{"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\/fi\/magnetic-revolution-venus-flytrap-action-potential\/","title":{"rendered":"Magneettinen vallankumous: Venus Flytrap toimintapotentiaali"},"content":{"rendered":"<p>Dionaea muscipula, joka tunnetaan yleisesti nimell\u00e4 Venus Flytrap, on lihansy\u00f6j\u00e4kasvi, joka vangitsee saaliinsa muokattujen lehtien avulla. Toimintamekanismiin kuuluu lehden nopea liike, kun pieni saalis joutuu kosketuksiin sen kanssa. Se sulkeutuu v\u00e4litt\u00f6m\u00e4sti my\u00f6hemp\u00e4\u00e4 ruoansulatusprosessia varten. Venusk\u00e4rp\u00e4sloukun lehdiss\u00e4 on kosketusherkki\u00e4 karvoja tai laukaisukarvoja, jotka auttavat ansan asettamisessa natrium-aktivoituneen toimintapotentiaalin avulla.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2021\/05\/dmitry-makarov-etgw2rvszii-unsplash.jpg\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"683\" src=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2021\/05\/dmitry-makarov-etgw2rvszii-unsplash-1024x683.jpg\" alt=\"useita pieni\u00e4 Venus Flytrap ruukkujen sis\u00e4ll\u00e4\" class=\"wp-image-12943\" srcset=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2021\/05\/dmitry-makarov-etgw2rvszii-unsplash-1024x683.jpg 1024w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2021\/05\/dmitry-makarov-etgw2rvszii-unsplash-300x200.jpg 300w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2021\/05\/dmitry-makarov-etgw2rvszii-unsplash-768x512.jpg 768w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2021\/05\/dmitry-makarov-etgw2rvszii-unsplash-1536x1024.jpg 1536w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2021\/05\/dmitry-makarov-etgw2rvszii-unsplash-2048x1365.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\">Kuval\u00e4hde: Kuvan l\u00e4hde: <a href=\"https:\/\/unsplash.com\/photos\/etgW2RVSzII\">Unsplash<\/a> by <a href=\"https:\/\/unsplash.com\/@dmasia\">Dmitri Makarov<\/a>.<\/figcaption><\/figure>\n\n\n\n<p>Toimintapotentiaali on solun viestinv\u00e4lityskeino, joka tapahtuu, kun positiivisesti varautuneet ionit p\u00e4\u00e4sev\u00e4t soluihin, jolloin solukalvon s\u00e4hk\u00f6inen ymp\u00e4rist\u00f6 muuttuu nopeasti ja saavuttaa kynnysarvon. T\u00e4m\u00e4 puolestaan l\u00e4hett\u00e4\u00e4 s\u00e4hk\u00f6isi\u00e4 signaaleja toiselle solulle aktiivista vastetta varten. <\/p>\n\n\n\n<p class=\"has-large-font-size\">Signaali on niin nopea, ett\u00e4 se vangitsee saaliin muutamassa sekunnissa. <\/p>\n\n\n\n<p>Saalis sulatetaan lehden sis\u00e4pinnalla olevien rauhasten vapauttamien entsyymien avulla. Kasvi imee itseens\u00e4 tarvittavat ravinteet jatkaakseen toimintaansa.<\/p>\n\n\n\n<p class=\"has-large-font-size\"><strong>Syy, havainnointi ja kokeilu:<\/strong><\/p>\n\n\n\n<p>Aivan kuten ihmisen aivot, jotka ovat vastuussa j\u00e4nnitemuutoksista tietyill\u00e4 alueilla, jotka ilmenev\u00e4t s\u00e4hk\u00f6isen\u00e4 aktiivisuutena toimintapotentiaalien muodossa, jotka kulkevat hermosolujen l\u00e4pi. N\u00e4it\u00e4 toimintoja voidaan arvioida k\u00e4ytt\u00e4m\u00e4ll\u00e4 tekniikoita, kuten magnetoenkefalografiaa, elektroenkefalografiaa ja magneettikuvausta, mahdollisten h\u00e4iri\u00f6iden analysoimiseksi ja niiden diagnosoimiseksi.<\/p>\n\n\n\n<p>Ryhm\u00e4 monitieteisi\u00e4 tutkijoita osoitti Venus flytrapin ainutlaatuisen magneettisen aktiivisuuden yhdess\u00e4 sen s\u00e4hk\u00f6isen signaloinnin kanssa samalla tavalla kuin ihmisill\u00e4.<\/p>\n\n\n\n<p class=\"has-large-font-size\">Venus flytrap -mekanismi perustuu my\u00f6s toimintapotentiaaliin, joka johtaa s\u00e4hk\u00f6isiin signaaleihin j\u00e4rjestelm\u00e4ss\u00e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2021\/05\/clint-patterson-knxuakproxs-unsplash.jpg\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"682\" src=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2021\/05\/clint-patterson-knxuakproxs-unsplash-1024x682.jpg\" alt=\"Johdonpuristin, hiukkasen IOT-laite, magneettinen reed-kytkin, kannettava tietokone ja hyppyjohdot esineiden internetiin kytketyn projektin alussa.