{"id":90934,"date":"2026-07-24T17:45:49","date_gmt":"2026-07-24T21:45:49","guid":{"rendered":"https:\/\/www.mundoacuicola.cl\/new\/?p=90934"},"modified":"2026-07-24T17:45:49","modified_gmt":"2026-07-24T21:45:49","slug":"dialogos-acuicolas-una-mirada-a-la-investigacion-de-vanguardia-sobre-la-piscirickettsiosis-en-la-salmonicultura","status":"publish","type":"post","link":"https:\/\/www.mundoacuicola.cl\/new\/dialogos-acuicolas-una-mirada-a-la-investigacion-de-vanguardia-sobre-la-piscirickettsiosis-en-la-salmonicultura\/","title":{"rendered":"\u00abDi\u00e1logos Acu\u00edcolas\u00bb: una mirada a la investigaci\u00f3n de vanguardia sobre la Piscirickettsiosis en la salmonicultura"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Con el estreno de su octavo episodio, la serie podcast \u00abDi\u00e1logos Acu\u00edcolas\u00bb del Centro Interdisciplinario para la Investigaci\u00f3n Acu\u00edcola \u2013 Investigaci\u00f3n Aplicada, CIA- INCAR\u00b2, consolida un recorrido profundo por la investigaci\u00f3n de vanguardia sobre la Piscirickettsiosis (SRS), abordando desde los or\u00edgenes del pat\u00f3geno hasta los mecanismos moleculares de su persistencia en el mar.<\/span><\/p>\n<p><b>Un recorrido por la ciencia del SRS: Siete hitos fundamentales<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Hasta la fecha, \u00abDi\u00e1logos Acu\u00edcolas\u00bb ha explorado dimensiones cr\u00edticas de\u00a0<\/span><i><span style=\"font-weight: 400;\">Piscirickettsia salmonis<\/span><\/i><span style=\"font-weight: 400;\">, permitiendo a la audiencia t\u00e9cnica comprender la complejidad de un \u00abblanco m\u00f3vil\u00bb que le cuesta a la industria chilena cientos de millones de d\u00f3lares anualmente:<\/span><\/p>\n<p><a href=\"https:\/\/open.spotify.com\/episode\/14Yo3X3sLvOdH2V6EAw1wd?si=75b8e1a689ba4af6\"><span style=\"font-weight: 400;\">La Verdadera Identidad<\/span><\/a><span style=\"font-weight: 400;\">:<\/span><span style=\"font-weight: 400;\">\u00a0El inicio de la serie aclar\u00f3 el error hist\u00f3rico de diagn\u00f3stico de 1989, confirmando que el agente no es una rickettsia verdadera, sino una Gamma-proteobacteria facultativa.<\/span><\/p>\n<p><a href=\"https:\/\/open.spotify.com\/episode\/5OQHLEBkmac6H6jnwLAje5?si=48debbedc5c941b2\"><span style=\"font-weight: 400;\">Precisi\u00f3n Diagn\u00f3stica<\/span><\/a><span style=\"font-weight: 400;\">:<\/span><span style=\"font-weight: 400;\">\u00a0Analizamos el hito que signific\u00f3 el medio AUSTRAL-SRS, permitiendo por primera vez obtener biomasa pura y estandarizar protocolos de Concentraci\u00f3n Inhibitoria M\u00ednima (MIC).<\/span><\/p>\n<p><a href=\"https:\/\/open.spotify.com\/episode\/7E7z79hHc8NGDm03QaDwWM?si=0fa0326b04a44787\"><span style=\"font-weight: 400;\">Evoluci\u00f3n H\u00edbrida<\/span><\/a><span style=\"font-weight: 400;\">:<\/span><span style=\"font-weight: 400;\">\u00a0A trav\u00e9s de la t\u00e9cnica MLST, descubrimos la aparici\u00f3n de nuevos genogrupos h\u00edbridos que desaf\u00edan las clasificaciones tradicionales entre los linajes ancestrales LF-89 y EM-90.<\/span><\/p>\n<p><a href=\"https:\/\/open.spotify.com\/episode\/7DMbcDdxuuhVAtFC1vE1wM?si=ff9b743bb7a54a7f\"><span style=\"font-weight: 400;\">La Ciencia de la Atenuaci\u00f3n<\/span><\/a><span style=\"font-weight: 400;\">:<\/span><span style=\"font-weight: 400;\">\u00a0Exploramos el experimento de los 200 pasajes en laboratorio, donde la bacteria \u00abse desarma\u00bb gen\u00e9ticamente al traslocar sistemas cr\u00edticos como el Dot\/Icm, sentando las bases para vacunas vivas atenuadas.<\/span><\/p>\n<p><a href=\"https:\/\/open.spotify.com\/episode\/6FojvrI5jnbN2nlkOmpPQP?si=90a4888cf84c4444\"><span style=\"font-weight: 400;\">Arquitectura del Pan-genoma<\/span><\/a><span style=\"font-weight: 400;\">:<\/span><span style=\"font-weight: 400;\">\u00a0Desglosamos la plasticidad de la bacteria, revelando un pan-genoma \u00ababierto\u00bb donde el 50% de sus genes son accesorios, otorg\u00e1ndole una adaptabilidad asombrosa.<\/span><\/p>\n<p><a href=\"https:\/\/open.spotify.com\/episode\/63G9gWLOa5idP6gDRVVwUz?si=7b882b14982c4136\"><span style=\"font-weight: 400;\">El ADN en Movimiento<\/span><\/a><span style=\"font-weight: 400;\">:<\/span><span style=\"font-weight: 400;\">\u00a0Profundizamos en el rol de las transposasas (genes saltarines), responsables de una especiaci\u00f3n activa y continua en los centros de cultivo.