{"id":79666,"date":"2018-03-09T23:25:30","date_gmt":"2018-03-09T23:25:30","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/cytogenetics-and-molecular-analysis-of-nuclear-ribosomal-genes-and-anonymous-regions-assessment-of-different-razor-clam-populations\/"},"modified":"2018-03-09T23:25:30","modified_gmt":"2018-03-09T23:25:30","slug":"cytogenetics-and-molecular-analysis-of-nuclear-ribosomal-genes-and-anonymous-regions-assessment-of-different-razor-clam-populations","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/cytogenetics-and-molecular-analysis-of-nuclear-ribosomal-genes-and-anonymous-regions-assessment-of-different-razor-clam-populations\/","title":{"rendered":"Cytogenetics and molecular analysis of nuclear ribosomal genes and anonymous regions: assessment of different razor clam populations"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Juan Fernandez Tajes <\/strong><\/h2>\n<p>Las navajas son un grupo de moluscos bivalbos que agrupan especies de los g\u00e9neros ensis y solen. Recientemente se han iniciado diferentes estudios sobre su biolog\u00eda y ecolog\u00eda con el fin de mejorar la producci\u00f3n y explotaci\u00f3n de estos recursos marinos de gran inter\u00e9s comercial nacional y gallego.  hasta el momento, los estudios gen\u00e9ticos son practicamente inexistentes por lo que en este trabajo de tesis doctoral se han planteado los siguientes objetivos; analizar las caracter\u00edsticas citogen\u00e9ticas de ensis arcuatus, e. Siliqua y solen marginatus, llevar a cabo el an\u00e1lisis molecular de los genes ribosomales nucleares adnr 18s-5, 8s-28s y adnr 5s en diferentes poblaciones europeas de navajas y establecer la variabilidad gen\u00e9tica y la estructura poblacional en e.Arcuaturs, e. Siliqua y e. Directurs de galicia, portugal, irlanda y holanda mediante los marcadores moleculares de regiones an\u00f3nimas nucleares (rapds).  la caracterizaci\u00f3n citogen\u00e9tica ha revelado que las tres especies analizadas presentan una dotaci\u00f3n cromos\u00f3mica diploide de 2n=38. Las especies e. Arcuatur y e. Siliqua presentan cromosomas accesorios b en n\u00famero variable tanto intra- como interindividual. En las especies e. Arcuatus y e. Siliqua se han encontrado un elevado n\u00famero de regiones gen\u00f3micas ricas en gc. Se localizaron 13 regiones ca3 en e. Siliqua, nueve en e. Arcuatus y dos en s. Marginatus. Se analizan las regiones ag-nors y la posici\u00f3n de los genes ribosomales mendiante fish.  la caracterizaci\u00f3n molecular del gen ribosomal 5s ha revelado que todas las especies poseen un tama\u00f1o de regi\u00f3n codificante de 120 pb, siendo la regi\u00f3n no transcrita de tama\u00f1o variable. Debemos destacar la existencia de al menos tres tipos de nts, el tipo i caracter\u00edstico de e. Arcuatus y e. Siliqua, el nts tipo ii caracter\u00edstico de e. Directus y el nts tipo iii caracter\u00edstico de s. Marginatus. Adem\u00e1s la especie e. Directus mostr\u00f3 otro tipo de nts caracterizado po<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Cytogenetics and molecular analysis of nuclear ribosomal genes and anonymous regions: assessment of different razor clam populations<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Cytogenetics and molecular analysis of nuclear ribosomal genes and anonymous regions: assessment of different razor clam populations <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Juan Fernandez Tajes <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 A coru\u00f1a<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 25\/04\/2006<\/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>Josefina M\u00e9ndez Felpeto<\/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>niall Mcdonough (vocal)<\/li>\n<li>david d. Roberts (vocal)<\/li>\n<li> Gaspar Miguel Jos\u00e9 baptista (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Juan Fernandez Tajes Las navajas son un grupo de moluscos bivalbos que agrupan especies de los g\u00e9neros [&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":[18576,849,35,9224,962,1820],"tags":[170921,170922,13754,170919,4483,170920],"class_list":["post-79666","post","type-post","status-publish","format-standard","hentry","category-a-coruna","category-biologia-celular","category-ciencias-de-la-vida","category-citogenetica","category-genetica","category-genetica-de-poblaciones","tag-david-d-roberts","tag-gaspar-miguel-jose-baptista","tag-josefina-mendez-felpeto","tag-juan-fernandez-tajes","tag-marcelino-perez-de-la-vega","tag-niall-mcdonough"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/79666","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=79666"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/79666\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=79666"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=79666"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=79666"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}