{"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\/nb\/magnetisk-revolusjon-venus-fluefanger-virkningspotensial\/","title":{"rendered":"Den magnetiske revolusjonen: Venusfluefangerens aksjonspotensial"},"content":{"rendered":"

Dionaea muscipula, popul\u00e6rt kalt Venusfluefanger, er en kj\u00f8ttetende plante som fanger byttet sitt ved hjelp av modifiserte blader. Virkningsmekanismen er at bladet beveger seg raskt n\u00e5r det lille byttet kommer i kontakt med det. Det lukker seg umiddelbart for en senere ford\u00f8yelsesprosess. Venusfluefangerens blad best\u00e5r av ber\u00f8ringsf\u00f8lsomme h\u00e5r eller utl\u00f8serh\u00e5r som hjelper til med \u00e5 signalisere fangst gjennom natriumaktiverte aksjonspotensialer.<\/p>\n\n\n\n

\"flere<\/a>
Bildekilde: Unsplash<\/a> av Dmitrij Makarov<\/a>.<\/figcaption><\/figure>\n\n\n\n

The action potential is a means of cell signaling that takes place when the positively charged ions enter the cells causing an electrical environment in the cell membrane to rapidly change to reach the threshold limit. This in turn sends electrical signals to the other cell for an active response. <\/p>\n\n\n\n

Signalet er s\u00e5 raskt at det fanger byttet i l\u00f8pet av noen f\u00e5 sekunder. <\/p>\n\n\n\n

Byttet ford\u00f8yes av enzymer som frigj\u00f8res av kjertler p\u00e5 bladets slimhinne. De n\u00f8dvendige n\u00e6ringsstoffene absorberes av planten for \u00e5 kunne fortsette handlingen.<\/p>\n\n\n\n

\u00c5rsaken er observasjon og eksperimentering:<\/strong><\/p>\n\n\n\n

Just like the human brain responsible for voltage changes in particular regions emerging as electrical activity in the form of action potentials that travel through nerve cells. These activities can be estimated using techniques like magnetoencephalography, electroencephalography, and magnetic resonance imaging to analyze potential disorders and their diagnosis.<\/p>\n\n\n\n

En gruppe tverrfaglige forskere har utstilt Venusfluefangerens unike magnetiske aktivitet i forbindelse med dens elektriske signalering p\u00e5 samme m\u00e5te som hos mennesker.<\/p>\n\n\n\n

Venusfluefangermekanismen er ogs\u00e5 basert p\u00e5 aksjonspotensialet som resulterer i elektriske signaler i systemet.<\/p>\n\n\n\n

\"En<\/a>
Bildekilde: Unsplash<\/a> av Clint Patterson<\/a><\/figcaption><\/figure>\n\n\n\n

Venusfluefangerens aksjonspotensial kan utl\u00f8ses av varme, kulde, vanninnhold og andre mekaniske eller milj\u00f8messige faktorer. Forskerne brukte varme til \u00e5 indusere aksjonspotensialet for \u00e5 m\u00e5le magnetfeltet siden de la merke til at temperaturen p\u00e5virket amplituden til aksjonspotensialet.<\/p>\n\n\n\n

De brukte atommagnetometre til \u00e5 m\u00e5le biomagnetismen knyttet til elektrisk aktivitet. Sensorene som ble brukt, var glassceller som var fylt med damp av alkaliatomer som reagerte p\u00e5 endringer i den biomagnetiske aktiviteten.<\/p>\n\n\n\n

Magnetometrene krever et magnetisk skjermet milj\u00f8 for \u00e5 kunne utf\u00f8re m\u00e5lingene. Dette er en sikkerhetsforanstaltning for \u00e5 kunne m\u00e5le den magnetiske aktiviteten til den flercellede planten. Dette verkt\u00f8yet er sv\u00e6rt effektivt og foretrekkes fremfor supraledende kvantegrensesnittmagnetometre (SQID) siden de kan miniatyriseres for \u00e5 oppn\u00e5 optimal romlig oppl\u00f8sning for m\u00e5ling av data.<\/p>\n\n\n\n

Det magnetiske signalet som forskerne registrerte fra Venus' fluefanger, hadde en amplitude p\u00e5 omtrent 0,5 pikotesla, noe som er langt svakere enn jordens magnetfelt. <\/p>\n\n\n\n

Dette kan konkludere med at biomagnetisk aktivitet kan v\u00e6re nyttig som en ikke-invasiv teknikk for deteksjon av stress.<\/p>\n\n\n\n

Crop improvement is the ultimate goal for fixing the effects caused due to environmental factors such as temperature changes, chemical action, and also the herbivorous or insect attack by detection of the electromagnetic feedback. Kudos to the team on the finding of the molecular basis of biomagnetism in plants.<\/p>\n\n\n\n

To know more about their research, check out the reference given below, and to read more about the action potential click her<\/a>.<\/p>\n\n\n\n

Fabricant, A., Iwata, G.Z., Scherzer, S. et al.<\/em> Handlingspotensialer induserer biomagnetiske felt i kj\u00f8ttetende Venusfluefangerplanter. 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":"

Dionaea muscipula, popul\u00e6rt kalt Venusfluefanger, er en kj\u00f8ttetende plante som fanger byttet sitt ved hjelp av modifiserte blader. Virkningsmekanismen er at bladet beveger seg raskt n\u00e5r det lille byttet kommer i kontakt med det. Det lukker seg umiddelbart for en senere ford\u00f8yelsesprosess. Venusfluefangerens blad best\u00e5r av ber\u00f8ringsf\u00f8lsomme [...].<\/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\/nb\/magnetisk-revolusjon-venus-fluefanger-virkningspotensial\/\" \/>\n<meta property=\"og:locale\" content=\"nb_NO\" \/>\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\/nb\/magnetisk-revolusjon-venus-fluefanger-virkningspotensial\/\" \/>\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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