<\/span><\/p>\n<p><a href=\"https:\/\/open.spotify.com\/episode\/4Uhk4zbCnW7uKArXHWvfd7?si=072e36140b5e448a\"><span style=\"font-weight: 400;\">Reservorios Ambientales<\/span><\/a><span style=\"font-weight: 400;\">:<\/span><span style=\"font-weight: 400;\">\u00a0Analizamos c\u00f3mo la bacteria sobrevive en superficies pl\u00e1sticas del centro de cultivo mediante biofilms, resistiendo incluso la barrera natural del mucus cut\u00e1neo del salm\u00f3n.<\/span><\/p>\n<h2><b>Estreno Episodio 8: Virulencia Diferencial y el Desaf\u00edo al Sistema Inmune<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">En esta nueva entrega, nos adentramos en uno de los hallazgos m\u00e1s disruptivos de la investigaci\u00f3n reciente: el estado f\u00edsico de la bacteria determina su agresividad. Basado en el estudio de Santib\u00e1\u00f1ez et al. (2020), este episodio revela que no existe un patr\u00f3n \u00fanico de virulencia.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">La audiencia descubrir\u00e1 por qu\u00e9 la cepa tipo LF-89 se vuelve significativamente m\u00e1s virulenta (~60% de lisis celular) cuando forma biofilms en comparaci\u00f3n con su estado libre. Asimismo, analizamos c\u00f3mo estas estructuras multicelulares logran manipular la respuesta inmunol\u00f3gica del hospedero, alterando la expresi\u00f3n de genes pro-inflamatorios clave.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Este cap\u00edtulo es esencial para acad\u00e9micos y profesionales que buscan entender por qu\u00e9 las estrategias de control tradicionales a veces fallan y c\u00f3mo el biofilm debe ser considerado un factor de virulencia cr\u00edtico en la patogenia de la SRS.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Desde el INCAR\u00b2 resaltan que esta primera entrega de ocho episodios de \u00abDi\u00e1logos Acu\u00edcolas\u00bb aborda desaf\u00edos cr\u00edticos para el sector, como es el S\u00edndrome Rickettsial del Salm\u00f3n (SRS), una de las mayores amenazas sanitarias de la salmonicultura nacional.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Esta acci\u00f3n de comunicaci\u00f3n p\u00fablica de la ciencia se enmarca en la antesala de la Conferencia Internacional SRS 2026, cumbre cient\u00edfica organizada por el centro que se realizar\u00e1 del 9 al 11 de noviembre en Puerto Varas. El congreso constituir\u00e1 el primer espacio internacional enfocado de manera exclusiva en la piscirickettsiosis, convocando a expertos globales, profesionales e integrantes de la industria para intercambiar conocimientos, consolidar alianzas estrat\u00e9gicas y proponer soluciones innovadoras.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00bfD\u00f3nde escuchar? La serie completa de \u201cDi\u00e1logos Acu\u00edcolas\u201d ya est\u00e1 disponible en\u00a0<\/span><a href=\"https:\/\/open.spotify.com\/show\/5AacSUZfvzxDXYp6lZsGRU?si=d3d90b82b4ac4293\"><span style=\"font-weight: 400;\">Spotify\u00a0<\/span><\/a><\/p>\n<p><span style=\"font-weight: 400;\">Suscr\u00edbete y participa en este intercambio de conocimiento que busca mejorar la sostenibilidad y sanidad de la acuicultura chilena.<\/span><\/p>\n<p><a href=\"https:\/\/open.spotify.com\/episode\/2KHrTx7XzJuWBYvgrh2qZl?si=38e53420dc8a4074\"><span style=\"font-weight: 400;\">Escucha aqu\u00ed el Episodio 8, \u00abBiofilms: Virulencia Diferencial y el Desaf\u00edo al Sistema Inmune\u00bb.<\/span><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00abDi\u00e1logos Acu\u00edcolas\u00bb abordar\u00e1 los avances de la investigaci\u00f3n de vanguardia sobre la Piscirickettsiosis y los desaf\u00edos sanitarios de la salmonicultura.<\/p>\n","protected":false},"author":8,"featured_media":90935,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[126],"tags":[6936,4360,5556,29616,6248,2100,471,197,1109,22434,472],"class_list":["post-90934","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-noticias","tag-acuicultura-chilena","tag-bienestar-animal","tag-ciencia","tag-dialogos-acuicolas","tag-enfermedades-de-peces","tag-innovacion","tag-piscirickettsiosis","tag-salmonicultura","tag-salud-de-peces","tag-sanidad-acuicola","tag-srs"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - 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