{"id":1560,"date":"2014-05-08T22:36:02","date_gmt":"2014-05-09T03:36:02","guid":{"rendered":"http:\/\/sciencemediacentre.ca\/site\/?p=1560"},"modified":"2014-05-15T22:39:21","modified_gmt":"2014-05-16T03:39:21","slug":"comment-une-algue-inoffensive-est-devenue-un-parasite-mortel","status":"publish","type":"post","link":"http:\/\/sciencemediacentre.ca\/site\/comment-une-algue-inoffensive-est-devenue-un-parasite-mortel\/","title":{"rendered":"Comment une algue inoffensive est devenue un parasite mortel"},"content":{"rendered":"<div id=\"attachment_1558\" style=\"width: 489px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/05\/pngbase643b3ab0b9f20ff98b-e1400211103230.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1558\" class=\"size-full wp-image-1558\" src=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/05\/pngbase643b3ab0b9f20ff98b-e1400211103230.png\" alt=\"Le parasite Helicosporidium en forme de tire-bouchon \u00e9tait \u00e0 l\u2019origine une algue verte. (Cr\u00e9dit: Drion Boucias, Universit\u00e9 de Floride et UBC)\" width=\"479\" height=\"348\" srcset=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/05\/pngbase643b3ab0b9f20ff98b-e1400211103230.png 479w, http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/05\/pngbase643b3ab0b9f20ff98b-e1400211103230-300x217.png 300w\" sizes=\"auto, (max-width: 479px) 100vw, 479px\" \/><\/a><p id=\"caption-attachment-1558\" class=\"wp-caption-text\">Le parasite Helicosporidium en forme de tire-bouchon \u00e9tait \u00e0 l\u2019origine une algue verte. (Cr\u00e9dit: Drion Boucias, Universit\u00e9 de Floride <a href=\"http:\/\/news.ubc.ca\/2014\/05\/08\/lethal-parasite-evolved-from-pond-scum\/&quot;\">et UBC<\/a>)<\/p><\/div>\n<p><span style=\"color: #000000;\">Une nouvelle \u00e9tude g\u00e9n\u00e9tique montre comment une algue inoffensive est devenue un parasite d\u2019insectes capables de tuer des mouches noires, des chenilles, des scarab\u00e9es et des moustiques. L\u2019analyse du g\u00e9nome de l\u2019algue, Helicosporidium, montre qu\u2019elle a gard\u00e9 presque tous ses g\u00e8nes \u00e0 l\u2019exception de ceux n\u00e9cessaires \u00e0 la photosynth\u00e8se. Elle les aurait perdus il y a 100 millions d\u2019ann\u00e9es au moment o\u00f9 elle est devenue un parasite. Cette \u00e9tude raffine notre compr\u00e9hension de l\u2019\u00e9volution des parasites et pourrait nous aider dans le contr\u00f4le des insectes.<\/span><\/p>\n<p>Pour lire l\u2019article original publi\u00e9 dans\u00a0<em><span style=\"text-decoration: underline;\">PLOS Genetics<\/span>\u00a0<\/em>le\u00a0<strong>8 Mai<\/strong><strong>\u00a02014<\/strong>,\u00a0<span style=\"text-decoration: underline;\"><a href=\"http:\/\/www.plosgenetics.org\/article\/info%3Adoi%2F10.1371%2Fjournal.pgen.1004355;jsessionid=B7421A83F27E47388B66BA8313F75512\" target=\"_blank\">cliquez\u00a0ici<\/a><\/span>.<\/p>\n<p><span style=\"text-decoration: underline;\"><em><strong>Auteur \u00e0 contacter pour plus d\u2019informations<\/strong><\/em><\/span><\/p>\n<h4><a style=\"color: #1155cc;\" href=\"http:\/\/www3.botany.ubc.ca\/keeling\/\" target=\"_blank\">Patrick Keeling<\/a><span style=\"color: #000000;\">, Universit\u00e9 de la Colombie-Britannique, British Columbia<\/span><\/h4>\n","protected":false},"excerpt":{"rendered":"<p>Une nouvelle \u00e9tude g\u00e9n\u00e9tique montre comment une algue inoffensive est devenue un parasite d\u2019insectes capables de tuer des mouches noires, des chenilles, des scarab\u00e9es et des moustiques. L\u2019analyse du g\u00e9nome de l\u2019algue, Helicosporidium, montre qu\u2019elle a gard\u00e9 presque tous ses g\u00e8nes \u00e0 l\u2019exception de ceux n\u00e9cessaires \u00e0 la photosynth\u00e8se. Elle les aurait perdus il y [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":1558,"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":[235,66,402,919,910],"class_list":["post-1560","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-paper-of-interest-fr","tag-animaux","tag-biologie","tag-colombie-britannique","tag-evolution-fr","tag-genetique"],"jetpack_featured_media_url":"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/05\/pngbase643b3ab0b9f20ff98b-e1400211103230.png","jetpack_shortlink":"https:\/\/wp.me\/p4DqbN-pa","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/1560","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=1560"}],"version-history":[{"count":2,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/1560\/revisions"}],"predecessor-version":[{"id":1562,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/1560\/revisions\/1562"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/media\/1558"}],"wp:attachment":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/media?parent=1560"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/categories?post=1560"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/tags?post=1560"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}