{"id":12939,"date":"2021-05-25T15:50:33","date_gmt":"2021-05-25T18:50:33","guid":{"rendered":"https:\/\/mindthegraph.com\/blog\/?p=12939"},"modified":"2023-01-05T14:33:42","modified_gmt":"2023-01-05T17:33:42","slug":"magnetic-revolution-venus-flytrap-action-potential","status":"publish","type":"post","link":"https:\/\/mindthegraph.com\/blog\/hu\/magneses-forradalmi-venus-flytrap-akcio-potencial\/","title":{"rendered":"A m\u00e1gneses forradalom: A V\u00e9nusz l\u00e9gycsapda akci\u00f3s potenci\u00e1l"},"content":{"rendered":"

A Dionaea muscipula, k\u00f6zismert nev\u00e9n a V\u00e9nusz l\u00e9gycsapda egy h\u00fasev\u0151 n\u00f6v\u00e9ny, amely m\u00f3dos\u00edtott levelein kereszt\u00fcl csapd\u00e1ba ejti zs\u00e1km\u00e1ny\u00e1t. A hat\u00e1smechanizmus mag\u00e1ban foglalja a lev\u00e9l gyors mozg\u00e1s\u00e1t, amikor a kis zs\u00e1km\u00e1ny \u00e9rintkezik vele. Azonnal lecsuk\u00f3dik a k\u00e9s\u0151bbi em\u00e9szt\u00e9si folyamathoz. A V\u00e9nusz l\u00e9gycsapda levele \u00e9rint\u00e9s\u00e9rz\u00e9keny sz\u0151rb\u0151l vagy ravaszsz\u0151rb\u0151l \u00e1ll, amely n\u00e1trium-aktiv\u00e1lt akci\u00f3s potenci\u00e1lon kereszt\u00fcl seg\u00edti a csapd\u00e1ba ejt\u00e9st.<\/p>\n\n\n\n

\"t\u00f6bb<\/a>
A k\u00e9p forr\u00e1sa: Unsplash<\/a> a Dmitrij Makarov<\/a>.<\/figcaption><\/figure>\n\n\n\n

Az akci\u00f3s potenci\u00e1l a sejtek jel\u00e1tvitel\u00e9nek eszk\u00f6ze, amely akkor j\u00f6n l\u00e9tre, amikor a pozit\u00edv t\u00f6lt\u00e9s\u0171 ionok bel\u00e9pnek a sejtekbe, \u00e9s a sejtmembr\u00e1nban l\u00e9v\u0151 elektromos k\u00f6rnyezet gyorsan megv\u00e1ltozik, hogy el\u00e9rje a k\u00fcsz\u00f6b\u00e9rt\u00e9ket. Ez viszont elektromos jeleket k\u00fcld a m\u00e1sik sejtnek akt\u00edv v\u00e1laszreakci\u00f3ra. <\/p>\n\n\n\n

A jel olyan gyors, hogy n\u00e9h\u00e1ny m\u00e1sodpercen bel\u00fcl csapd\u00e1ba ejti a zs\u00e1km\u00e1nyt. <\/p>\n\n\n\n

A zs\u00e1km\u00e1nyt a lev\u00e9lny\u00e1lkah\u00e1rty\u00e1n tal\u00e1lhat\u00f3 mirigyek \u00e1ltal kibocs\u00e1tott enzimek em\u00e9sztik meg. A sz\u00fcks\u00e9ges t\u00e1panyagokat a n\u00f6v\u00e9ny felsz\u00edvja, hogy folytatni tudja a tev\u00e9kenys\u00e9get.<\/p>\n\n\n\n

Az ok, a megfigyel\u00e9s \u00e9s a k\u00eds\u00e9rletez\u00e9s:<\/strong><\/p>\n\n\n\n

Csak\u00fagy, mint az emberi agy felel\u0151s fesz\u00fclts\u00e9gv\u00e1ltoz\u00e1sok bizonyos r\u00e9gi\u00f3kban megjelen\u0151 elektromos aktivit\u00e1s form\u00e1j\u00e1ban akci\u00f3s potenci\u00e1lok, amelyek utaznak az idegsejteken kereszt\u00fcl. Ezeket a tev\u00e9kenys\u00e9geket olyan technik\u00e1kkal lehet megbecs\u00fclni, mint a magnetoencefalogr\u00e1fia, az elektroenkefalogr\u00e1fia \u00e9s a m\u00e1gneses rezonancia k\u00e9palkot\u00e1s, hogy elemezni lehessen a lehets\u00e9ges rendelleness\u00e9geket \u00e9s azok diagn\u00f3zis\u00e1t.<\/p>\n\n\n\n

