{"id":88399,"date":"2026-05-05T12:09:50","date_gmt":"2026-05-05T16:09:50","guid":{"rendered":"https:\/\/www.mundoacuicola.cl\/new\/?p=88399"},"modified":"2026-05-05T18:09:31","modified_gmt":"2026-05-05T22:09:31","slug":"estudio-revelo-como-gaviotas-influyen-en-la-genetica-de-parasitos-marinos","status":"publish","type":"post","link":"https:\/\/www.mundoacuicola.cl\/new\/estudio-revelo-como-gaviotas-influyen-en-la-genetica-de-parasitos-marinos\/","title":{"rendered":"Estudio revel\u00f3 c\u00f3mo gaviotas influyen en la gen\u00e9tica de par\u00e1sitos marinos"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Comprender c\u00f3mo interact\u00faan las especies en los ecosistemas marinos es esencial para explicar procesos evolutivos y ecol\u00f3gicos. En esa l\u00ednea, la egresada del Mag\u00edster en Ecolog\u00eda Marina de la Universidad Cat\u00f3lica de la Sant\u00edsima Concepci\u00f3n (UCSC), Mauren Vergara, lider\u00f3 un estudio que abord\u00f3 la conectividad gen\u00e9tica de un par\u00e1sito marino presente en aves costeras de Chile.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\"><a href=\"https:\/\/docs.google.com\/forms\/d\/e\/1FAIpQLSeqrW5P75eV4PeWeT7QzUa2sW9_WW9oWzem7i99QzlWrfXQRA\/viewform?pli=1\"><img fetchpriority=\"high\" decoding=\"async\" class=\"alignleft wp-image-88403 \" src=\"https:\/\/www.mundoacuicola.cl\/new\/wp-content\/uploads\/2026\/05\/Banner-Premiacion-750x375.jpg\" alt=\"\" width=\"541\" height=\"271\" srcset=\"https:\/\/www.mundoacuicola.cl\/new\/wp-content\/uploads\/2026\/05\/Banner-Premiacion-750x375.jpg 750w, https:\/\/www.mundoacuicola.cl\/new\/wp-content\/uploads\/2026\/05\/Banner-Premiacion-420x210.jpg 420w, https:\/\/www.mundoacuicola.cl\/new\/wp-content\/uploads\/2026\/05\/Banner-Premiacion-768x384.jpg 768w, https:\/\/www.mundoacuicola.cl\/new\/wp-content\/uploads\/2026\/05\/Banner-Premiacion-1024x512.jpg 1024w, https:\/\/www.mundoacuicola.cl\/new\/wp-content\/uploads\/2026\/05\/Banner-Premiacion.jpg 1200w\" sizes=\"(max-width: 541px) 100vw, 541px\" \/><\/a>La investigaci\u00f3n titulada \u201cConectividad gen\u00e9tica de <\/span><i><span style=\"font-weight: 400;\">Profilicollis altmani<\/span><\/i><span style=\"font-weight: 400;\"> en aves marinas: efectos de la ecolog\u00eda tr\u00f3fica del hospedero en las costas chilenas\u201d, cont\u00f3 adem\u00e1s con la participaci\u00f3n de las Dras. Sara M. Rodr\u00edguez y Maribet Gamboa, acad\u00e9micas de la Facultad de Ciencias UCSC.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">El estudio se centr\u00f3 en el par\u00e1sito <\/span><i><span style=\"font-weight: 400;\">Profilicollis altmani<\/span><\/i><span style=\"font-weight: 400;\">, el cual utiliza distintas especies de gaviotas como la gaviota dominicana, c\u00e1huil y garuma, las que son hospederos definitivos. A partir del an\u00e1lisis de genes mitocondriales y nucleares, el equipo evalu\u00f3 la diversidad gen\u00e9tica y la estructura poblacional del par\u00e1sito a lo largo del territorio costero.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u201cQuisimos saber si las distintas especies de gaviotas y los rasgos de historia de vida de cada una influenciaban en que los par\u00e1sitos fueran muy distintos gen\u00e9ticamente entre ellos\u201d, explic\u00f3 Mauren Vergara, destacando el enfoque ecol\u00f3gico-evolutivo del trabajo.