{"id":21895,"date":"2003-03-03T00:00:00","date_gmt":"2003-03-03T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/biomarcadores-moleculares-de-contaminacion-en-moluscos-bivalvos-del-litoral-andaluz\/"},"modified":"2003-03-03T00:00:00","modified_gmt":"2003-03-03T00:00:00","slug":"biomarcadores-moleculares-de-contaminacion-en-moluscos-bivalvos-del-litoral-andaluz","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/zoologia\/biomarcadores-moleculares-de-contaminacion-en-moluscos-bivalvos-del-litoral-andaluz\/","title":{"rendered":"Biomarcadores moleculares de contaminaci\u00f3n en moluscos bivalvos del litoral andaluz"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Manuel Jos\u00e9 Rodr\u00edguez Ortega <\/strong><\/h2>\n<p>Muchos contaminantes son xenobi\u00f3ticos, compuestos extra\u00f1os a los seres vivos. La contaminaci\u00f3n en ecosistemas marinos pueden ser evaluada mediante el empleo de par\u00e1metros bioqu\u00edmicos, llamados biomarcadores, que responden en especies centinela, conocidas como bioindicadores.  en el presente trabajo, se llev\u00f3 a cabo la biomonitorizaci\u00f3n de la contaminaci\u00f3n del litoral andaluz, aplicando una bater\u00eda de biomarcadores establecidos en el molusco bivalvo chamaelea gallina (chirla). Se estudiaron las respuestas de estos biomarcadores, as\u00ed como el desarrollo de otros nuevos, en chirlas expuestas de forma cr\u00f3nica a aroclor 1254, y de forma aguda a cuatro contaminantes modelo: aroclor 1254, cu(ii), tbt y as(iii).  las chirlas de zonas del litoral andaluz m\u00e1s contaminadas estaban mejor protegidas contra el estr\u00e9s oxidativo que las que viven en \u00e1reas m\u00e1s limpias, lo cual se reflej\u00f3 en unos mayores niveles de enzimas antioxidativas y de gsh, en un estado redox del glutation m\u00e1s reducido y en menores niveles de mda. Dichos biomarcadores exhibieron fuertes variaciones estacionales. la estacionalidad influye en las respuestas biol\u00f3gicas de los seres vivos a las situaciones de estr\u00e1s ambiental.  las chirlas expuestas cr\u00f3nicamente a aroclor 1254 mostraron una acumulaci\u00f3n preferencial de los cong\u00e9neres m\u00e1s lipof\u00edlicos. Los efectos observados sobre los biomarcadores se debieron al estr\u00e9s derivado del manejo de los organismos.  la exposici\u00f3n aguda a cu(ii) y as(iii) caus\u00f3 una disminuci\u00f3n de la capacidad bioactivadora de la chirla. El sistema enzim\u00e1tico responsable de esta capacidad es mayoritariamente citos\u00f3lico, y dependiente de nadh. La actividad microsomal bph aument\u00f3 por la exposici\u00f3n a aroclor y ci(ii).  se aplic\u00f3 la aproximaci\u00f3n prote\u00f3mica, estudiando los cambios en los perfiles de expresi\u00f3n proteica de chirlas expuestas en condiciones agudas a los cuatro contaminantes modelo. El aroclor, el cu(ii) y el as(iii) tu<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Biomarcadores moleculares de contaminaci\u00f3n en moluscos bivalvos del litoral andaluz<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Biomarcadores moleculares de contaminaci\u00f3n en moluscos bivalvos del litoral andaluz <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Manuel Jos\u00e9 Rodr\u00edguez Ortega <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 C\u00f3rdoba<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 03\/03\/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>Juan Lopez Barea<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Jes\u00fas vicente Jorrin novo <\/li>\n<li>montserrat Sol\u00e9 rovira (vocal)<\/li>\n<li>anders Goksoyr (vocal)<\/li>\n<li>Jos\u00e9 Luis G\u00f3mez ariza (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Manuel Jos\u00e9 Rodr\u00edguez Ortega Muchos contaminantes son xenobi\u00f3ticos, compuestos extra\u00f1os a los seres vivos. La contaminaci\u00f3n en [&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":[973,65784,226],"tags":[65787,21003,3262,2151,65785,65786],"class_list":["post-21895","post","type-post","status-publish","format-standard","hentry","category-cordoba","category-taxonomia-de-invertebrados-no-insectos","category-zoologia","tag-anders-goksoyr","tag-jesus-vicente-jorrin-novo","tag-jose-luis-gomez-ariza","tag-juan-lopez-barea","tag-manuel-jose-rodriguez-ortega","tag-montserrat-sole-rovira"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/21895","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=21895"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/21895\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=21895"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=21895"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=21895"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}