{"id":14792,"date":"2017-03-05T00:00:15","date_gmt":"2017-03-04T23:00:15","guid":{"rendered":"http:\/\/www.laterredufutur.com\/accueil\/?p=14792"},"modified":"2017-02-19T17:56:15","modified_gmt":"2017-02-19T16:56:15","slug":"dici-2-ans-un-mammouth-laineux-reviendra-a-la-vie","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/dici-2-ans-un-mammouth-laineux-reviendra-a-la-vie\/","title":{"rendered":"D&rsquo;ici 2 ans, un mammouth laineux reviendra \u00e0 la vie"},"content":{"rendered":"<div class=\"1665f18d14f35dd9e7566e1a8ac9a3e9\" data-index=\"1\" style=\"float: none; margin:10px 0 10px 0; text-align:center;\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block; text-align:center;\"\r\n     data-ad-layout=\"in-article\"\r\n     data-ad-format=\"fluid\"\r\n     data-ad-client=\"ca-pub-2860849627502538\"\r\n     data-ad-slot=\"3019501113\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n<\/div>\n<p>Ressusciter des esp\u00e8ces disparues depuis des milliers d&rsquo;ann\u00e9es en utilisant leur ADN pour f\u00e9conder des embryons en laboratoire\u2026 Non, ce n&rsquo;est pas du synopsis d&rsquo;une c\u00e9l\u00e8bre saga adapt\u00e9e par Steven Sielberg au cin\u00e9ma dont il est question ici, mais bien d&rsquo;une exp\u00e9rience qui est en train d&rsquo;avoir lieu, en ce moment m\u00eame, \u00e0 l&rsquo;universit\u00e9 de Harvard.<\/p>\n<p>Oui : un groupe de chercheurs a en effet annonc\u00e9 qu&rsquo;ils \u00e9taient en train de tenter de recr\u00e9er un individu vivant de mammouth laineux \u2014 et qu&rsquo;ils sont en bonne voie pour y parvenir prochainement !<\/p>\n<p>Un \u00e9l\u00e9phant crois\u00e9 mammouth ?<\/p>\n<p>Les membres de l&rsquo;\u00e9quipe ont profit\u00e9 du rassemblement annuel de l&rsquo;Association Am\u00e9ricaine pour l&rsquo;Avanc\u00e9e des Sciences (AAAS) qui se tenait \u00e0 Boston cette semaine pour faire part \u00e0 leurs pairs de l&rsquo;avancement de leurs recherches. Ils ont ainsi expliqu\u00e9 qu&rsquo;ils allaient utiliser un outil permettant d&rsquo;\u00e9diter des g\u00e8nes, nomm\u00e9 CRISPR, pour produire des embryons d&rsquo;\u00e9l\u00e9phants-mammouths ! Pour cela, ils esp\u00e8rent se servir des informations g\u00e9n\u00e9tiques que l&rsquo;on a pu retrouver dans des sp\u00e9cimens congel\u00e9s exceptionnellement bien conserv\u00e9s, retrouv\u00e9s notamment dans les glaces de la toundra Russe.<\/p>\n<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"14793\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/dici-2-ans-un-mammouth-laineux-reviendra-a-la-vie\/mammouth-laineux\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/02\/mammouth-laineux.jpg?fit=612%2C424&amp;ssl=1\" data-orig-size=\"612,424\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"mammouth-laineux\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/02\/mammouth-laineux.jpg?fit=612%2C424&amp;ssl=1\" class=\"alignnone size-full wp-image-14793\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/02\/mammouth-laineux.jpg?resize=612%2C424\" alt=\"\" width=\"612\" height=\"424\" srcset=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/02\/mammouth-laineux.jpg?w=612&amp;ssl=1 612w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/02\/mammouth-laineux.jpg?resize=300%2C208&amp;ssl=1 300w\" sizes=\"auto, (max-width: 612px) 100vw, 612px\" \/><\/p><div class=\"1665f18d14f35dd9e7566e1a8ac9a3e9\" data-index=\"2\" style=\"float: none; margin:10px 0 10px 0; text-align:center;\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block; text-align:center;\"\r\n     data-ad-layout=\"in-article\"\r\n     data-ad-format=\"fluid\"\r\n     data-ad-client=\"ca-pub-2860849627502538\"\r\n     data-ad-slot=\"3019501113\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n<\/div>\n\n<p>En effet, impossible de recr\u00e9er de A \u00e0 Z un individu d&rsquo;une esp\u00e8ce animale \u00e9teinte : l&rsquo;id\u00e9e est de prendre l&#8217;embryon d&rsquo;un animal existant qui soit g\u00e9n\u00e9tiquement tr\u00e8s proche, et de le modifier pour le faire porter des g\u00e8nes de mammouth. C&rsquo;est pourquoi les chercheurs veulent utiliser des embryons d&rsquo;\u00e9l\u00e9phants, qui sont en quelque sorte des \u00ab\u00a0descendants\u00a0\u00bb (ou plus exactement, de proches cousins) des mammouths laineux.<\/p>\n<p>Cela signifie qu&rsquo;on ne pourra pas faire revenir le \u00ab\u00a0vrai\u00a0\u00bb mammouth 100 % pur race, mais qu&rsquo;on peut en revanche concevoir un hybride qui s&rsquo;en rapproche beaucoup. Il s&rsquo;agirait certainement d&rsquo;un animal chim\u00e9rique ressemblant \u00e0 un \u00e9l\u00e9phant, mais avec des poils longs et laineux.