{"id":644,"date":"2020-03-12T16:10:04","date_gmt":"2020-03-12T15:10:04","guid":{"rendered":"https:\/\/plant-intelligence.com\/?page_id=644"},"modified":"2020-03-12T16:10:06","modified_gmt":"2020-03-12T15:10:06","slug":"la-plante-et-la-memoire","status":"publish","type":"page","link":"https:\/\/plant-intelligence.com\/index.php\/decouvertes\/la-plante-et-la-memoire\/","title":{"rendered":"La plante et la m\u00e9moire"},"content":{"rendered":"\n<p><strong>Les plantes poss\u00e8dent la\ncapacit\u00e9 \u00e0 retenir des \u00e9v\u00e8nements pass\u00e9s et \u00e0 remobiliser ces informations plus\ntard. Ex&nbsp;: Les plans de tabac se souviennent de la couleur du dernier\nrayon de lumi\u00e8re vu. Les saules savent si leurs voisins ont \u00e9t\u00e9 attaqu\u00e9s par\ndes chenilles. Il s\u2019agit \u00e0 ce stade d\u2019une m\u00e9moire proc\u00e9durale.<\/strong><\/p>\n\n\n\n<p><em>Quelques Exp\u00e9riences sur ce\nsujet&nbsp;: <\/em><\/p>\n\n\n\n<p><strong>Exp\u00e9rience Jaffe en 1977 sur la m\u00e9moire de la vrille des pois <\/strong>et l\u2019enroulement autour du doigt.<\/p>\n\n\n\n<p><strong>Exp\u00e9rience Hodick et Sievers de l\u2019Universit\u00e9 de Bonn et Volkov de l\u2019universit\u00e9 d\u2019Oakwood sur la m\u00e9moire \u00e0 court terme de la dion\u00e9e attrape-mouche<\/strong>. La dion\u00e9e ne referme ses feuilles que lorsque la mouche y est rest\u00e9e 20 secondes et a touch\u00e9 deux de ses poils. L\u2019information est stock\u00e9e dans la charge \u00e9lectrique de la feuille. A contrario, une drogue inocul\u00e9e \u00e0 la plante annihile sa m\u00e9moire.<\/p>\n\n\n\n<p><strong>Exp\u00e9rience de Dostal sur les plans de lin et et Thellier de l\u2019Universit\u00e9 de Rouen sur l\u2019herbe \u00e0 aiguilles et la m\u00e9moire \u00e0 long terme du trauma<\/strong>. La croissance des bourgeons est modifi\u00e9e apr\u00e8s le traumatisme inflig\u00e9 et le souvenir du traumatisme dure plusieurs semaines.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"alignright size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"290\" height=\"402\" src=\"https:\/\/plant-intelligence.com\/wp-content\/uploads\/2020\/03\/290px-Arabidopsis_thaliana-Copie.jpg\" alt=\"\" class=\"wp-image-675\" srcset=\"https:\/\/plant-intelligence.com\/wp-content\/uploads\/2020\/03\/290px-Arabidopsis_thaliana-Copie.jpg 290w, https:\/\/plant-intelligence.com\/wp-content\/uploads\/2020\/03\/290px-Arabidopsis_thaliana-Copie-216x300.jpg 216w\" sizes=\"(max-width: 290px) 100vw, 290px\" \/><\/figure><\/div>\n\n\n\n<p><strong>Exp\u00e9rience Lyssenko sur le bl\u00e9 et le grand froid et sur l\u2019arabette des dames.<\/strong> Il y a une m\u00e9moire de l\u2019hiver. Car il faut une dur\u00e9e minimale de grands froids et une dur\u00e9e minimale du jour et une temp\u00e9rature ad\u00e9quate pour lancer la nouvelle croissance au printemps. La donn\u00e9e sur le froid est stock\u00e9e et conditionne la possibilit\u00e9 de croissance si les autres donn\u00e9es temp\u00e9rature et jour sont r\u00e9unies. Cette m\u00e9moire est li\u00e9e au fonctionnement des g\u00e8nes et des m\u00e9canismes \u00e9pig\u00e9n\u00e9tiques.<\/p>\n\n\n\n<p><strong>Exp\u00e9rience Hohn 2006 au laboratoire de B\u00e2le sur l\u2019arabette et la m\u00e9moire transmise sur plusieurs g\u00e9n\u00e9rations<\/strong>. Une attaque de pathog\u00e8nes ou des rayons ultraviolets entraine un stress qui lui-m\u00eame g\u00e9n\u00e8re une nouvelle combinaison d\u2019ADN chez la plante. Cette nouvelle combinaison est transmise \u00e0 la descendance. Des \u00e9tudes sont en cours.<\/p>\n\n\n\n<p><strong>Exp\u00e9rience similaire de Kovalchuk sur les effets du stress avec le sel et la chaleur et Jander de l\u2019universit\u00e9 de Cornell sur Arabidopsis<\/strong>. Les modifications g\u00e9n\u00e9tiques, \u00e9pig\u00e9n\u00e9tiques et de l\u2019ARN constat\u00e9es sur plusieurs g\u00e9n\u00e9rations ont aussi am\u00e9lior\u00e9 la r\u00e9sistance aux diff\u00e9rents stress. <\/p>\n\n\n\n<p><strong>Exp\u00e9rience r\u00e9cente de l\u2019universit\u00e9 de New York. Les plantes communiquent via des courants \u00e9lectriques mais sont \u00e9galement \u00e9quip\u00e9es de prot\u00e9ines<\/strong> connues chez les animaux et l\u2019homme comme des neuror\u00e9cepteurs et utilis\u00e9es pour le souvenir et l\u2019apprentissage. Ainsi l\u2019arabette est sensible aux drogues neuroactives qui annihilent l\u2019action chez l\u2019homme de ces neuror\u00e9cepteurs.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Les plantes poss\u00e8dent la capacit\u00e9 \u00e0 retenir des \u00e9v\u00e8nements pass\u00e9s et \u00e0 remobiliser ces informations plus tard. Ex&nbsp;: Les plans de tabac se souviennent de la couleur du dernier rayon de lumi\u00e8re vu. Les&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":64,"menu_order":-1,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-644","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>La plante et la m\u00e9moire - Plant Intelligence<\/title>\n<meta name=\"description\" content=\"Les plantes sont dot\u00e9es de m\u00e9moire. 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