{"id":16773,"date":"2018-07-13T20:00:13","date_gmt":"2018-07-13T18:00:13","guid":{"rendered":"http:\/\/www.laterredufutur.com\/accueil\/?p=16773"},"modified":"2018-07-04T11:33:19","modified_gmt":"2018-07-04T09:33:19","slug":"une-bacterie-tire-son-energie-de-la-radioactivite","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/une-bacterie-tire-son-energie-de-la-radioactivite\/","title":{"rendered":"Une bact\u00e9rie tire son \u00e9nergie de la radioactivit\u00e9"},"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>Cette esp\u00e8ce est si \u00e9trange, a si peu de traits communs avec le reste du monde animal, qu&rsquo;elle est presque comme une vie extraterrestre sur &#8211; ou plut\u00f4t, sous &#8211; Terre.<br \/>\nLa d\u00e9couverte d&rsquo;un foisonnement d&rsquo;esp\u00e8ces inconnues autour des sources hydrothermales, au fond des oc\u00e9ans, avait r\u00e9v\u00e9l\u00e9 \u00e0 quel point la vie \u00e9tait capable de s&rsquo;adapter aux environnements les plus hostiles.<\/p>\n<p>C&rsquo;\u00e9tait d\u00e9j\u00e0 un \u00e9cosyst\u00e8me ayant prosp\u00e9r\u00e9 en dehors de tous les autres. Mais une \u00e9tude publi\u00e9e dans Nature d\u00e9crit la vie d&rsquo;un autre \u00e9cosyst\u00e8me encore plus \u00e9loign\u00e9 du reste du vivant, celui de Desulforudis audaxviator. A la diff\u00e9rence des bact\u00e9ries symbiotiques des monts hydrothermaux, la bact\u00e9rie n&rsquo;interagit avec aucune autre esp\u00e8ce vivante.<\/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>Autres particularit\u00e9s, Desulforudis audaxviator vit en l&rsquo;absence totale de lumi\u00e8re du jour, dans une eau souterraine pouvant atteindre les 60\u00b0Celsius, sans oxyg\u00e8ne et sans compos\u00e9s organiques. Alors de quoi se nourrissent ces organismes? La r\u00e9ponse doit \u00eatre recherch\u00e9e dans les roches alentour. Ces bact\u00e9ries ne tirent pas leur \u00e9nergie du Soleil, mais de la radioactivit\u00e9 naturelle de l&rsquo;uranium qui les entoure.<\/p>\n<p>Selon des chercheurs du Brazilian Synchrotron Light Laboratory et de l&rsquo;Universit\u00e9 de S\u00e3o Paulo, au Br\u00e9sil, ces caract\u00e9ristiques en font un excellent mod\u00e8le pour \u00e9tudier la possibilit\u00e9 d&rsquo;une vie extraterrestre. En particulier, la possibilit\u00e9 de vie sur la lune Europe de Jupiter, une plan\u00e8te oc\u00e9anique recouverte de glaces, loin de la lumi\u00e8re vivifiante et de la chaleur de notre \u00e9toile.<\/p>\n<p>source : <a href=\"https:\/\/www.bfmtv.com\/planete\/une-bacterie-tire-son-energie-de-la-radioactivite-1382577.html\" target=\"_blank\" rel=\"noopener\">https:\/\/www.bfmtv.com\/<\/a>13<\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"16773\">(370)<\/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>Cette esp\u00e8ce est si \u00e9trange, a si peu de traits communs avec le reste du monde animal, qu&rsquo;elle est presque&#8230;<\/p>\n","protected":false},"author":1,"featured_media":16774,"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_post_was_ever_published":false,"_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":"Une bact\u00e9rie tire son \u00e9nergie de la radioactivit\u00e9 @laterredufutur","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}},"categories":[26],"tags":[6727,101,310],"class_list":["post-16773","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-solutions","tag-desulforudis-audaxviator","tag-energie","tag-radioactivite","wpcat-26-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2018\/07\/uranium-desulforudis-audaxviator.jpg?fit=909%2C687&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-4mx","jetpack-related-posts":[{"id":2893,"url":"https:\/\/www.laterredufutur.com\/accueil\/la-fosse-des-mariannes\/","url_meta":{"origin":16773,"position":0},"title":"La Fosse des Mariannes","author":"Admin","date":"4 mai 2005","format":false,"excerpt":"La fosse des Mariannes est le coin le plus creux du globe. Elle mesure 10 920 m\u00e8tres sous la surface de la mer. La fosse a \u00e9t\u00e9 d\u00e9couverte par les chercheurs du navire oc\u00e9anographique \"Challenger II\" en 1951. Cette fosse s\u2019\u00e9tend sur plus de 25 000 kilom\u00e8tres. Elle est la\u2026","rel":"","context":"Dans &quot;Outils sur le volcanisme et les s\u00e9ismes&quot;","block_context":{"text":"Outils sur le volcanisme et les s\u00e9ismes","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/outils-volcanisme-seismes\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":20948,"url":"https:\/\/www.laterredufutur.com\/accueil\/les-cyborgs-microbiens-transforment-les-bacteries-en-sources-denergie\/","url_meta":{"origin":16773,"position":1},"title":"Les cyborgs microbiens transforment les bact\u00e9ries en sources d&rsquo;\u00e9nergie","author":"Admin","date":"10 juin 2020","format":false,"excerpt":"Des chercheurs de l'Institut de technologie de Karlsruhe (KIT) en Allemagne d\u00e9veloppent des \"cyborgs microbiens\" qui g\u00e9n\u00e8rent de l'\u00e9lectricit\u00e9 utilisable en combinant les bact\u00e9ries Shewanella oneidensis avec un mat\u00e9riau nanocomposite. Aujourd'hui, tous les appareils \u00e9lectriques sont des morceaux de technologie sans vie aliment\u00e9s par des batteries sans vie et d'autres\u2026","rel":"","context":"Dans &quot;Technologie et IA&quot;","block_context":{"text":"Technologie et IA","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/technologie\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/05\/microbe.jpg?fit=1200%2C900&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/05\/microbe.jpg?fit=1200%2C900&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/05\/microbe.jpg?fit=1200%2C900&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/05\/microbe.jpg?fit=1200%2C900&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/05\/microbe.jpg?fit=1200%2C900&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":5803,"url":"https:\/\/www.laterredufutur.com\/accueil\/la-france-fait-face-seule-au-debarquement-de-la-bacterie-tueuse-doliviers\/","url_meta":{"origin":16773,"position":2},"title":"La France fait face, seule, au d\u00e9barquement de la bact\u00e9rie \u00abtueuse d&rsquo;oliviers\u00bb","author":"Admin","date":"16 avril 2015","format":false,"excerpt":"La bact\u00e9rie \u00abtueuse d'oliviers\u00bb Xyllela Fastidiosa, dont le seul nom d\u00e9clenche l'effroi depuis qu'elle attaque les arbres multis\u00e9culaires du sud de l'Italie, a \u00e9t\u00e9 identifi\u00e9e pour la premi\u00e8re fois en France dans un plant de caf\u00e9ier intercept\u00e9 au march\u00e9 de Rungis. Le minist\u00e8re de l'Agriculture a indiqu\u00e9, mercredi soir, que\u2026","rel":"","context":"Dans &quot;Ecologie&quot;","block_context":{"text":"Ecologie","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/ecologie\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/04\/france-bacterie-tueuse.jpg?fit=616%2C411&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/04\/france-bacterie-tueuse.jpg?fit=616%2C411&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/04\/france-bacterie-tueuse.jpg?fit=616%2C411&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":27572,"url":"https:\/\/www.laterredufutur.com\/accueil\/les-saisons-terrestres-sont-etrangement-desynchronisees-decouvrent-des-scientifiques-depuis-lespace\/","url_meta":{"origin":16773,"position":3},"title":"Les saisons terrestres sont \u00e9trangement d\u00e9synchronis\u00e9es, d\u00e9couvrent des scientifiques depuis l&rsquo;espace","author":"Admin","date":"31 d\u00e9cembre 2025","format":false,"excerpt":"Des scientifiques de l'Universit\u00e9 de Californie \u00e0 Berkeley ont observ\u00e9 les saisons de notre plan\u00e8te depuis l'espace et ont d\u00e9couvert que le printemps, l'\u00e9t\u00e9, l'hiver et l'automne sont \u00e9tonnamment d\u00e9synchronis\u00e9s. Le fait que deux lieux se trouvent dans le m\u00eame h\u00e9misph\u00e8re, \u00e0 des altitudes similaires ou \u00e0 la m\u00eame latitude\u2026","rel":"","context":"Dans &quot;M\u00e9t\u00e9orologie&quot;","block_context":{"text":"M\u00e9t\u00e9orologie","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/meteorologie\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/12\/croissances-saisonnieres-terre.jpeg?fit=600%2C302&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/12\/croissances-saisonnieres-terre.jpeg?fit=600%2C302&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/12\/croissances-saisonnieres-terre.jpeg?fit=600%2C302&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":18145,"url":"https:\/\/www.laterredufutur.com\/accueil\/des-bacteries-presentes-dans-latmosphere-et-leau-produisent-de-lenergie\/","url_meta":{"origin":16773,"position":4},"title":"Des bact\u00e9ries pr\u00e9sentes dans l\u2019atmosph\u00e8re et l\u2019eau produisent de l\u2019\u00e9nergie","author":"Admin","date":"1 mars 2019","format":false,"excerpt":"A partir de bact\u00e9ries recueillies dans l\u2019estuaire d\u2019une rivi\u00e8re britannique, des scientifiques ont d\u00e9montr\u00e9 que les organismes microbiens constituent une source d\u2019\u00e9nergie renouvelable capable de r\u00e9pondre \u00e0 de petits besoins \u00e9nerg\u00e9tiques. L\u2019\u00e9tude men\u00e9e par une \u00e9quipe multi-disciplinaire de l\u2019universit\u00e9 de Newcastle (Grande-Bretagne) et parue dans Environmental Science and Technology, une\u2026","rel":"","context":"Dans &quot;Solutions&quot;","block_context":{"text":"Solutions","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/solutions\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/01\/Bacillus-stratosphericus.jpg?fit=700%2C508&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/01\/Bacillus-stratosphericus.jpg?fit=700%2C508&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/01\/Bacillus-stratosphericus.jpg?fit=700%2C508&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/01\/Bacillus-stratosphericus.jpg?fit=700%2C508&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":17892,"url":"https:\/\/www.laterredufutur.com\/accueil\/des-scientifiques-decouvrent-des-creatures-etranges-dans-un-lac-perdu-sous-glaciaire-de-lantarctique\/","url_meta":{"origin":16773,"position":5},"title":"Des scientifiques d\u00e9couvrent des cr\u00e9atures \u00e9tranges dans un lac perdu sous glaciaire de l&rsquo;antarctique","author":"Admin","date":"21 janvier 2019","format":false,"excerpt":"Une vie organique a \u00e9t\u00e9 d\u00e9couverte au fond du lac subglaciaire Mercer en r\u00e9gion antarctique par les scientifiques du projet international SALSA. Ils aspirent \u00e0 trouver d\u2019autres formes de vie, plus \u00e9volu\u00e9es, dans un des \u00e9cosyst\u00e8mes les plus isol\u00e9s de la plan\u00e8te. John Priscu, scientifique \u00e0 l'Universit\u00e9 du Montana et\u2026","rel":"","context":"Dans &quot;Divers&quot;","block_context":{"text":"Divers","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/divers\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/01\/AntarcticaHiddenLakeCreatures-salsa-antarctique-2.jpg?fit=1200%2C901&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/01\/AntarcticaHiddenLakeCreatures-salsa-antarctique-2.jpg?fit=1200%2C901&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/01\/AntarcticaHiddenLakeCreatures-salsa-antarctique-2.jpg?fit=1200%2C901&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/01\/AntarcticaHiddenLakeCreatures-salsa-antarctique-2.jpg?fit=1200%2C901&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/01\/AntarcticaHiddenLakeCreatures-salsa-antarctique-2.jpg?fit=1200%2C901&ssl=1&resize=1050%2C600 3x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/16773","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=16773"}],"version-history":[{"count":1,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/16773\/revisions"}],"predecessor-version":[{"id":16775,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/16773\/revisions\/16775"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media\/16774"}],"wp:attachment":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media?parent=16773"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/categories?post=16773"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/tags?post=16773"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}