<\/p>\n<p>Pour l&rsquo;instant, rapporte le Guardian, les chercheurs en sont encore au stade cellulaire, et ils sont en train d&rsquo;exp\u00e9rimenter plusieurs combinaisons de g\u00e8nes de mammouth et d&rsquo;\u00e9l\u00e9phant. Les premiers embryons n&rsquo;ont pas encore \u00e9t\u00e9 cr\u00e9\u00e9s, mais les scientifiques assurent qu&rsquo;ils seraient potentiellement en mesure de cr\u00e9er des embryons viables d&rsquo;ici un ou deux ans !<\/p>\n<p>source : <a href=\"http:\/\/www.demotivateur.fr\/article\/en-ce-moment-meme-des-chercheurs-sont-en-train-de-tenter-de-recreer-des-embryons-de-mammouth-laineux-9062\" target=\"_blank\">http:\/\/www.demotivateur.fr\/<\/a><\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"14792\">(758)<\/p>\n<!--CusAds0-->\n<div style=\"font-size: 0px; height: 0px; line-height: 0px; margin: 0; padding: 0; clear: both;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>Ressusciter des esp\u00e8ces disparues depuis des milliers d&rsquo;ann\u00e9es en utilisant leur ADN pour f\u00e9conder des embryons en laboratoire\u2026 Non, ce&#8230;<\/p>\n","protected":false},"author":1,"featured_media":10321,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"ngg_post_thumbnail":0,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"D'ici 2 ans, un mammouth laineux reviendra \u00e0 la vie @lateredufutur","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[31],"tags":[6342,2134,6343,951,6344],"class_list":["post-14792","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","tag-ambryon","tag-cellule","tag-laineux","tag-mammouth","tag-renaissance","wpcat-31-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/01\/mammouth.jpg?fit=645%2C320&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-3QA","jetpack-related-posts":[{"id":6194,"url":"https:\/\/www.laterredufutur.com\/accueil\/un-monde-ressuscite\/","url_meta":{"origin":14792,"position":0},"title":"Un Monde ressuscit\u00e9","author":"Admin","date":"28 avril 2015","format":false,"excerpt":"Nous venons de franchir un pas historique. Verrons-nous bient\u00f4t ressusciter les mammouths laineux, avec leurs d\u00e9fenses impressionnantes et leur pelage \u00e9pais\u2009? Esp\u00e8ce disparue depuis 4 000 ans, son ADN a \u00e9t\u00e9 r\u00e9cemment reconstitu\u00e9. Seulement 80 % de son g\u00e9nome avaient pu \u00eatre retrouv\u00e9s par des scientifiques en 2008. Une \u00e9tude,\u2026","rel":"","context":"Dans &quot;Arch\u00e9ologie&quot;","block_context":{"text":"Arch\u00e9ologie","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/archeologie\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/04\/mammouth.jpeg?fit=1200%2C900&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/04\/mammouth.jpeg?fit=1200%2C900&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/04\/mammouth.jpeg?fit=1200%2C900&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/04\/mammouth.jpeg?fit=1200%2C900&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/04\/mammouth.jpeg?fit=1200%2C900&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":22091,"url":"https:\/\/www.laterredufutur.com\/accueil\/sans-les-humains-les-mammouths-auraient-vecu-4000-ans-de-plus\/","url_meta":{"origin":14792,"position":1},"title":"Sans les humains, les mammouths auraient v\u00e9cu 4000 ans de plus","author":"Admin","date":"28 f\u00e9vrier 2021","format":false,"excerpt":"Une \u00e9quipe de chercheurs internationaux a utilis\u00e9 des simulations informatiques pour d\u00e9montrer qu'il existait probablement une combinaison avec le changement climatique et la chasse humaine qui aurait conduit \u00e0 l'extinction du mammouth laineux. Ils ont r\u00e9dig\u00e9 un article d\u00e9crivant leurs d\u00e9couvertes, disponible sur le serveur de pr\u00e9-impression bioRxiv - dans\u2026","rel":"","context":"Dans &quot;Arch\u00e9ologie&quot;","block_context":{"text":"Arch\u00e9ologie","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/archeologie\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/02\/mammouth.jpg?fit=1200%2C1200&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/02\/mammouth.jpg?fit=1200%2C1200&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/02\/mammouth.jpg?fit=1200%2C1200&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/02\/mammouth.jpg?fit=1200%2C1200&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/02\/mammouth.jpg?fit=1200%2C1200&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":18668,"url":"https:\/\/www.laterredufutur.com\/accueil\/des-cellules-de-mammouth-laineux-ravivees-28-000-ans-apres\/","url_meta":{"origin":14792,"position":2},"title":"Des cellules de mammouth laineux \u00ab raviv\u00e9es \u00bb 28.000 ans apr\u00e8s","author":"Admin","date":"22 avril 2019","format":false,"excerpt":"Des chercheurs japonais sont parvenus \u00e0 restaurer quelques fonctions de noyaux de cellules de mammouth laineux en les implantant dans des ovocytes de souris. Une \u00e9ni\u00e8me tentative qui vise \u00e0 ressusciter cette esp\u00e8ce embl\u00e9matique. Le retour du mammouth est un mythe toujours bien vivace et