{"id":85198,"date":"2026-02-05T08:43:38","date_gmt":"2026-02-05T12:43:38","guid":{"rendered":"https:\/\/www.mundoacuicola.cl\/new\/?p=85198"},"modified":"2026-02-06T16:19:23","modified_gmt":"2026-02-06T20:19:23","slug":"incar%c2%b2-proyecto-episex-busca-descifrar-la-determinacion-sexual-del-caligus","status":"publish","type":"post","link":"https:\/\/www.mundoacuicola.cl\/new\/incar%c2%b2-proyecto-episex-busca-descifrar-la-determinacion-sexual-del-caligus\/","title":{"rendered":"INCAR\u00b2: Proyecto EPISex busca descifrar la determinaci\u00f3n sexual del Caligus"},"content":{"rendered":"<p>El acad\u00e9mico del Departamento de Oceanograf\u00eda de la Universidad de Concepci\u00f3n y director del Centro de Investigaci\u00f3n Aplicada financiado por ANID, INCAR\u00b2, Dr. Cristian Gallardo Esc\u00e1rate, se adjudic\u00f3 un FONDECYT Regular para investigar c\u00f3mo los piojos de mar determinan su sexo, un hallazgo clave para el cultivo de salmones.<\/p>\n<p><span style=\"font-weight: 400;\">\u201cEste proyecto nos permitir\u00e1 comprender procesos fundamentales de la biolog\u00eda de los invertebrados y, al mismo tiempo, aportar soluciones innovadoras para una industria estrat\u00e9gica como la salmonicultura\u201d, destac\u00f3 el Dr. Gallardo Esc\u00e1rate.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">El proyecto en el que tambi\u00e9n colaboran el Dr. Steven Roberts de la University of Washington, Estados Unidos, y el Dr. Guillaume Rivi\u00e8re de la Universit\u00e9 de Caen-Normandie, Francia, busca descifrar los mecanismos moleculares que determinan si el <\/span><i><span style=\"font-weight: 400;\">Caligus rogercresseyi<\/span><\/i><span style=\"font-weight: 400;\"> ser\u00e1 macho o hembra, lo que permitir\u00e1 dise\u00f1ar nuevas estrategias de control para una de las principales amenazas para la industria. Adicionalmente, los investigadores, Dra. Valentina Valenzuela y Dr. Diego Valenzuela, participar\u00e1n desde INCAR\u00b2 en el desarrollo de las herramientas moleculares y bioinform\u00e1ticas necesarias para este desafiante proyecto de investigaci\u00f3n.<\/span><\/p>\n<h2><b>El proyecto EPISex<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">La iniciativa, denominada \u201cEpitranscript\u00f3mica de la Determinaci\u00f3n Sexual en el Piojo de Mar (EPISex)\u201d, se centra en estudiar c\u00f3mo ciertas modificaciones qu\u00edmicas en el ARN \u2014las mol\u00e9culas que llevan la informaci\u00f3n gen\u00e9tica\u2014 influyen en la diferenciaci\u00f3n sexual de estos organismos.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Los primeros resultados del equipo muestran que los machos presentan niveles m\u00e1s altos de metilaci\u00f3n en su ARN que las hembras, lo que afecta directamente a genes clave en la determinaci\u00f3n del sexo. Estos hallazgos sugieren que las \u201cmarcas epigen\u00e9ticas\u201d podr\u00edan actuar como interruptores que silencian o activan genes espec\u00edficos, definiendo as\u00ed el desarrollo masculino o femenino.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">M\u00e1s all\u00e1 de su relevancia cient\u00edfica, esta investigaci\u00f3n abre la puerta a nuevas herramientas de control biotecnol\u00f3gico, como la manipulaci\u00f3n de la proporci\u00f3n de sexos o el silenciamiento de genes, que podr\u00edan reducir la reproducci\u00f3n de estos par\u00e1sitos y beneficiar directamente a la acuicultura.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u201cA trav\u00e9s de INCAR\u00b2, exploraremos experimentalmente la edici\u00f3n g\u00e9nica. Como centro de investigaci\u00f3n aplicada, nos interesa mantenernos a la vanguardia y participar de la discusi\u00f3n que implica aplicar este tipo de tecnolog\u00edas en la acuicultura\u201d, a\u00f1adi\u00f3 el Dr. Gallardo-Esc\u00e1rate.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">El proyecto (EPISex) contempla cuatro grandes metas: confirmar el sistema de cromosomas sexuales en el piojo de mar, mapear las modificaciones de ARN a lo largo de su desarrollo, evaluar qu\u00e9 ocurre al bloquear qu\u00edmicamente estas modificaciones y analizar c\u00f3mo los ARN no codificantes colaboran en la regulaci\u00f3n de los genes sexuales, que se desarrollar\u00e1n durante los pr\u00f3ximos 3 a\u00f1os.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>El proyecto EPISex, liderado por el Dr. Cristian Gallardo Esc\u00e1rate de la UdeC junto a investigadores de EE.UU. y Francia busca desarrollar nuevas estrategias biotecnol\u00f3gicas que fortalezcan el control del ectopar\u00e1sito y aporten soluciones innovadoras a la salmonicultura.<\/p>\n","protected":false},"author":8,"featured_media":85199,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[60],"tags":[143,2710,475,24167,28815,9591,28051,9709,476,197],"class_list":["post-85198","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-salmonicultura","tag-acuicultura","tag-biotecnologia","tag-caligus","tag-control-sanitario","tag-determinacion-sexual","tag-epigenetica","tag-incar","tag-investigacion-cientifica","tag-piojo-de-mar","tag-salmonicultura"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - 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