{"version":"1.0","type":"video","provider_name":"Viously","provider_url":"https:\/\/www.viously.com","width":"500","height":"282","thumbnail_width":620,"thumbnail_height":349,"title":"Des mitochondries pist\u00e9es \u00e0 l\u2019int\u00e9rieur de neurones","author_name":"Futura","author_url":"https:\/\/video.futura-sciences.com\/","thumbnail_url":"https:\/\/cdn.viously.com\/video\/ZVIUmcQj5ev\/latest-w620.jpg","html":"<div itemprop=\"video\" itemscope itemtype=\"\/\/schema.org\/VideoObject\"><link itemprop=\"url\" href=\"https:\/\/video.futura-sciences.com\/futura\/ZVIUmcQj5ev\" \/><meta itemprop=\"name\" content=\"Des mitochondries pist\u00e9es \u00e0 l\u2019int\u00e9rieur de neurones\" \/><meta itemprop=\"description\" content=\"Les mitochondries correspondent aux centrales \u00e9nerg\u00e9tiques des cellules eucaryotes. Elles peuvent se d\u00e9placer pour aller au plus pr\u00e8s des zones requ\u00e9rants des mol\u00e9cules d\u2019ATP (de l\u2019\u00e9nergie est contenue dans des liaisons phosphate-phosphate).\n\nDominik Paquet a r\u00e9ussi \u00e0 filmer le d\u00e9placement des mitochondries \u00e0 l\u2019int\u00e9rieur de neurones sensoriels chez un poisson z\u00e8bre \u00e2g\u00e9 de deux jours, vivant et intact. Cet animal a pr\u00e9alablement subi des modifications g\u00e9n\u00e9tiques. Les transg\u00e8nes memYFP et mitoCFP ont \u00e9t\u00e9 utilis\u00e9s pour rendre les membranes cellulaires et les mitochondries fluorescentes, respectivement en bleu et en vert.\n\nLa principale difficult\u00e9 a \u00e9t\u00e9 d\u2019orienter l\u2019animal de mani\u00e8re \u00e0 placer les cellules nerveuses dans le plan de nettet\u00e9 de la cam\u00e9ra. La larve mesure en effet 1 millim\u00e8tre.\n\n\u00a9 Dominik Paquet, universit\u00e9 de Rockefeller et Centre allemand des maladies neurod\u00e9g\u00e9n\u00e9ratives\" \/><meta itemprop=\"duration\" content=\"PT21S\" \/><meta itemprop=\"uploadDate\" content=\"2020-04-09 08:37:29\" \/><link itemprop=\"thumbnailUrl\" href=\"https:\/\/cdn.viously.com\/video\/ZVIUmcQj5ev\/latest-w620.jpg\" \/><span itemprop=\"thumbnail\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"><link itemprop=\"url\" href=\"https:\/\/cdn.viously.com\/video\/ZVIUmcQj5ev\/latest-w620.jpg\" \/><meta itemprop=\"width\" content=\"620\" \/><meta itemprop=\"height\" content=\"349\" \/><\/span><link itemprop=\"embedURL\" href=\"https:\/\/video.futura-sciences.com\/export\/ZVIUmcQj5ev\" \/><meta itemprop=\"playerType\" content=\"HTML5\" \/><meta itemprop=\"width\" content=\"640\" \/><meta itemprop=\"height\" content=\"480\" \/><div class=\"vsly-player\" id=\"ZVIUmcQj5ev\" style=\"background:#ddd;font-size:0;position:relative;overflow:hidden;width:min(100%,50vh);max-height:50vh;aspect-ratio:1\/1;margin:0 auto;\" data-height=\"16\" data-width=\"16\" data-iframe=\"https:\/\/www.viously.com\/amp\/ZVIUmcQj5ev\" data-img=\"https:\/\/cdn.viously.com\/video\/ZVIUmcQj5ev\/latest-w620.webp\"><\/div><script id=\"xieg6Sie\" src=\"https:\/\/cdn.viously.com\/js\/sdk\/boot.js\"><\/script><\/div>"}