{"id":26464,"date":"2025-05-09T10:49:18","date_gmt":"2025-05-09T08:49:18","guid":{"rendered":"https:\/\/agora.xtec.cat\/inslacetania\/?p=26464"},"modified":"2025-05-09T10:49:18","modified_gmt":"2025-05-09T08:49:18","slug":"un-grup-de-cientifics-crea-cadells-inspirats-en-el-llop-terrible","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/inslacetania\/revista\/un-grup-de-cientifics-crea-cadells-inspirats-en-el-llop-terrible\/","title":{"rendered":"Un grup de cient\u00edfics crea cadells inspirats en el llop terrible"},"content":{"rendered":"<p><span style=\"font-weight: 400;\"><a href=\"https:\/\/agora.xtec.cat\/inslacetania\/wp-content\/uploads\/usu1045\/2025\/05\/baixa-27.jpeg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-26466 alignright\" src=\"https:\/\/agora.xtec.cat\/inslacetania\/wp-content\/uploads\/usu1045\/2025\/05\/baixa-27.jpeg\" alt=\"\" width=\"308\" height=\"164\" srcset=\"https:\/\/agora.xtec.cat\/inslacetania\/wp-content\/uploads\/usu1045\/2025\/05\/baixa-27.jpeg 308w, https:\/\/agora.xtec.cat\/inslacetania\/wp-content\/uploads\/usu1045\/2025\/05\/baixa-27-300x160.jpeg 300w\" sizes=\"auto, (max-width: 308px) 100vw, 308px\" \/><\/a>Un grup de cient\u00edfics de l&#8217;empresa Colossal Biosciences ha aconseguit un aven\u00e7 sorprenent en el camp de la biotecnologia: han creat tres cadells que tenen caracter\u00edstiques f\u00edsiques del fam\u00f3s llop terrible, una esp\u00e8cie que es va extingir fa m\u00e9s de 10.000 anys. Els cadells, que han nascut al maig de 2025, han estat creats mitjan\u00e7ant edici\u00f3 gen\u00e8tica, utilitzant l&#8217;ADN de llops moderns i modificant-lo per aconseguir trets f\u00edsics semblants als del llop terrible, com una major mida corporal i un pelatge m\u00e9s esp\u00e8s.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">El llop terrible (<\/span><i><span style=\"font-weight: 400;\">Canis dirus<\/span><\/i><span style=\"font-weight: 400;\">) era una esp\u00e8cie de llop molt m\u00e9s gran que els actuals, que va conviure amb animals com els mamuts i els tigres dents de sabre durant l&#8217;era glacial. Va desapar\u00e8ixer fa uns 10.000 anys, per\u00f2 ara els cient\u00edfics de Colossal Biosciences han aconseguit que els seus &#8220;descendents&#8221; moderns presentin una aparen\u00e7a for\u00e7a similar, tot i que no es tracta d&#8217;un clon exacte.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Els cadells, batejats com R\u00f2mul, Rem i Khaleesi, han estat creats en un laboratori i viuran en una reserva natural protegida on es vigilaran de prop. Els cient\u00edfics utilitzen t\u00e8cniques d\u2019edici\u00f3 gen\u00e8tica com CRISPR per modificar els gens dels llops moderns i recrear caracter\u00edstiques espec\u00edfiques de l&#8217;esp\u00e8cie extinta. Tot i que aquests animals no s\u00f3n una copia exacta del llop terrible, s\u00f3n el resultat d&#8217;un esfor\u00e7 per recuperar els trets f\u00edsics d&#8217;una esp\u00e8cie desapareguda.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Aquest projecte ha generat un gran debat dins de la comunitat cient\u00edfica. Alguns experts veuen aquest aven\u00e7 com una oportunitat per ajudar a restaurar esp\u00e8cies extingides o en perill d&#8217;extinci\u00f3 mitjan\u00e7ant la biotecnologia. D\u2019altres, per\u00f2, alerten dels riscos que podrien comportar aquests animals modificats gen\u00e8ticament en ecosistemes naturals, on els seus efectes poden ser imprevisibles.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Malgrat les controv\u00e8rsies, aquest experiment obre la porta a nous projectes d\u2019\u201cevoluci\u00f3 inversa\u201d i la creaci\u00f3 de noves esp\u00e8cies mitjan\u00e7ant edici\u00f3 gen\u00e8tica. De moment, els tres cadells seran estudiats per con\u00e8ixer millor el seu comportament i adaptaci\u00f3.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Un grup de cient\u00edfics de l&#8217;empresa Colossal Biosciences ha aconseguit un aven\u00e7 sorprenent en el camp de la biotecnologia: han creat tres cadells que tenen caracter\u00edstiques f\u00edsiques del fam\u00f3s llop terrible, una esp\u00e8cie que es va extingir fa m\u00e9s de 10.000 anys. Els cadells, que han nascut al maig de 2025, han estat creats mitjan\u00e7ant [&hellip;]<\/p>\n","protected":false},"author":1340,"featured_media":26465,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"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-opacity":"","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-opacity":"","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-opacity":"","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-opacity":"","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-opacity":"","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-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[136,102],"tags":[],"class_list":["post-26464","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-noticies","category-revista"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/agora.xtec.cat\/inslacetania\/wp-json\/wp\/v2\/posts\/26464","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agora.xtec.cat\/inslacetania\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/agora.xtec.cat\/inslacetania\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/inslacetania\/wp-json\/wp\/v2\/users\/1340"}],"replies":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/inslacetania\/wp-json\/wp\/v2\/comments?post=26464"}],"version-history":[{"count":4,"href":"https:\/\/agora.xtec.cat\/inslacetania\/wp-json\/wp\/v2\/posts\/26464\/revisions"}],"predecessor-version":[{"id":26505,"href":"https:\/\/agora.xtec.cat\/inslacetania\/wp-json\/wp\/v2\/posts\/26464\/revisions\/26505"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/inslacetania\/wp-json\/wp\/v2\/media\/26465"}],"wp:attachment":[{"href":"https:\/\/agora.xtec.cat\/inslacetania\/wp-json\/wp\/v2\/media?parent=26464"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agora.xtec.cat\/inslacetania\/wp-json\/wp\/v2\/categories?post=26464"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agora.xtec.cat\/inslacetania\/wp-json\/wp\/v2\/tags?post=26464"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}