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Los resultados evidenciaron que las poblaciones del par\u00e1sito presentan una alta conectividad gen\u00e9tica, es decir, no existen diferencias marcadas entre individuos de distintas zonas geogr\u00e1ficas. Sin embargo, el estudio tambi\u00e9n identific\u00f3 un factor determinante en este patr\u00f3n.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u201cObservamos que la conducta migratoria de las especies de gaviotas es un factor clave para que haya un flujo gen\u00e9tico en el par\u00e1sito\u201d, se\u00f1al\u00f3 la investigadora, subrayando la relevancia del desplazamiento de estas aves en la dispersi\u00f3n del organismo.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Este hallazgo aporta nuevas luces sobre c\u00f3mo las caracter\u00edsticas ecol\u00f3gicas de los hospederos influyen directamente en la din\u00e1mica de los par\u00e1sitos marinos. En particular, la capacidad de las gaviotas para recorrer grandes distancias facilitar\u00eda la mezcla gen\u00e9tica de <\/span><i><span style=\"font-weight: 400;\">Profilicollis altmani<\/span><\/i><span style=\"font-weight: 400;\"> a lo largo de la costa chilena.<\/span><\/p>\n<p><span style=\"font-weight: 400;\"><a href=\"https:\/\/medioscomunicaciones.cl\/e\/\"><img decoding=\"async\" class=\"size-full wp-image-88039 alignright\" src=\"https:\/\/www.mundoacuicola.cl\/new\/wp-content\/uploads\/2026\/04\/LecturaNoticias.gif\" alt=\"\" width=\"340\" height=\"340\" \/><\/a>\u201c<\/span><span style=\"font-weight: 400;\">La importancia de este trabajo es que muestra c\u00f3mo los rasgos ecol\u00f3gicos de las gaviotas, como por ejemplo, la capacidad de desplazarse grandes distancias, pueden determinar la estructura gen\u00e9tica de los par\u00e1sitos que dependen de ellas. Esto nos ayuda a comprender mejor la din\u00e1mica evolutiva de par\u00e1sitos marinos generalistas y c\u00f3mo las interacciones ecol\u00f3gicas influyen en su conectividad\u201d, afirm\u00f3 la investigadora.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">De esta forma, el estudio no solo ampl\u00eda el conocimiento sobre par\u00e1sitos marinos generalistas, sino que tambi\u00e9n refuerza la importancia de las interacciones ecol\u00f3gicas en los procesos evolutivos, contribuyendo a una comprensi\u00f3n m\u00e1s integral de los ecosistemas costeros del pa\u00eds.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">DOI: <\/span><a href=\"https:\/\/doi.org\/10.1111\/aec.70208\"><span style=\"font-weight: 400;\">https:\/\/doi.org\/10.1111\/aec.70208<\/span><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>La investigaci\u00f3n, desarrollada por la Mag\u00edster Mauren Vergara junto a acad\u00e9micas de la Facultad de Ciencias UCSC, analiz\u00f3 la conectividad gen\u00e9tica de Profilicollis altmani a lo largo de la costa chilena, evidenciando el rol clave de la ecolog\u00eda de sus hospederos.<\/p>\n","protected":false},"author":8,"featured_media":88457,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[110],"tags":[1681,901,6432,7602,8750,29369,1134,1859,3371,495],"class_list":["post-88399","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-medioambiente","tag-biodiversidad","tag-conectividad","tag-ecologia-marina","tag-ecosistemas","tag-evolucion","tag-gaviotas","tag-genetica","tag-investigacion","tag-parasitos","tag-ucsc"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - 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