de homeolog\u00eda entre el trigo alohexaploide. Triticum asetivum, y tres especies deiplides pertencientes a la secci\u00f3n sitopsis: aeglops longissima, ae. Sharonensis y ae. Speltoides, mediante el an\u00e1lisis del apareamietno homeologo en metafase i, inducido por dos mutaciones ph1b y ph2b en los correspondientes h\u00edbridos interespec\u00edfico trigo x aegilps. Los resultados hanpermitido definir su estructura cromos\u00f3mica: en a. Sharonensisi y ae.Speltoides no se ha detectado ninguna modificaci\u00f3n estructual con respecto a t. Aestivum, mientras que en ae. Longissima se produjo una translocaci\u00f3n rec\u00edproca desigual entre los brazos largos de los cromosomas 4a y7s.  se han encontrado dos tipos de apareamiento preferencial a-d y b-s entre los genomios que est\u00e1n compitiendo en los h\u00edbridos, llevando a la conclusi\u00f3n de que el genomio s de cada una de estas especies est\u00e1 casi tan realcionado con el b como el a lo esta con el d. La mutuaci\u00f3nph1b induce unnivel de apareamiento home\u00f3logo superiro al que induce la ph2b, siendo la primera de ma\u00c2\u00bfs utilidad a la hora de transferir genes de inter\u00e9s agron\u00f3mico al trigo, puesto que enlos h\u00edbridos ph1bph1b se producen univalentes, y por tanto gametos desquilibrados, conmenor frecuencia que en los h\u00edbridos ph2bph2b.  sobre el controvertido origen del genomio b de trigo, nuestros resultados apoyan la hip\u00f3tesis de que dicho genomio proviene de ae. Speltoides. Se ha realizado el mismo tipo de an\u00e1lisis en h\u00edbridos. T.Estivum x t. Turgidum (aabbd), t. Aestivum x t. Timpheevii (aabgd) y t. Turgidum x t. Timopheevii (aabg) con el fin de determinar la estructura  cromos\u00f3mica de la especie alotetraploide. T. Timopheevii as\u00ed como de indagar en la evoluci\u00f3n de los dos trigos tetraploides. T. Turgidum y t. Timopheevii. Este estudio revela un grado de relaci\u00f3nsimilar entre los genomios a de t. Astivum y t. Tugidumy el genomio a de t. Timopheeviis, lo que co<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Relaciones de homeolog\u00eda entre trigo y especies afines.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Relaciones de homeolog\u00eda entre trigo y especies afines. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Belen Maestra Onteniente <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Complutense de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 12\/07\/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>Tomas Naranjo Pompa<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal:  Lacdena calero Juan  ramon <\/li>\n<li>Elena Benavente barzana (vocal)<\/li>\n<li>esther Ferrer cebri\u00e1n (vocal)<\/li>\n<li>julio Sanchez rugas (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Belen Maestra Onteniente En el presente trabajo se establecen las relaciones de homeolog\u00eda entre el trigo alohexaploide. [&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":[972,35,962,534],"tags":[180553,9227,16422,180555,180554,31711],"class_list":["post-85863","post","type-post","status-publish","format-standard","hentry","category-botanica","category-ciencias-de-la-vida","category-genetica","category-genetica-vegetal","tag-belen-maestra-onteniente","tag-elena-benavente-barzana","tag-esther-ferrer-cebrian","tag-julio-sanchez-rugas","tag-lacdena-calero-juan-ramon","tag-tomas-naranjo-pompa"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/85863","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=85863"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/85863\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=85863"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=85863"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=85863"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}