{"id":1404,"date":"2014-04-10T22:40:20","date_gmt":"2014-04-11T03:40:20","guid":{"rendered":"http:\/\/sciencemediacentre.ca\/site\/?p=1404"},"modified":"2014-05-03T22:43:28","modified_gmt":"2014-05-04T03:43:28","slug":"un-plancton-vieux-de-millions-dannees-revient-a-la-vie","status":"publish","type":"post","link":"http:\/\/sciencemediacentre.ca\/site\/un-plancton-vieux-de-millions-dannees-revient-a-la-vie\/","title":{"rendered":"Un plancton vieux de millions d&#8217;ann\u00e9es revient \u00e0 la vie<img src=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/01\/canada_flag_icon_small.gif\">"},"content":{"rendered":"<div id=\"attachment_1394\" style=\"width: 410px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/05\/Dinoflagellates-3.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1394\" class=\"size-full wp-image-1394\" src=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/05\/Dinoflagellates-3.jpg\" alt=\"Les scientifiques pensaient que l\u2019esp\u00e8ce de plancton Dapsilidinium pastielsii \u00e9tait disparue depuis des millions d\u2019ann\u00e9es. Apr\u00e8s avoir trouv\u00e9 des kystes de ce plancton (\u00e0 gauche), ils ont r\u00e9ussi \u00e0 faire \u00e9clore un plancton de cette esp\u00e8ce disparue (\u00e0 droite). (Cr\u00e9dit : Mertens et al., 2014)\" width=\"400\" height=\"182\" srcset=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/05\/Dinoflagellates-3.jpg 400w, http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/05\/Dinoflagellates-3-300x136.jpg 300w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/a><p id=\"caption-attachment-1394\" class=\"wp-caption-text\">Les scientifiques pensaient que l\u2019esp\u00e8ce de plancton Dapsilidinium pastielsii \u00e9tait disparue depuis des millions d\u2019ann\u00e9es. Apr\u00e8s avoir trouv\u00e9 des kystes de ce plancton (\u00e0 gauche), ils ont r\u00e9ussi \u00e0 faire \u00e9clore un plancton de cette esp\u00e8ce disparue (\u00e0 droite). (Cr\u00e9dit : Mertens et al., 2014)<\/p><\/div>\n<p><span style=\"color: #000000;\">Des chercheurs ont \u00e9t\u00e9 capables de ramener \u00e0 la vie une esp\u00e8ce de plancton qu\u2019ils pensaient disparu depuis des millions d\u2019ann\u00e9es. C\u2019est la seule esp\u00e8ce de plancton restante d\u2019une famille qui peuplait les oc\u00e9ans il y \u00a0a 50 millions d\u2019ann\u00e9es. Ce plancton<\/span><span style=\"font-style: italic; color: #000000;\"> Dapsilidinium pastielsii <\/span><span style=\"color: #000000;\">aime l\u2019eau chaude et serait disparu apr\u00e8s un refroidissement des oc\u00e9ans. Toutefois, un groupe de chercheurs a r\u00e9cup\u00e9r\u00e9 des kystes de ce plancton dans des s\u00e9diments marins au large des c\u00f4tes du Japon et de l\u2019Indon\u00e9sie. En laboratoire, ils ont r\u00e9ussi \u00e0 faire \u00e9clore des planctons vivants \u00e0 partir des kystes. Les chercheurs estiment qu\u2019avec le r\u00e9chauffement des oc\u00e9ans, ce plancton pourrait r\u00e9appara\u00eetre dans nos oc\u00e9ans \u00e0 partir des kystes se trouvant au fond de l\u2019oc\u00e9an.<\/span><\/p>\n<p>Pour lire l\u2019article original publi\u00e9 dans<em>\u00a0Geology\u00a0<\/em>le <strong>10<\/strong><strong>\u00a0Avril 2014<\/strong>,\u00a0<span style=\"text-decoration: underline;\"><span><a href=\"http:\/\/geology.gsapubs.org\/content\/early\/2014\/04\/08\/G35456.1.abstract?sid=62154f5e-80ed-4647-9b8b-58777c8b237b\" target=\"_blank\">cliquez\u00a0ici<\/a><\/span><\/span>.<\/p>\n<p><span style=\"text-decoration: underline;\"><span><em><strong>Auteur \u00e0 contacter pour plus d\u2019informations<\/strong><\/em><\/span><\/span><\/p>\n<h4><a style=\"color: #1155cc;\" href=\"http:\/\/www.brocku.ca\/mathematics-science\/departments-and-centres\/earth-sciences\/people\/faculty\/martin-j-head\" target=\"_blank\">Martin Head<\/a><span style=\"color: #000000;\">, Universit\u00e9 Brock, Ontario<\/span><\/h4>\n","protected":false},"excerpt":{"rendered":"<p>Des chercheurs ont \u00e9t\u00e9 capables de ramener \u00e0 la vie une esp\u00e8ce de plancton qu\u2019ils pensaient disparu depuis des millions d\u2019ann\u00e9es. C\u2019est la seule esp\u00e8ce de plancton restante d\u2019une famille qui peuplait les oc\u00e9ans il y \u00a0a 50 millions d\u2019ann\u00e9es. Ce plancton Dapsilidinium pastielsii aime l\u2019eau chaude et serait disparu apr\u00e8s un refroidissement des oc\u00e9ans. [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":1394,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_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":""},"categories":[531],"tags":[235,66,388,683,1317,919,846,1313,1316],"class_list":["post-1404","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-paper-of-interest-fr","tag-animaux","tag-biologie","tag-changements-climatiques","tag-environnement","tag-eteint","tag-evolution-fr","tag-ontario-fr","tag-organisme","tag-vie"],"jetpack_featured_media_url":"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/05\/Dinoflagellates-3.jpg","jetpack_shortlink":"https:\/\/wp.me\/p4DqbN-mE","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/1404","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/comments?post=1404"}],"version-history":[{"count":1,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/1404\/revisions"}],"predecessor-version":[{"id":1405,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/1404\/revisions\/1405"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/media\/1394"}],"wp:attachment":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/media?parent=1404"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/categories?post=1404"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/tags?post=1404"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}