{"id":49751,"date":"2021-03-19T22:30:00","date_gmt":"2021-03-19T20:30:00","guid":{"rendered":"http:\/\/life.karpat.in.ua\/?p=49751"},"modified":"2021-03-19T21:29:16","modified_gmt":"2021-03-19T19:29:16","slug":"ismeretlen-organizmusokat-talaltak-a-iss-en","status":"publish","type":"post","link":"https:\/\/life.karpat.in.ua\/?p=49751&lang=hu","title":{"rendered":"Ismeretlen organizmusokat tal\u00e1ltak a ISS-en"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>Amerikai \u00e9s indiai kutat\u00f3k a NASA-val egy\u00fcttm\u0171k\u00f6dve n\u00e9gy k\u00fcl\u00f6nb\u00f6z\u0151 bakt\u00e9riumt\u00f6rzset fedeztek fel a Nemzetk\u00f6zi \u0170r\u00e1llom\u00e1son (ISS). Az azonos\u00edtott mikrob\u00e1k k\u00f6z\u00fcl h\u00e1rom t\u00f6rzs eddig teljesen ismeretlen volt a tudom\u00e1ny sz\u00e1m\u00e1ra.<\/strong><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"533\" src=\"http:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/03\/iss-1.jpg\" alt=\"\" class=\"wp-image-49752\" srcset=\"https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/03\/iss-1.jpg 800w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/03\/iss-1-300x200.jpg 300w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/03\/iss-1-768x512.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">A n\u00e9gy t\u00f6rzs k\u00f6z\u00fcl h\u00e1rmat 2015-ben \u00e9s 2016-ban izol\u00e1ltak \u2013 az els\u0151t az ISS kutat\u00f3\u00e1llom\u00e1s\u00e1nak k\u00fcls\u0151 panelj\u00e9n, a m\u00e1sodikat a Kupola modulban, a harmadikat az eb\u00e9dl\u0151asztalon fedezt\u00e9k fel. A negyedik t\u00f6rzset azonos\u00edtott\u00e1k legkor\u00e1bban, egy F\u00f6ldre visszajuttatott HEPA sz\u0171r\u0151n telepedett meg m\u00e9g 2011-ben.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A bakt\u00e9riumfajok mindegyike megtal\u00e1lhat\u00f3 a talajban \u00e9s az \u00e9desv\u00edzben. Feladataik v\u00e1ltozatosak: nitrog\u00e9nk\u00f6t\u0151k, seg\u00edtik a n\u00f6v\u00e9nyek n\u00f6veked\u00e9s\u00e9t, v\u00e9dik \u0151ket a k\u00f3rokoz\u00f3kt\u00f3l.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00d6sszess\u00e9g\u00e9ben a hasznos mikrob\u00e1k k\u00f6z\u00e9 tartoznak.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sokakban felmer\u00fclhet a k\u00e9rd\u00e9s, mik\u00e9nt jut egy f\u00f6ldi bakt\u00e9rium az ISS-re. Az \u0171r\u00e1llom\u00e1son az ott dolgoz\u00f3k m\u00e1r egy ideje k\u00eds\u00e9rleteznek n\u00f6v\u00e9nytermeszt\u00e9ssel, \u00edgy nem meglep\u0151, ha a n\u00f6v\u00e9nyekkel szoros kapcsolatot \u00e1pol\u00f3 mikroorganizmusok is megjelennek a fed\u00e9lzeten.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Seg\u00edthetik a n\u00f6v\u00e9nytermeszt\u00e9st az \u0171rben<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A HEPA sz\u0171r\u0151n tal\u00e1lt bakt\u00e9rium a Methylorubrum rhodesianum fajba tartozik, a m\u00e1sik h\u00e1rom t\u00f6rzs azonban eddig ismeretlen volt a szakemberek el\u0151tt. A most felfedezett t\u00f6rzseket egy \u00faj rendszertani csoportba, a Methylobacterium ajmalii fajba sorolt\u00e1k.