Egy interdiszciplin\u00e1ris kutat\u00f3kb\u00f3l \u00e1ll\u00f3 csoport az emberhez hasonl\u00f3an mutatta ki a V\u00e9nusz l\u00e9gycsapda egyed\u00fcl\u00e1ll\u00f3 m\u00e1gneses aktivit\u00e1s\u00e1t az elektromos jelz\u00e9seivel \u00f6sszef\u00fcgg\u00e9sben.<\/p>\n\n\n\n

A V\u00e9nusz l\u00e9gycsapda mechanizmusa szint\u00e9n az akci\u00f3s potenci\u00e1lon alapul, amely elektromos jeleket eredm\u00e9nyez a rendszerben.<\/p>\n\n\n\n

\"Egy<\/a>
A k\u00e9p forr\u00e1sa: Unsplash<\/a> a Clint Patterson<\/a><\/figcaption><\/figure>\n\n\n\n

A V\u00e9nuszl\u00e9gycsapda akci\u00f3s potenci\u00e1lj\u00e1t h\u0151, hideg, v\u00edztartalom \u00e9s egy\u00e9b mechanikai vagy k\u00f6rnyezeti t\u00e9nyez\u0151k is kiv\u00e1lthatj\u00e1k. A kutat\u00f3k a m\u00e1gneses mez\u0151 m\u00e9r\u00e9s\u00e9hez az akci\u00f3s potenci\u00e1l kiv\u00e1lt\u00e1s\u00e1ra h\u0151t haszn\u00e1ltak, mivel \u00e9szrevett\u00e9k, hogy a h\u0151m\u00e9rs\u00e9klet befoly\u00e1solja az akci\u00f3s potenci\u00e1l amplit\u00fad\u00f3j\u00e1t.<\/p>\n\n\n\n

Atommagnetom\u00e9tereket haszn\u00e1ltak az elektromos aktivit\u00e1ssal j\u00e1r\u00f3 biom\u00e1gnesess\u00e9g m\u00e9r\u00e9s\u00e9re. A haszn\u00e1lt \u00e9rz\u00e9kel\u0151k \u00fcvegcell\u00e1k voltak, amelyeket l\u00fagos atomok g\u0151z\u00e9vel t\u00f6lt\u00f6ttek meg, amelyek reag\u00e1ltak a biomagnetikus aktivit\u00e1s v\u00e1ltoz\u00e1saira.<\/p>\n\n\n\n

A magnetom\u00e9terek m\u00e1gneses \u00e1rny\u00e9kolt k\u00f6rnyezetet ig\u00e9nyelnek a m\u00e9r\u00e9s elv\u00e9gz\u00e9s\u00e9hez. Ez egy el\u0151vigy\u00e1zatoss\u00e1gi l\u00e9p\u00e9s annak \u00e9rdek\u00e9ben, hogy csak a t\u00f6bbsejt\u0171 n\u00f6v\u00e9ny m\u00e1gneses aktivit\u00e1s\u00e1t lehessen m\u00e9rni. Ez az eszk\u00f6z nagyon hat\u00e9kony, \u00e9s el\u0151nyben r\u00e9szes\u00edti a szupravezet\u0151 kvantum interf\u00e9sz eszk\u00f6z-magnetom\u00e9tereket (SQID), mivel miniat\u00fcriz\u00e1lhat\u00f3k az adatok m\u00e9r\u00e9s\u00e9nek optim\u00e1lis t\u00e9rbeli felbont\u00e1sa \u00e9rdek\u00e9ben.<\/p>\n\n\n\n

A V\u00e9nusz l\u00e9gycsapd\u00e1j\u00e1nak a kutat\u00f3k \u00e1ltal r\u00f6gz\u00edtett m\u00e1gneses jele k\u00f6r\u00fclbel\u00fcl 0,5 pikotella amplit\u00fad\u00f3j\u00fa volt, ami j\u00f3val gyeng\u00e9bb, mint a f\u00f6ldi m\u00e1gneses mez\u0151. <\/p>\n\n\n\n

Ez arra enged k\u00f6vetkeztetni, hogy a biomagnetikus aktivit\u00e1s hasznos lehet, ami seg\u00edthet a stressz kimutat\u00e1s\u00e1nak nem invaz\u00edv technik\u00e1j\u00e1ban.<\/p>\n\n\n\n

