{"id":59048,"date":"2018-03-09T22:46:53","date_gmt":"2018-03-09T22:46:53","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/senales-fiables-en-la-perdiz-roja-alectoris-rufa-condicion-fisica-testosterona-y-carotenoides\/"},"modified":"2018-03-09T22:46:53","modified_gmt":"2018-03-09T22:46:53","slug":"senales-fiables-en-la-perdiz-roja-alectoris-rufa-condicion-fisica-testosterona-y-carotenoides","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ecologia-animal\/senales-fiables-en-la-perdiz-roja-alectoris-rufa-condicion-fisica-testosterona-y-carotenoides\/","title":{"rendered":"Se\u00f1ales fiables en la perdiz roja (alectoris rufa), condicion fisica, testosterona y  carotenoides"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Lorenzo Perez Rodriguez <\/strong><\/h2>\n<p>Los ornamentos que muestran muchas especies han evolucionado como consecuencia de la selecci\u00f3n sexual, de tal forma que dichos caracteres podr\u00edan funcionar como se\u00f1ales fiables de calidad individual. En concreto, muchas de las coloraciones amarillas, anaranjadas o rojas que lucen los animales, como las aves, son debidas a carotenoides, pigmentos que el individuo no puede sintetizar (y debe, por tanto, ingerirlos en la dieta), pero que adem\u00e1s tienen propiedades antioxidantes e inmunoestimulantes. En este contexto, tambi\u00e9n son particularmente interesantes aquellos caracteres cuya expresi\u00f3n est\u00e1 mediada por la testosterona, hormona con posibles efectos inmunosupresores. En esta tesis doctoral se estudi\u00f3 el potencial de la coloraci\u00f3n carotenoide de la perdiz roja (alectoris rufa)  como se\u00f1al fiable de calidad individual, centr\u00e1ndonos principalmente en la interacci\u00f3n entre condici\u00f3n f\u00edsica, testosterona, respuesta inmunitaria y carotenoides. Nuestros resultados revelaron, en primer lugar, que los niveles de testosterona se ven afectados de forma importante por la condici\u00f3n f\u00edsica del animal, lo que sugiere que en muchos casos el estado nutricional del individuo podr\u00eda determinar el grado de expresi\u00f3n de los ornamentos mediados por testosterona. Adem\u00e1s, la condici\u00f3n f\u00edsica afect\u00f3 de manera importante a la coloraci\u00f3n carotenoide de la perdiz roja, con lo que este ornamento podr\u00eda ser indicador del estado nutricional y la capacidad de un individuo para buscar alimento. En un siguiente experimento mostramos c\u00f3mo el hecho de montar una respuesta inmunitaria, aunque fuera a nivel local, provoca un descenso r\u00e1pido en los carotenoides circulantes. Si bien esto no afect\u00f3 a la coloraci\u00f3n carotenoide, la relaci\u00f3n existente entre \u00e9sta \u00faltima y los carotenoides circulantes en plasma, y entre ambas variables y la intensidad de la respuesta desarrollada apoyan el papel de los ornamentos basados en carotenoides como indicadores de inmunocompetencia. Al mis<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Se\u00f1ales fiables en la perdiz roja (alectoris rufa), condicion fisica, testosterona y  carotenoides<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Se\u00f1ales fiables en la perdiz roja (alectoris rufa), condicion fisica, testosterona y  carotenoides <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Lorenzo Perez Rodriguez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Castilla-la mancha<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 15\/06\/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>Javier Vi\u00f1uela  Madera<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Juan  jose Negro balmaseda <\/li>\n<li>francois Mougeot (vocal)<\/li>\n<li>Alberto Velando rodriguez (vocal)<\/li>\n<li>jordi Figuerola borras (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Lorenzo Perez Rodriguez Los ornamentos que muestran muchas especies han evolucionado como consecuencia de la selecci\u00f3n sexual, [&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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