les scientifiques n'en finissent plus\u2026","rel":"","context":"Dans &quot;Arch\u00e9ologie&quot;","block_context":{"text":"Arch\u00e9ologie","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/archeologie\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/04\/mammouth.jpeg?fit=1200%2C900&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/04\/mammouth.jpeg?fit=1200%2C900&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/04\/mammouth.jpeg?fit=1200%2C900&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/04\/mammouth.jpeg?fit=1200%2C900&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/04\/mammouth.jpeg?fit=1200%2C900&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":716,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-mammouth-renait-de-ses-cendres\/","url_meta":{"origin":14792,"position":3},"title":"Le mammouth rena\u00eet de ses cendres","author":"Admin","date":"15 janvier 2012","format":false,"excerpt":"On en entend parler depuis des ann\u00e9es mais, cette fois, l\u2019annonce est officielle : d\u2019ici cinq ans, un mammouth laineux devrait voir le jour, \u00ab ressuscit\u00e9 \u00bb par des scientifiques japonais! Akira Iritani, g\u00e9n\u00e9ticien et professeur \u00e0 l\u2019universit\u00e9 de Kyoto, s\u2019appr\u00eate \u00e0 cloner ce pachyderme en utilisant des cellules de\u2026","rel":"","context":"Dans &quot;Divers&quot;","block_context":{"text":"Divers","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/divers\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":25393,"url":"https:\/\/www.laterredufutur.com\/accueil\/un-monde-qui-souhaite-ressusciter-des-especes-disparues\/","url_meta":{"origin":14792,"position":4},"title":"Un monde qui souhaite ressusciter des esp\u00e8ces disparues","author":"Admin","date":"30 novembre 2023","format":false,"excerpt":"Les mammouths sont des animaux qui ont disparu depuis tr\u00e8s longtemps de la biodiversit\u00e9 terrestre. Mais leur ADN a r\u00e9sist\u00e9 \u00e0 l\u2019\u00e9preuve du temps. Des scientifiques travaillent actuellement sur ces \u00e9chantillons d\u2019ADN pour faire revivre cette esp\u00e8ce. S\u2019ils y arrivent, le Texas pourrait abriter des mammouths. COLOSSAL BIOSCIENCES ET SON\u2026","rel":"","context":"Dans &quot;Arch\u00e9ologie&quot;","block_context":{"text":"Arch\u00e9ologie","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/archeologie\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/10\/mammouth-1.jpg?fit=1180%2C738&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/10\/mammouth-1.jpg?fit=1180%2C738&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/10\/mammouth-1.jpg?fit=1180%2C738&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/10\/mammouth-1.jpg?fit=1180%2C738&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/10\/mammouth-1.jpg?fit=1180%2C738&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":19771,"url":"https:\/\/www.laterredufutur.com\/accueil\/les-derniers-mammouth-ont-disparu-il-y-a-4000-ans\/","url_meta":{"origin":14792,"position":5},"title":"Les derniers Mammouth ont disparu il y a 4000 ans","author":"Admin","date":"6 novembre 2019","format":false,"excerpt":"Les derniers mammouths laineux vivaient sur l'\u00eele Wrangel dans l'oc\u00e9an Arctique; ils sont morts il y a 4000 ans et en tr\u00e8s peu de temps. Une \u00e9quipe de recherche internationale des universit\u00e9s d'Helsinki, de T\u00fcbingen et de l'Acad\u00e9mie des sciences de Russie a maintenant reconstitu\u00e9 le sc\u00e9nario qui aurait pu\u2026","rel":"","context":"Dans &quot;Arch\u00e9ologie&quot;","block_context":{"text":"Arch\u00e9ologie","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/archeologie\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/10\/mammouth-1.jpg?fit=1180%2C738&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/10\/mammouth-1.jpg?fit=1180%2C738&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/10\/mammouth-1.jpg?fit=1180%2C738&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/10\/mammouth-1.jpg?fit=1180%2C738&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/10\/mammouth-1.jpg?fit=1180%2C738&ssl=1&resize=1050%2C600 3x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/14792","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/comments?post=14792"}],"version-history":[{"count":1,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/14792\/revisions"}],"predecessor-version":[{"id":14794,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/14792\/revisions\/14794"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media\/10321"}],"wp:attachment":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media?parent=14792"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/categories?post=14792"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/tags?post=14792"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}