{"id":713,"date":"2012-07-11T07:56:00","date_gmt":"2012-07-11T05:56:00","guid":{"rendered":"https:\/\/kids.esa.int\/the_wonder_of_weightless_worms\/"},"modified":"2026-10-08T00:31:27","modified_gmt":"2026-10-07T22:31:27","slug":"the_wonder_of_weightless_worms","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/hu\/the_wonder_of_weightless_worms\/","title":{"rendered":"A s\u00falytalans\u00e1g csod\u00e1ja a giliszt\u00e1kn\u00e1l"},"content":{"rendered":"<div class=\"lede\">\n<p>Sz\u00e1mos k\u00fcl\u00f6nb\u00f6z\u0151 \u00e9l\u0151l\u00e9ny csatlakozott az \u0171rhaj\u00f3sokhoz az \u0171rben. Az emberekhez hasonl\u00f3an a legt\u00f6bbj\u00fcknek neh\u00e9zs\u00e9get okoz a s\u00falytalans\u00e1ghoz val\u00f3 alkalmazkod\u00e1s. Egy kiv\u00e9telt jelent egy apr\u00f3 f\u00e9reg, a C. elegans, amely \u00fagy t\u0171nik, hogy a p\u00e1ly\u00e1n jobban boldogul, mint a F\u00f6ld\u00f6n.<\/p>\n<\/div>\n<p>Amikor Andr\u00e9 Kuipers, az ESA \u0171rhaj\u00f3sa 2004-ben el\u0151sz\u00f6r utazott a Nemzetk\u00f6zi \u0170r\u00e1llom\u00e1sra (ISS), a C. elegans-t v\u00e1lasztott\u00e1k ki, hogy vele utazzon. A mikroszkopikus f\u00e9rgeket az\u00e9rt v\u00e1lasztott\u00e1k ki, mert \u0151k voltak az els\u0151 \u00f6sszetett \u00e9l\u0151l\u00e9nyek, amelyeknek az \u00f6sszes g\u00e9nj\u00e9t (a testsejtek \u00e9p\u00edt\u0151elemeit) felt\u00e9rk\u00e9pezt\u00e9k.<\/p>\n<p>Ezt k\u00f6vet\u0151en a tud\u00f3sok meg\u00e1llap\u00edtott\u00e1k, hogy a f\u00e9rgek h\u00e9t g\u00e9nje kev\u00e9sb\u00e9 volt akt\u00edv az \u0171rben. Meglep\u0151 m\u00f3don \u00fagy t\u0171nt, hogy a f\u00e9rgek ezek n\u00e9lk\u00fcl jobban m\u0171k\u00f6dtek. Az eredm\u00e9nyek arra utaltak, hogy izmaik alkalmazkodtak az \u0171r k\u00f6r\u00fclm\u00e9nyeihez. Lehets\u00e9ges, hogy az \u0171rrep\u00fcl\u00e9s lass\u00edthatja az izmok \u00f6reged\u00e9s\u00e9nek folyamat\u00e1t?<\/p>\n<figure class=\"wp-block-image size-natural\" data-width=\"397\" data-credit=\"Wormatlas\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2004\/02\/I_C._elegans_I\" data-licence=\"ESA Standard Licence\" data-licence-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Terms_and_conditions_of_use_of_images_and_videos_available_on_the_esa_website\"><img decoding=\"async\" loading=\"lazy\" style=\"max-width:100%;height:auto\" src=\"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2004\/02\/i_c._elegans_i\/17904194-2-eng-GB\/I_C._elegans_I.jpg\" alt=\"I&gt;C. elegans\/I&gt;\"><figcaption><i>C. elegans<\/i><\/figcaption><\/figure>\n<p>A laborat\u00f3riumi k\u00eds\u00e9rletek meger\u0151s\u00edtett\u00e9k, hogy a h\u00e9t g\u00e9n n\u00e9lk\u00fcl nevelt egy\u00e9b f\u00e9rgek is hosszabb \u00e9s eg\u00e9szs\u00e9gesebb \u00e9letet \u00e9ltek. Mivel az emberek g\u00e9njeinek k\u00f6r\u00fclbel\u00fcl 55%-je megegyezik a C. elegans g\u00e9njeivel, a k\u00f6vetkez\u0151 l\u00e9p\u00e9s annak kider\u00edt\u00e9se volt, hogy az emberi izom hogyan reag\u00e1l az \u0171rrep\u00fcl\u00e9sre.<\/p>\n<p>Az ISS-en t\u00f6lt\u00f6tt m\u00e1sodik k\u00fcldet\u00e9se sor\u00e1n, amely j\u00falius 1-j\u00e9n \u00e9rt v\u00e9get, Andr\u00e9 tov\u00e1bbi f\u00e9rgeket vitt mag\u00e1val egy k\u00e9s\u0151bbi tanulm\u00e1nyhoz. Ez\u00fattal azonban az \u0171rhaj\u00f3st is vizsg\u00e1lt\u00e1k. A k\u00fcldet\u00e9s megkezd\u00e9se el\u0151tt az egyik l\u00e1b\u00e1b\u00f3l elt\u00e1vol\u00edtottak egy kis izomdarabot, amelyet elemz\u00e9s c\u00e9lj\u00e1b\u00f3l meg\u0151riztek. A tud\u00f3sok most alig v\u00e1rj\u00e1k, hogy kider\u00edts\u00e9k, hogyan viszonyul ez a minta azokhoz az izmokhoz, amelyek hat h\u00f3napot t\u00f6lt\u00f6ttek s\u00falytalans\u00e1gban. A f\u00e9rgekkel ellent\u00e9tben azonban Andr\u00e9nek n\u00e9h\u00e1ny hetet adnak, hogy fel\u00e9p\u00fclj\u00f6n a f\u00e1raszt\u00f3 utaz\u00e1sb\u00f3l, miel\u0151tt izmait mikroszk\u00f3p al\u00e1 venn\u00e9k.<\/p>","protected":false},"excerpt":{"rendered":"<p>Many different creatures have joined astronauts in space. Like people, most of them find it hard to adapt to weightlessness. One exception is a tiny worm, known as C. elegans, [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"esa_banner_image":"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2012\/07\/nematode_worm2\/17911232-2-eng-GB\/Nematode_worm.gif","esa_banner_description":"Nematode worm","esa_banner_credit":"Creative Commons ShareAlike license\u2013B. Goldstein","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2012\/07\/Nematode_worm2","esa_external_url":"","esa_external_new_window":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":true},"categories":[10,13,63],"tags":[],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-713","post","type-post","status-publish","format-standard","hentry","category-learn","category-life-in-space","category-living-in-space"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/713","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/comments?post=713"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/713\/revisions"}],"predecessor-version":[{"id":4643,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/713\/revisions\/4643"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/media?parent=713"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/categories?post=713"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/tags?post=713"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/panel?post=713"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/language?post=713"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/age?post=713"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/duration?post=713"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/resource_type?post=713"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/audience?post=713"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/wf_post_folders?post=713"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}