{"id":6276,"date":"2016-09-22T19:39:09","date_gmt":"2016-09-22T22:39:09","guid":{"rendered":"https:\/\/blog.mindthegraph.com\/?p=6276"},"modified":"2022-10-18T08:10:47","modified_gmt":"2022-10-18T11:10:47","slug":"tartigrades-superpowers","status":"publish","type":"post","link":"https:\/\/mindthegraph.com\/blog\/fr\/tartigrades-superpouvoirs\/","title":{"rendered":"Les superpouvoirs des Tartigrades sont r\u00e9els ?"},"content":{"rendered":"

Les superpouvoirs des tartigrades sont un sujet d'actualit\u00e9 dans le monde entier. Cependant, alors que vous pensiez que la nature ne pouvait pas devenir plus folle, elle vous surprend \u00e0 nouveau.<\/p>\n

Les tartigrades sont d\u00e9j\u00e0 connus comme les animaux les plus r\u00e9sistants de la Terre. Ils ont re\u00e7u cette \u00e9tiquette en raison de leur r\u00e9sistance aux radiations, aux hautes pressions et aux temp\u00e9ratures extr\u00eames. Il n'est pas surprenant que ce petit animal ait d\u00e9clench\u00e9 une s\u00e9rie de nouvelles questions sur la fa\u00e7on dont l'\u00e9volution a pu se produire.<\/p>\n

\"Les<\/a><\/p>\n

Cette semaine, une nouvelle recherche publi\u00e9e sur Nature<\/a>a r\u00e9v\u00e9l\u00e9 beaucoup plus sur les superpouvoirs des tartigrades.<\/p>\n

Apr\u00e8s avoir s\u00e9quenc\u00e9 le g\u00e9nome des tartigrades, Takekazu Kunieda et son \u00e9quipe de scientifiques ont identifi\u00e9 une prot\u00e9ine qui prot\u00e8ge l'ADN lorsqu'il est soumis \u00e0 des radiations. Cette prot\u00e9ine ne se trouve que chez les tartigrades. Cependant, Kunieda \u00e9tudie actuellement comment la m\u00eame prot\u00e9ine peut \u00eatre introduite chez l'homme et prot\u00e9ger son ADN.<\/p>\n

\u00a0\"Il est \u00e9tonnant de constater qu'un seul g\u00e8ne suffit \u00e0 am\u00e9liorer, dans une culture de cellules humaines, leur tol\u00e9rance aux radiations. Nous pensons que cette prot\u00e9ine peut fonctionner comme un bouclier physique pour prot\u00e9ger l'ADN humain contre les attaques.\"<\/p><\/blockquote>\n

Le secret des superpouvoirs des tartigrades est leur capacit\u00e9 \u00e0 r\u00e9sister \u00e0 une d\u00e9shydratation extr\u00eame. Les tartigrades sont capables de survivre avec seulement 1% d'eau et de revenir \u00e0 la vie comme si de rien n'\u00e9tait. Selon Kunieda, les tartigrades divisent leur ADN en petits morceaux et font chuter leur activit\u00e9 vitale \u00e0 0,01%. Une fois de nouveau hydrat\u00e9, l'ADN se r\u00e9pare et leur activit\u00e9 vitale remonte \u00e0 100%.<\/p>\n

Le s\u00e9quen\u00e7age du g\u00e9nome sugg\u00e8re \u00e9galement que la plupart des g\u00e8nes des tartigrades proviennent d'autres animaux par un processus appel\u00e9 \"transfert horizontal de g\u00e8nes\". Voici une infographie r\u00e9sumant les recherches de Kunieda :<\/p>\n

\"Les<\/a><\/p>\n

 <\/p>\n

Les tartigrades peuvent ne pas sembler \u00eatre un objet d'\u00e9tude int\u00e9ressant. Cependant, lorsque vous posez la bonne question, vous pouvez d\u00e9couvrir quelque chose d'\u00e9tonnant, comme les superpouvoirs des animaux.<\/p>\n

Vous vous sentez excit\u00e9 par l'article scientifique de Kunieda ? Et bien, faites en sorte que les scientifiques soient eux aussi enthousiasm\u00e9s par vos recherches !<\/p>\n

\"Les<\/a><\/p>","protected":false},"excerpt":{"rendered":"

Les superpouvoirs des tartigrades sont un sujet d'actualit\u00e9 dans le monde entier. Cependant, alors que vous pensiez que la nature ne pouvait pas \u00eatre plus folle, elle vous surprend \u00e0 nouveau. Les tartigrades sont d\u00e9j\u00e0 connus comme les animaux les plus r\u00e9sistants sur Terre. Ils ont re\u00e7u cette \u00e9tiquette en raison de leur r\u00e9sistance aux radiations, aux hautes pressions et aux temp\u00e9ratures extr\u00eames. Ce n'est pas une surprise [...]<\/p>","protected":false},"author":11,"featured_media":6278,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"image","meta":[],"categories":[959,28],"tags":[554],"yoast_head":"\nTartigrades superpowers are real? - Mind the Graph Blog<\/title>\n<meta name=\"description\" content=\"The tartigrades superpowers are a trending topic all around the world. 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