\" class=\"wp-image-12944\" srcset=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2021\/05\/clint-patterson-knxuakproxs-unsplash-1024x682.jpg 1024w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2021\/05\/clint-patterson-knxuakproxs-unsplash-300x200.jpg 300w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2021\/05\/clint-patterson-knxuakproxs-unsplash-768x512.jpg 768w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2021\/05\/clint-patterson-knxuakproxs-unsplash-1536x1023.jpg 1536w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2021\/05\/clint-patterson-knxuakproxs-unsplash-2048x1364.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\">Kuval\u00e4hde: Kuvan l\u00e4hde: <a href=\"https:\/\/unsplash.com\/photos\/knxuAKpRoxs\">Unsplash<\/a> by <a href=\"https:\/\/unsplash.com\/@cbpsc1\">Clint Patterson<\/a><\/figcaption><\/figure>\n\n\n\n<p>Venus Flytrapin toimintapotentiaali voi k\u00e4ynnisty\u00e4 l\u00e4mm\u00f6n, kylm\u00e4n, vesipitoisuuden ja muiden mekaanisten tai ymp\u00e4rist\u00f6tekij\u00f6iden vaikutuksesta. Tutkijat k\u00e4yttiv\u00e4t l\u00e4mp\u00f6\u00e4 toimintapotentiaalin indusoimiseen magneettikent\u00e4n mittaamiseksi, koska he huomasivat, ett\u00e4 l\u00e4mp\u00f6tila vaikutti toimintapotentiaalin amplitudiin.<\/p>\n\n\n\n<p>He k\u00e4yttiv\u00e4t atomimagneettimittareita mittaamaan s\u00e4hk\u00f6iseen aktiivisuuteen liittyv\u00e4\u00e4 biomagnetismia. Antureina k\u00e4ytettiin lasikennoja, jotka oli t\u00e4ytetty alkaliatomien h\u00f6yryill\u00e4, jotka reagoivat biomagneettisen aktiivisuuden muutoksiin.<\/p>\n\n\n\n<p>Magnetometrit vaativat mittauksen suorittamiseen magneettisesti suojatun ymp\u00e4rist\u00f6n. T\u00e4m\u00e4 on varotoimenpide, jotta monisoluisen kasvin magneettista aktiivisuutta voidaan mitata. T\u00e4m\u00e4 ty\u00f6kalu on eritt\u00e4in tehokas ja parempi kuin suprajohtavat kvanttiliit\u00e4nt\u00e4laitteiden magnetometrit (SQID), koska niit\u00e4 voidaan pienent\u00e4\u00e4 optimaalisen alueellisen resoluution saavuttamiseksi mittaustietojen mittaamiseksi.<\/p>\n\n\n\n<p>Tutkijat tallensivat Venuksen k\u00e4rp\u00e4sloukun magneettisen signaalin, jonka amplitudi oli noin 0,5 pikoteslaa, mik\u00e4 on paljon heikompi kuin maan magneettikentt\u00e4. <\/p>\n\n\n\n<p class=\"has-large-font-size\">T\u00e4st\u00e4 voidaan p\u00e4\u00e4tell\u00e4 biomagneettisen aktiivisuuden hy\u00f6dyllisyys, joka voisi auttaa ei-invasiivisessa tekniikassa stressin havaitsemiseksi.<\/p>\n\n\n\n<p>Viljelykasvien parantaminen on perimm\u00e4inen tavoite korjata ymp\u00e4rist\u00f6tekij\u00f6iden, kuten l\u00e4mp\u00f6tilan muutosten, kemiallisten vaikutusten ja my\u00f6s kasvinsy\u00f6jien tai hy\u00f6nteisten hy\u00f6kk\u00e4ysten aiheuttamat vaikutukset havaitsemalla s\u00e4hk\u00f6magneettinen palaute. Kiitokset ryhm\u00e4lle siit\u00e4, ett\u00e4 se on l\u00f6yt\u00e4nyt kasvien biomagnetismin molekyyliperustan.<\/p>\n\n\n\n<p>Jos haluat tiet\u00e4\u00e4 lis\u00e4\u00e4 heid\u00e4n tutkimuksestaan, tutustu alla olevaan viitteeseen, ja jos haluat lukea lis\u00e4\u00e4 toimintapotentiaalista, klikkaa <a href=\"https:\/\/mindthegraph.com\/blog\/nerve-impulses-the-action-potential\/\">t\u00e4\u00e4ll\u00e4<\/a>.<\/p>\n\n\n\n<p><a href=\"https:\/\/doi.org\/10.1038\/s41598-021-81114-w\">Fabricant, A., Iwata, G.Z., Scherzer, S. <em>et al.<\/em> Toimintapotentiaalit aiheuttavat biomagneettisia kentti\u00e4 lihansy\u00f6j\u00e4kasveissa. <em>Sci Rep<\/em> 11, 1438 (2021). https:\/\/doi.org\/10.1038\/s41598-021-81114-w.<\/a><\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>Dionaea muscipula, joka tunnetaan yleisesti nimell\u00e4 Venus Flytrap, on lihansy\u00f6j\u00e4kasvi, joka vangitsee saaliinsa muokattujen lehtien avulla. Toimintamekanismiin kuuluu lehden nopea liike, kun pieni saalis joutuu kosketuksiin sen kanssa. Se sulkeutuu v\u00e4litt\u00f6m\u00e4sti my\u00f6hemp\u00e4\u00e4 ruoansulatusprosessia varten. Venusk\u00e4rp\u00e4sloukun lehti koostuu kosketusherkist\u00e4 [...].<\/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":"<!-- This site is optimized with the Yoast SEO plugin v19.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>The 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\/fi\/magnetic-revolution-venus-flytrap-action-potential\/\" \/>\n<meta property=\"og:locale\" content=\"fi_FI\" \/>\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\/fi\/magnetic-revolution-venus-flytrap-action-potential\/\" \/>\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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