{"id":27940,"date":"2018-03-09T09:20:25","date_gmt":"2018-03-09T09:20:25","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/papel-de-la-melatonina-y-del-organo-pineal-en-el-control-de-los-ritmos-circadianos-de-la-lubina\/"},"modified":"2018-03-09T09:20:25","modified_gmt":"2018-03-09T09:20:25","slug":"papel-de-la-melatonina-y-del-organo-pineal-en-el-control-de-los-ritmos-circadianos-de-la-lubina","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/murcia\/papel-de-la-melatonina-y-del-organo-pineal-en-el-control-de-los-ritmos-circadianos-de-la-lubina\/","title":{"rendered":"Papel de la melatonina y del \u00f3rgano pineal en el control de los ritmos circadianos de la lubina"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Mar\u00eda Jos\u00e9 Bayarri Clariana <\/strong><\/h2>\n<p>La naturaleza es un medio cambiante, en el que los factores ambientales var\u00edan de forma c\u00edclica, afectando a los seres vivos. La eficacia con que los seres vivos son capaces de medir el tiempo depende del buen funcionamiento de su sistema circadiano. El sistema circadiano de mam\u00edferos es que ha sido estudiado en mayor profundidad. El de peces, sin embargo, todav\u00eda presenta muchas inc\u00f3gnitas, que se tratan de resolver tomando como modelo principalmente la lubina y tambi\u00e9n el lenguado.  los principales componentes del sistema circadiano son la melatonina, la pineal y los ojos. En esta tesis se estudia c\u00f3mo la pineal secreta melatonina in vitro, los sitios de uni\u00f3n e la melatonina, el papel de la pineal y los ojos en la secreci\u00f3n diaria de meltonina, la influencia de la intensidad, espectro y orientaci\u00f3n de la luz en la producci\u00f3n de melatonina en la lubina, elefecto de la manipulaci\u00f3n fotoperi\u00f3dica sobre los ritmos de melatonina y hormonas de la reproducci\u00f3n de lubinas mantenidas en jaulas flotantes, y los ritmos de melatonina y actividad motora en el lenguado.  los resultados obtenidos muestran que la lubina presenta un marcapasos intrapineal, capaz de generar ritmos end\u00f3genos se secreci\u00f3n de melatonina. los receptores de melatonina se unen a la melatonina de forma saturable, reversible y espec\u00edfica. Existen ritmos diarios en la afinidad y densidad de los receptores de la retina de la lubina, que curiosamente son opuestos, la contrario que en la mayor\u00eda de especies. Los ojos y la pineal son ambos necesarios para mantener los ritmos diarios de secreci\u00f3n de melatonina plasm\u00e1tica, siendo la informaci\u00f3n lum\u00ednica procedente de la retina imprescindible para que las c\u00e9lulas de la pineal secreten melatonina con normalidad. El umbral de intesidad m\u00ednimo necesario para producir inhibici\u00f3n o estimulaci\u00f3n de la secreci\u00f3n de melatonina est\u00e1 alrededor de 6 uw\/cm2, tanto en plasma como en retina. La luz que m\u00e1s afecta a la se<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Papel de la melatonina y del \u00f3rgano pineal en el control de los ritmos circadianos de la lubina<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Papel de la melatonina y del \u00f3rgano pineal en el control de los ritmos circadianos de la lubina <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Mar\u00eda Jos\u00e9 Bayarri Clariana <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Murcia<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 19\/12\/2003<\/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>Francisco Javier S\u00e1nchez V\u00e1zquez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: j. Reiter russel <\/li>\n<li>Manuel Carrillo est\u00e9vez (vocal)<\/li>\n<li>jack Falcon (vocal)<\/li>\n<li> Delgado saavedra Mar\u00eda Jes\u00fas (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Mar\u00eda Jos\u00e9 Bayarri Clariana La naturaleza es un medio cambiante, en el que los factores ambientales var\u00edan [&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":[8235],"tags":[79911,43281,21890,79910,11983,79909],"class_list":["post-27940","post","type-post","status-publish","format-standard","hentry","category-murcia","tag-delgado-saavedra-maria-jesus","tag-francisco-javier-sanchez-vazquez","tag-j-reiter-russel","tag-jack-falcon","tag-manuel-carrillo-estevez","tag-maria-jose-bayarri-clariana"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/27940","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=27940"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/27940\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=27940"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=27940"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=27940"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}