{"id":73777,"date":"2025-03-14T04:33:15","date_gmt":"2025-03-14T08:33:15","guid":{"rendered":"https:\/\/www.mundoacuicola.cl\/new\/?p=73777"},"modified":"2025-03-18T08:42:13","modified_gmt":"2025-03-18T12:42:13","slug":"investigadores-profundizaron-conocimiento-molecular-sobre-la-ostra-chilena","status":"publish","type":"post","link":"https:\/\/www.mundoacuicola.cl\/new\/investigadores-profundizaron-conocimiento-molecular-sobre-la-ostra-chilena\/","title":{"rendered":"Investigadores profundizaron conocimiento molecular sobre la Ostra chilena"},"content":{"rendered":"<p><span style=\"font-weight: 400;\"><span data-olk-copy-source=\"MessageBody\"><strong><span class=\"s5\"><span class=\"bumpedFont15\"><img fetchpriority=\"high\" decoding=\"async\" class=\"alignright\" src=\"https:\/\/www.mundoacuicola.cl\/medios\/?camp=26\" width=\"314\" height=\"314\" \/><\/span><\/span><\/strong><\/span>La ostra chilena (Ostrea chilensis), una especie nativa de Chile y Nueva Zelanda, es un recurso valioso en la acuicultura, pero enfrenta una disminuci\u00f3n de su poblaci\u00f3n debido a la sobreexplotaci\u00f3n.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Un estudio de investigadores de la Universidad Andr\u00e9s Bello, de la Universidad Austral de Chile y del Centro Interdisciplinario para la Investigaci\u00f3n Acu\u00edcola (INCAR), analiz\u00f3 la base molecular de dos fenotipos distintos, caracterizados por una pigmentaci\u00f3n oscura o blanca en el borde del manto, centr\u00e1ndose en los rasgos que podr\u00edan influir en las estrategias de cultivo y la gesti\u00f3n de las poblaciones en la acuicultura de la ostra.<\/span><\/p>\n<h3><strong>Secuenciaci\u00f3n de ARN<\/strong><\/h3>\n<p><span style=\"font-weight: 400;\"><img decoding=\"async\" class=\"size-large wp-image-73781 alignleft\" src=\"https:\/\/www.mundoacuicola.cl\/new\/wp-content\/uploads\/2025\/03\/Ostrea-Chilensis-2-400x400.jpeg\" alt=\"\" width=\"400\" height=\"400\" srcset=\"https:\/\/www.mundoacuicola.cl\/new\/wp-content\/uploads\/2025\/03\/Ostrea-Chilensis-2-400x400.jpeg 400w, https:\/\/www.mundoacuicola.cl\/new\/wp-content\/uploads\/2025\/03\/Ostrea-Chilensis-2-300x300.jpeg 300w, https:\/\/www.mundoacuicola.cl\/new\/wp-content\/uploads\/2025\/03\/Ostrea-Chilensis-2-100x100.jpeg 100w, https:\/\/www.mundoacuicola.cl\/new\/wp-content\/uploads\/2025\/03\/Ostrea-Chilensis-2-500x500.jpeg 500w, https:\/\/www.mundoacuicola.cl\/new\/wp-content\/uploads\/2025\/03\/Ostrea-Chilensis-2-225x225.jpeg 225w, https:\/\/www.mundoacuicola.cl\/new\/wp-content\/uploads\/2025\/03\/Ostrea-Chilensis-2-768x768.jpeg 768w, https:\/\/www.mundoacuicola.cl\/new\/wp-content\/uploads\/2025\/03\/Ostrea-Chilensis-2.jpeg 1280w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/>El estudio \u201cUnderstanding Mantle Edge Pigmentation Through Comprehensive Transcriptomic Profiling of the Chilean Oyster (Ostrea chilensis)\u201d de Camila Godoy-Diaz, Katalina Llanos-Az\u00f3car, Gonzalo J. Ruiz-Tagle, Jorge E. Toro, Pablo A. Oyarz\u00fan, y Juan A. Vald\u00e9s, es la primera evidencia de secuenciaci\u00f3n de ARN, ensamblaje de novo y anotaci\u00f3n funcional del transcriptoma de O. chilensis, as\u00ed como la expresi\u00f3n diferencial en el manto.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u201cA trav\u00e9s de la secuenciaci\u00f3n de ARN de los tejidos del manto, generamos un transcriptoma integral, identificando m\u00e1s de 50.000 transcripciones. El an\u00e1lisis de expresi\u00f3n gen\u00e9tica diferencial revel\u00f3 746 genes con actividad variada entre los dos fenotipos. Las v\u00edas asociadas con la pigmentaci\u00f3n, el metabolismo y la se\u00f1alizaci\u00f3n celular, como las v\u00edas metab\u00f3licas de la tirosina y el tript\u00f3fano, la funci\u00f3n de los ribosomas y la se\u00f1alizaci\u00f3n del calcio, se vieron significativamente afectadas\u201d, explicaron los autores.<\/span><\/p>\n<h3>Proyecciones<\/h3>\n<p><span style=\"font-weight: 400;\">\u00a0Los hallazgos mejoran la comprensi\u00f3n de los procesos gen\u00e9ticos y moleculares que subyacen a la variaci\u00f3n fenot\u00edpica en O. chilensis, proporcionando datos cr\u00edticos para mejorar los programas de cultivo selectivo.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u201cEstos resultados sentar\u00e1n las bases para desarrollar una tecnolog\u00eda molecular para identificar con precisi\u00f3n el fenotipo borde negro en la ostra chilena (Ostrea chilensis) en estadios temprano de desarrollo\u201d, explic\u00f3 el Investigador Asociado de INCAR y Acad\u00e9mico de la UNAB, Dr. Juan Antonio Vald\u00e9s\u201d.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Revisa a continuaci\u00f3n el estudio \u201cUnderstanding Mantle Edge Pigmentation Through Comprehensive Transcriptomic Profiling of the Chilean Oyster (Ostrea chilensis)\u201d de Camila Godoy-Diaz, Katalina Llanos-Az\u00f3car , Gonzalo J. Ruiz-Tagle, Jorge E. Toro, Pablo A. Oyarz\u00fan, y Juan A. Vald\u00e9s.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Link al estudio completo aqu\u00ed: <a href=\"https:\/\/doi.org\/10.3390\/biology14020145\">https:\/\/doi.org\/10.3390\/biology14020145<\/a><\/span><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>El estudio analiz\u00f3 rasgos que podr\u00edan influir en las estrategias de cultivo y la gesti\u00f3n de poblaciones en la acuicultura de la ostra.<\/p>\n","protected":false},"author":8,"featured_media":73778,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[66],"tags":[143,20814,473,5768,578,764,1072],"class_list":["post-73777","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-acuicultura","tag-acuicultura","tag-centro-interdisciplinario-para-la-investigacion-acuicola","tag-incar","tag-ostra-chilena","tag-uach","tag-universidad-andres-bello","tag-universidad-austral-de-chile"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - 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