A n\u00f6v\u00e9nytermeszt\u00e9s jav\u00edt\u00e1sa a v\u00e9gs\u0151 c\u00e9l a k\u00f6rnyezeti t\u00e9nyez\u0151k, p\u00e9ld\u00e1ul a h\u0151m\u00e9rs\u00e9klet-v\u00e1ltoz\u00e1sok, a k\u00e9miai hat\u00e1sok, valamint a n\u00f6v\u00e9nyev\u0151 vagy rovarok t\u00e1mad\u00e1sa \u00e1ltal okozott hat\u00e1sok kijav\u00edt\u00e1sa az elektrom\u00e1gneses visszacsatol\u00e1s \u00e9rz\u00e9kel\u00e9s\u00e9vel. Dics\u00e9ret a csapatnak a n\u00f6v\u00e9nyek biomagnetizmus\u00e1nak molekul\u00e1ris alapjainak megtal\u00e1l\u00e1s\u00e1\u00e9rt.<\/p>\n\n\n\n

Ha t\u00f6bbet szeretne megtudni a kutat\u00e1sukr\u00f3l, n\u00e9zze meg az al\u00e1bbi hivatkoz\u00e1st, \u00e9s ha t\u00f6bbet szeretne olvasni az akci\u00f3potenci\u00e1lr\u00f3l, kattintson az al\u00e1bbi linkre itt<\/a>.<\/p>\n\n\n\n

Fabricant, A., Iwata, G.Z., Scherzer, S. et al.<\/em> Akci\u00f3s potenci\u00e1lok induk\u00e1lj\u00e1k a biom\u00e1gneses mez\u0151ket a h\u00fasev\u0151 V\u00e9nusz l\u00e9gycsapda n\u00f6v\u00e9nyekben. Sci Rep<\/em> 11, 1438 (2021). https:\/\/doi.org\/10.1038\/s41598-021-81114-w.<\/a><\/p>\n\n\n\n

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

A Dionaea muscipula, k\u00f6zismert nev\u00e9n a V\u00e9nusz l\u00e9gycsapda egy h\u00fasev\u0151 n\u00f6v\u00e9ny, amely m\u00f3dos\u00edtott levelein kereszt\u00fcl csapd\u00e1ba ejti zs\u00e1km\u00e1ny\u00e1t. A hat\u00e1smechanizmus mag\u00e1ban foglalja a lev\u00e9l gyors mozg\u00e1s\u00e1t, amikor a kis zs\u00e1km\u00e1ny \u00e9rintkezik vele. Azonnal lecsuk\u00f3dik a k\u00e9s\u0151bbi em\u00e9szt\u00e9si folyamathoz. A V\u00e9nusz l\u00e9gycsapda levele \u00e9rint\u00e9s\u00e9rz\u00e9keny [...]<\/p>","protected":false},"author":18,"featured_media":12945,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[959,28],"tags":[554],"yoast_head":"\nThe Magnetic Revolution: The Venus Flytrap Action Potential - MTG<\/title>\n<meta name=\"description\" content=\"A group of interdisciplinary researchers exhibited the unique magnetic activity of the Venus flytrap in association with its electrical signaling.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mindthegraph.com\/blog\/hu\/magneses-forradalmi-venus-flytrap-akcio-potencial\/\" \/>\n<meta property=\"og:locale\" content=\"hu_HU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The Magnetic Revolution: The Venus Flytrap Action Potential\" \/>\n<meta property=\"og:description\" content=\"A group of interdisciplinary researchers exhibited the unique magnetic activity of the Venus flytrap in association with its electrical signaling.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/mindthegraph.com\/blog\/hu\/magneses-forradalmi-venus-flytrap-akcio-potencial\/\" \/>\n<meta property=\"og:site_name\" content=\"Mind the Graph Blog\" \/>\n<meta property=\"article:published_time\" content=\"2021-05-25T18:50:33+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-01-05T17:33:42+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2021\/05\/post-the-magnetic-revolution-facebook.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"628\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Bruna Soldera\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"The Magnetic Revolution: The Venus Flytrap Action Potential\" \/>\n<meta name=\"twitter:image\" content=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2021\/05\/post-the-magnetic-revolution-twitter.jpg\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Bruna Soldera\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"The Magnetic Revolution: The Venus Flytrap Action Potential - 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