{"id":10277,"date":"2023-11-28T20:10:59","date_gmt":"2023-11-28T20:10:59","guid":{"rendered":"https:\/\/www.africa-press.net\/sao-tome-e-principe\/politique\/ladn-nouveau-support-de-stockage-numerique"},"modified":"2023-11-28T21:50:42","modified_gmt":"2023-11-28T21:50:42","slug":"ladn-nouveau-support-de-stockage-numerique","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/sao-tome-e-principe\/toutes-les-actualites\/ladn-nouveau-support-de-stockage-numerique","title":{"rendered":"L\u2019ADN, nouveau support de stockage num\u00e9rique"},"content":{"rendered":"<p><span style=\"color: #ff6600\"><strong>Africa-Press &#8211; S\u00e3o Tom\u00e9 e Pr\u00edncipe. <\/strong><\/span>Face a\u0300 l\u2019augmentation exponentielle des donne\u0301es nume\u0301riques, qui doublent tous les trois ans, les modes de stockage actuels deviennent obsole\u0300tes. D\u2019une part, les supports e\u0301lectroniques tels que les disques durs ont une dure\u0301e de vie limite\u0301e, entre trois et cinq ans. D\u2019autre part, les sauvegardes sur des serveurs repre\u0301sentent un cou\u0302t environnemental gigantesque. Durable, compact, e\u0301conomique du point de vue e\u0301nerge\u0301tique, l\u2019ADN apporte une solution a\u0300 tous ces proble\u0300mes : 100 grammes d\u2019ADN pourraient contenir&#8230; l\u2019inte\u0301gralite\u0301 des donne\u0301es mondiales !<\/p>\n<p><b>Changer de code<\/b><\/p>\n<p>Mais comment e\u0301crire sur un support biologique ? En informatique, les donne\u0301es sont stocke\u0301es sous forme d\u2019un code binaire : une succession de 0 et de 1. L\u2019ADN, quant a\u0300 lui, est une se\u0301quence de mole\u0301cules (des nucle\u0301otides) de quatre types : ade\u0301nine, thymine, cytosine et guanine. Pour coder des informations sur des mole\u0301cules d\u2019ADN, il faut d\u2019abord changer de code, c\u2019est-a\u0300-dire passer du code informatique binaire a\u0300 une se\u0301quence de nucle\u0301otides. Les chercheurs synthe\u0301tisent ensuite la se\u0301quence nume\u0301rique code\u0301e.<\/p>\n<p><b>Des brins d\u2019ADN stocke\u0301s dans une capsule<\/b><\/p>\n<p>Comme dans un jeu de Lego, ils imbriquent par des re\u0301actions chimiques des nucle\u0301otides cre\u0301e\u0301s a\u0300 partir de glucose. Enfin, les brins d\u2019ADN sont stocke\u0301s dans une capsule. Pas besoin d\u2019e\u0301nergie pour maintenir une tempe\u0301rature constante : ils restent intacts, prote\u0301ge\u0301s de la lumie\u0300re, de l\u2019air et de l\u2019eau. Quant a\u0300 la lecture, c\u2019est un se\u0301quenceur ADN qui s\u2019en charge.<\/p>\n<p>A\u0300 l\u2019heure actuelle, deux textes ont d\u2019ores et de\u0301ja\u0300 e\u0301te\u0301 code\u0301s sur support ADN par Ste\u0301phane Lemaire et Pierre Crozet, chercheurs a\u0300 Sorbonne Universite\u0301 : la De\u0301claration des droits de la femme et de la citoyenne et la De\u0301claration des droits de l\u2019homme et du citoyen.<\/p>\n<p><strong>Pour plus d&rsquo;informations et d&rsquo;analyses sur la <a href=\"https:\/\/www.africa-press.net\/sao-tome-e-principe\">S\u00e3o Tom\u00e9 e Pr\u00edncipe<\/a>, suivez <a href=\"https:\/\/www.africa-press.net\/\">Africa-Press<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Africa-Press &#8211; S\u00e3o Tom\u00e9 e Pr\u00edncipe. Face a\u0300 l\u2019augmentation exponentielle des donne\u0301es nume\u0301riques, qui doublent tous les trois ans, les modes de stockage actuels deviennent obsole\u0300tes. D\u2019une part, les supports e\u0301lectroniques tels que les disques durs ont une dure\u0301e de vie limite\u0301e, entre trois et cinq ans. D\u2019autre part, les sauvegardes sur des serveurs repre\u0301sentent [&hellip;]<\/p>\n","protected":false},"author":82,"featured_media":10276,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,10],"tags":[36,55,56],"class_list":["post-10277","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","category-toutes-les-actualites","tag-africa-press","tag-africa-press-sao-tome-e-principe","tag-sao-tome-e-principe"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.1 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>L\u2019ADN, nouveau support de stockage num\u00e9rique - S\u00e3o Tom\u00e9 e Pr\u00edncipe<\/title>\n<meta name=\"description\" content=\"Face a\u0300 l\u2019augmentation exponentielle des donne\u0301es nume\u0301riques, qui doublent tous les trois ans, les modes de stockage ac ...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.africa-press.net\/sao-tome-e-principe\/toutes-les-actualites\/ladn-nouveau-support-de-stockage-numerique\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"L\u2019ADN, nouveau support de stockage num\u00e9rique\" \/>\n<meta property=\"og:description\" content=\"Face a\u0300 l\u2019augmentation exponentielle des donne\u0301es nume\u0301riques, qui doublent tous les trois ans, les modes de stockage ac ...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.africa-press.net\/sao-tome-e-principe\/toutes-les-actualites\/ladn-nouveau-support-de-stockage-numerique\" \/>\n<meta property=\"og:site_name\" content=\"S\u00e3o Tom\u00e9 e Pr\u00edncipe\" \/>\n<meta property=\"article:published_time\" content=\"2023-11-28T20:10:59+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-11-28T21:50:42+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/static.africa-press.net\/sao-tome-e-principe\/sites\/59\/2023\/11\/sm_1701191905.497013.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"899\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"cfeditorfr\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"cfeditorfr\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.africa-press.net\/sao-tome-e-principe\/toutes-les-actualites\/ladn-nouveau-support-de-stockage-numerique#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.africa-press.net\/sao-tome-e-principe\/toutes-les-actualites\/ladn-nouveau-support-de-stockage-numerique\"},\"author\":{\"name\":\"cfeditorfr\",\"@id\":\"https:\/\/www.africa-press.net\/sao-tome-e-principe\/#\/schema\/person\/2b1cf3cd81a31e3cd26889ca66d677f1\"},\"headline\":\"L\u2019ADN, nouveau support de stockage num\u00e9rique\",\"datePublished\":\"2023-11-28T20:10:59+00:00\",\"dateModified\":\"2023-11-28T21:50:42+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.africa-press.net\/sao-tome-e-principe\/toutes-les-actualites\/ladn-nouveau-support-de-stockage-numerique\"},\"wordCount\":367,\"commentCount\":0,\"image\":{\"@id\":\"https:\/\/www.africa-press.net\/sao-tome-e-principe\/toutes-les-actualites\/ladn-nouveau-support-de-stockage-numerique#primaryimage\"},\"thumbnailUrl\":\"https:\/\/static.africa-press.net\/sao-tome-e-principe\/sites\/59\/2023\/11\/sm_1701191905.497013.jpg\",\"keywords\":[\"Africa Press\",\"Africa Press-S\u00e3o Tom\u00e9 e Pr\u00edncipe\",\"S\u00e3o Tom\u00e9 e Pr\u00edncipe\"],\"articleSection\":[\"Divers\",\"Toutes les actualit\u00e9s\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.africa-press.net\/sao-tome-e-principe\/toutes-les-actualites\/ladn-nouveau-support-de-stockage-numerique#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.africa-press.net\/sao-tome-e-principe\/toutes-les-actualites\/ladn-nouveau-support-de-stockage-numerique\",\"url\":\"https:\/\/www.africa-press.net\/sao-tome-e-principe\/toutes-les-actualites\/ladn-nouveau-support-de-stockage-numerique\",\"name\":\"L\u2019ADN, nouveau support de stockage num\u00e9rique - 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