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201eAhhoz, hogy az er\u0151forr\u00e1sokban szeg\u00e9ny, extr\u00e9m helyeken n\u00f6v\u00e9nyeket termessz\u00fcnk, l\u00e9tfontoss\u00e1g\u00fa a n\u00f6veked\u00e9st serkent\u0151 \u00faj mikrob\u00e1k azonos\u00edt\u00e1sa\u201d \u2013 \u00edrj\u00e1k a szak\u00e9rt\u0151k a kiadott k\u00f6zlem\u00e9nyben, \u00e9rz\u00e9keltetve, hogy az \u00faj eredm\u00e9nyek ak\u00e1r a marsi n\u00f6v\u00e9nytermeszt\u00e9st is seg\u00edthetik egy esetleges emberes exped\u00edci\u00f3 sor\u00e1n. A tud\u00f3sok a t\u00f6rzseket genetikailag is elemzik, hogy megtal\u00e1lhass\u00e1k azokat a g\u00e9neket, amik a n\u00f6v\u00e9nyek n\u00f6veked\u00e9s\u00e9t seg\u00edthetik.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"415\" src=\"http:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/03\/ismeretlen-mikroorganizmus.jpg\" alt=\"\" class=\"wp-image-49753\" srcset=\"https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/03\/ismeretlen-mikroorganizmus.jpg 1024w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/03\/ismeretlen-mikroorganizmus-300x122.jpg 300w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/03\/ismeretlen-mikroorganizmus-768x311.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Az egyik t\u00f6rzs \u2013 az IF7SW-B2T \u2013 eset\u00e9ben m\u00e1r felfedeztek egy olyan g\u00e9nt, ami egy enzim termel\u00e9s\u00e9vel fokozza a sejtoszt\u00f3d\u00e1st a gy\u00f6kerekben \u00e9s a hajt\u00e1sokban.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">K\u00f6nnyen elk\u00e9pzelhet\u0151, hogy a kutat\u00f3k r\u00f6videsen \u00fajabb mikroorganizmusokat azonos\u00edtanak az \u0171r\u00e1llom\u00e1son, a k\u00f6zelj\u00f6v\u0151ben ugyanis k\u00f6zel 1000, az ISS-r\u0151l sz\u00e1rmaz\u00f3 mint\u00e1t fognak megvizsg\u00e1lni.<\/p>\n\n\n\n<p class=\"has-text-align-right wp-block-paragraph\"><strong><a href=\"https:\/\/www.origo.hu\/tudomany\/20210316-ismeretlen-organizmusokat-talaltak-a-nemzetkozi-urallomason-amerikai-es-indiai-kutatok.html\" target=\"_blank\" rel=\"noreferrer noopener\">(origo.hu)<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Amerikai \u00e9s indiai kutat\u00f3k a NASA-val egy\u00fcttm\u0171k\u00f6dve n\u00e9gy k\u00fcl\u00f6nb\u00f6z\u0151 bakt\u00e9riumt\u00f6rzset fedeztek fel a Nemzetk\u00f6zi \u0170r\u00e1llom\u00e1son (ISS). Az azonos\u00edtott mikrob\u00e1k k\u00f6z\u00fcl h\u00e1rom t\u00f6rzs eddig teljesen ismeretlen volt a tudom\u00e1ny sz\u00e1m\u00e1ra.<\/p>\n","protected":false},"author":12,"featured_media":49753,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41,596,11,598,39],"tags":[42174,42173],"class_list":["post-49751","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cikkek","category-erdekes","category-kiemelt-tema","category-tudomany","category-vilag","tag-ismeretlen-organizmusok","tag-nemzetkozi-urallomason-iss"],"_links":{"self":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/49751","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/users\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=49751"}],"version-history":[{"count":0,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/49751\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/media\/49753"}],"wp:attachment":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=49751"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=49751"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=49751"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}