{"id":4928,"date":"2023-05-02T21:06:53","date_gmt":"2023-05-02T20:06:53","guid":{"rendered":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/svt\/?p=4928"},"modified":"2023-05-02T21:06:54","modified_gmt":"2023-05-02T20:06:54","slug":"decouverte-des-plus-vieux-eucaryotes-planctoniques-macroscopiques","status":"publish","type":"post","link":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/svt\/decouverte-des-plus-vieux-eucaryotes-planctoniques-macroscopiques\/","title":{"rendered":"D\u00e9couverte des plus vieux eucaryotes planctoniques macroscopiques."},"content":{"rendered":"\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<figure class=\"wp-block-image is-resized is-style-default\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.cnrs.fr\/sites\/default\/files\/styles\/top_left\/public\/image\/Image%20CP%20Universit%C3%A9%20Poitiers.jpg?itok=Sfkn2daj\" alt=\"\" width=\"226\" height=\"226\" \/><figcaption><em>\u00a9 A. El Albani<\/em><\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<p>Une \u00e9quipe internationale coordonn\u00e9e par Abderrazak El Albani de l\u2019Institut de chimie des milieux et mat\u00e9riaux de Poitiers (IC2MP \u2013 Universit\u00e9 de Poitiers\/CNRS) a mis en \u00e9vidence les plus vieux fossiles de protistes eucaryotes, qui vivaient dans l\u2019eau de mer (plancton) il y a 2,1 milliards d\u2019ann\u00e9es.<\/p>\n<\/div>\n<\/div>\n\n\n\n<p>Ces fossiles ont \u00e9t\u00e9 d\u00e9couverts dans le fameux gisement gabonais de Moulend\u00e9, qui avait d\u00e9j\u00e0 livr\u00e9 les plus vieux organismes multicellulaires1 \u00ab Gabonionta \u00bb, ce qui permet d\u2019apporter un \u00e9clairage nouveau sur le d\u00e9but de l\u2019\u00e9mergence des eucaryotes. Cette d\u00e9couverte fait reculer le curseur de l\u2019\u00e9mergence des organismes eucaryotes de plus de 300 millions d\u2019ann\u00e9es. <\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:60px\">\n<div class=\"wp-block-image is-style-default\"><figure class=\"aligncenter is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.cnrs.fr\/themes\/custom\/cnrs\/logo.svg\" alt=\"Accueil\" width=\"89\" height=\"89\" \/><\/figure><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:150px\">\n<p class=\"has-text-align-left\">Source : <a href=\"https:\/\/www.cnrs.fr\/fr\/decouverte-des-plus-vieux-eucaryotes-planctoniques-macroscopiques\" target=\"_blank\" rel=\"noreferrer noopener\"><em>cnrs.fr<\/em><\/a><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-text-align-right\">Lien pour t\u00e9l\u00e9charger le <a href=\"https:\/\/www.cnrs.fr\/sites\/default\/files\/press_info\/2023-05\/CP%20eucaryotes%20planctoniques%20IC2MP%20020523_VF.pdf\">communiqu\u00e9 de presse<\/a><br>(<em>Publi\u00e9 sur le site du cnrs)<\/em><\/p>\n<\/div>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n\n<p>Un article franceinfo pr\u00e9sente aussi cette d\u00e9couverte : <em><a href=\"https:\/\/france3-regions.francetvinfo.fr\/nouvelle-aquitaine\/vienne\/poitiers\/sciences-nouvelle-decouverte-majeure-de-l-equipe-du-chercheur-poitevin-el-albani-des-fossiles-d-organismes-planctoniques-vieux-de-2-milliards-d-annees-2763542.html\" target=\"_blank\" rel=\"noreferrer noopener\">lien vers l&rsquo;article<\/a>.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Une \u00e9quipe internationale coordonn\u00e9e par Abderrazak El Albani de l\u2019Institut de chimie des milieux et mat\u00e9riaux de Poitiers (IC2MP \u2013 Universit\u00e9 de Poitiers\/CNRS) a mis en \u00e9vidence les plus vieux fossiles de protistes eucaryotes, qui vivaient dans l\u2019eau de mer (plancton) il y a 2,1 milliards d\u2019ann\u00e9es. Ces fossiles ont \u00e9t\u00e9 d\u00e9couverts dans le fameux &hellip; <\/p>\n<p><a class=\"more-link btn\" href=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/svt\/decouverte-des-plus-vieux-eucaryotes-planctoniques-macroscopiques\/\">Lire la suite<\/a><\/p>\n","protected":false},"author":1615,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19,46],"tags":[],"class_list":["post-4928","post","type-post","status-publish","format-standard","hentry","category-rappel-liste-de-diffusion","category-ressources-scientifiques","item-wrap"],"_links":{"self":[{"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/svt\/wp-json\/wp\/v2\/posts\/4928","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/svt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/svt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/svt\/wp-json\/wp\/v2\/users\/1615"}],"replies":[{"embeddable":true,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/svt\/wp-json\/wp\/v2\/comments?post=4928"}],"version-history":[{"count":16,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/svt\/wp-json\/wp\/v2\/posts\/4928\/revisions"}],"predecessor-version":[{"id":4944,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/svt\/wp-json\/wp\/v2\/posts\/4928\/revisions\/4944"}],"wp:attachment":[{"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/svt\/wp-json\/wp\/v2\/media?parent=4928"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/svt\/wp-json\/wp\/v2\/categories?post=4928"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/svt\/wp-json\/wp\/v2\/tags?post=4928"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}