{"id":2109,"date":"2014-06-22T13:24:40","date_gmt":"2014-06-22T18:24:40","guid":{"rendered":"http:\/\/sciencemediacentre.ca\/site\/?p=2109"},"modified":"2014-06-23T11:21:09","modified_gmt":"2014-06-23T16:21:09","slug":"des-proteines-lumineuses-pour-faire-de-limagerie-cerebrale","status":"publish","type":"post","link":"http:\/\/sciencemediacentre.ca\/site\/des-proteines-lumineuses-pour-faire-de-limagerie-cerebrale\/","title":{"rendered":"Des prot\u00e9ines lumineuses pour faire de l&#8217;imagerie c\u00e9r\u00e9brale<img src=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/01\/canada_flag_icon_small.gif\">"},"content":{"rendered":"<div id=\"attachment_2099\" style=\"width: 348px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/06\/QuasAr.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2099\" class=\"size-full wp-image-2099\" src=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/06\/QuasAr.jpg\" alt=\"Des nouvelles prot\u00e9ines synth\u00e9tiques appel\u00e9es QuasArs \u00e9mettent une lumi\u00e8re rouge quand elles d\u00e9tectent une variation \u00e9lectrique sur la membrane d\u2019une cellule. (Cr\u00e9dit: Yongxin Zhao)\" width=\"338\" height=\"264\" srcset=\"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/06\/QuasAr.jpg 338w, http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/06\/QuasAr-300x234.jpg 300w\" sizes=\"auto, (max-width: 338px) 100vw, 338px\" \/><\/a><p id=\"caption-attachment-2099\" class=\"wp-caption-text\">Des nouvelles prot\u00e9ines synth\u00e9tiques appel\u00e9es QuasArs \u00e9mettent une lumi\u00e8re rouge quand elles d\u00e9tectent une variation \u00e9lectrique sur la membrane d\u2019une cellule. (Cr\u00e9dit: Yongxin Zhao)<\/p><\/div>\n<p><span style=\"color: #000000;\">Des chercheurs ont d\u00e9velopp\u00e9 une nouvelle prot\u00e9ine qui \u00e9met une lumi\u00e8re rouge en r\u00e9action aux signaux \u00e9lectriques envoy\u00e9s par une neurone.\u00a0 Ces prot\u00e9ines pourraient servir aux chercheurs afin de mesurer directement l\u2019activit\u00e9 c\u00e9r\u00e9brale chez des animaux vivants.<\/span><\/p>\n<p><span style=\"color: #000000;\">Ces prot\u00e9ines se trouvent \u00e0 l\u2019\u00e9tat naturel chez certains organismes ressemblant \u00e0 des bact\u00e9ries appel\u00e9s les arch\u00e9es afin de convertir l\u2019\u00e9nergie solaire en \u00e9nergie chimique. De mani\u00e8re inattendue, elles ont aussi la propri\u00e9t\u00e9 de s\u2019illuminer lorsqu\u2019elles d\u00e9tectent des signaux \u00e9lectriques. <\/span><\/p>\n<p><span style=\"color: #000000;\">Les chercheurs s\u00e9lectionnent les souches les plus brillantes et ont r\u00e9ussi \u00e0 les implanter dans des cellules de mammif\u00e8res.<\/span><\/p>\n<p>Pour lire l\u2019article original publi\u00e9 dans\u00a0<em>Nature Methods\u00a0<\/em>le\u00a0<strong>20 mai\u00a0<\/strong><strong>2014<\/strong>,\u00a0<span style=\"text-decoration: underline;\"><span><a href=\"http:\/\/www.nature.com\/nmeth\/journal\/vaop\/ncurrent\/full\/nmeth.3000.html\" 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><span style=\"color: #222222;\"><a style=\"color: #1155cc;\" href=\"http:\/\/www.chemistry.ualberta.ca\/FacultyandStaff\/Faculty\/RobertCampbell.aspx\" target=\"_blank\">Robert Campbell<\/a><\/span><span style=\"color: black;\">, Universit\u00e9 d\u2019Alberta, Alberta<\/span><\/h4>\n","protected":false},"excerpt":{"rendered":"<p>Des chercheurs ont d\u00e9velopp\u00e9 une nouvelle prot\u00e9ine qui \u00e9met une lumi\u00e8re rouge en r\u00e9action aux signaux \u00e9lectriques envoy\u00e9s par une neurone.\u00a0 Ces prot\u00e9ines pourraient servir aux chercheurs afin de mesurer directement l\u2019activit\u00e9 c\u00e9r\u00e9brale chez des animaux vivants. Ces prot\u00e9ines se trouvent \u00e0 l\u2019\u00e9tat naturel chez certains organismes ressemblant \u00e0 des bact\u00e9ries appel\u00e9s les arch\u00e9es afin [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":2099,"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":[861,66,919,910,694,1150,695],"class_list":["post-2109","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-paper-of-interest-fr","tag-alberta-fr","tag-biologie","tag-evolution-fr","tag-genetique","tag-medecine","tag-neurologie","tag-sante"],"jetpack_featured_media_url":"http:\/\/sciencemediacentre.ca\/site\/wp-content\/uploads\/2014\/06\/QuasAr.jpg","jetpack_shortlink":"https:\/\/wp.me\/p4DqbN-y1","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/2109","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=2109"}],"version-history":[{"count":1,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/2109\/revisions"}],"predecessor-version":[{"id":2110,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/posts\/2109\/revisions\/2110"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/media\/2099"}],"wp:attachment":[{"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/media?parent=2109"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/categories?post=2109"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/sciencemediacentre.ca\/site\/wp-json\/wp\/v2\/tags?post=2109"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}