{"id":3696,"date":"2017-08-09T19:23:21","date_gmt":"2017-08-09T18:23:21","guid":{"rendered":"http:\/\/www.automatic-security.info\/?p=3696"},"modified":"2017-08-08T19:25:10","modified_gmt":"2017-08-08T18:25:10","slug":"rekonstrualtak-a-vilag-elso-viragat","status":"publish","type":"post","link":"https:\/\/www.automatic-security.info\/?p=3696","title":{"rendered":"Rekonstru\u00e1lt\u00e1k a vil\u00e1g els\u0151 vir\u00e1g\u00e1t"},"content":{"rendered":"<p style=\"text-align: justify;\">Egy \u00faj kutat\u00e1s sor\u00e1n tud\u00f3sok rekonstru\u00e1lt\u00e1k a vir\u00e1gok 140\u00a0milli\u00f3 \u00e9ves evol\u00faci\u00f3j\u00e1t, \u00e9s k\u00f6zben elk\u00e9sz\u00edtett\u00e9k a vil\u00e1g els\u0151 vir\u00e1g\u00e1nak modellj\u00e9t is.<!--more--><\/p>\n<p style=\"text-align: justify;\">Az eFlower elnevez\u00e9s\u0171 projektben 13\u00a0orsz\u00e1g 36\u00a0tud\u00f3sa vett r\u00e9szt, tanulm\u00e1nyuk a Nature Communications tudom\u00e1nyos lapban jelent meg.<\/p>\n<div id=\"attachment_3693\" style=\"width: 610px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/www.automatic-security.info\/wp-content\/uploads\/2017\/08\/virag.jpg\"><img aria-describedby=\"caption-attachment-3693\" loading=\"lazy\" class=\"wp-image-3693 size-full\" src=\"http:\/\/www.automatic-security.info\/wp-content\/uploads\/2017\/08\/virag.jpg\" alt=\"Rekonstru\u00e1lt\u00e1k a vil\u00e1g els\u0151 vir\u00e1g\u00e1t\" width=\"600\" height=\"440\" srcset=\"https:\/\/www.automatic-security.info\/wp-content\/uploads\/2017\/08\/virag.jpg 600w, https:\/\/www.automatic-security.info\/wp-content\/uploads\/2017\/08\/virag-300x220.jpg 300w, https:\/\/www.automatic-security.info\/wp-content\/uploads\/2017\/08\/virag-150x110.jpg 150w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/a><p id=\"caption-attachment-3693\" class=\"wp-caption-text\">Illusztr\u00e1ci\u00f3<\/p><\/div>\n<p style=\"text-align: justify;\">Eredm\u00e9nyeik k\u00f6z\u00fcl az egyik legmeglep\u0151bb, hogy az els\u0151 vir\u00e1g \u00faj modellje nem hasonl\u00edt egyetlen kor\u00e1bban k\u00e9sz\u00edtett modellhez sem.<\/p>\n<p style=\"text-align: justify;\">Az \u00faj kutat\u00e1s szerint a vir\u00e1gok \u0151se er\u0151sen szimmetrikus \u00e9s k\u00e9tivar\u00fa volt, vagyis mind n\u0151i (term\u0151lev\u00e9l), mind h\u00edm (porz\u00f3sz\u00e1l) ivarlevelekkel, valamint t\u00f6bb koncentrikus k\u00f6rt alkot\u00f3 sziromh\u00e1rmassal rendelkezett.<\/p>\n<p style=\"text-align: justify;\">Ma a vir\u00e1gok mintegy 20\u00a0sz\u00e1zal\u00e9k\u00e1nak van hasonl\u00f3an h\u00e1rom sziromleveles k\u00f6r\u00f6kb\u0151l \u00e1ll\u00f3 p\u00e1rt\u00e1ja, a liliomf\u00e9l\u00e9knek k\u00e9t k\u00f6rb\u0151l, a magn\u00f3liaf\u00e9l\u00e9knek h\u00e1romb\u00f3l \u00e1ll.<\/p>\n<p style=\"text-align: justify;\">Hossz\u00fa ideig \u00fagy gondolt\u00e1k, hogy a vir\u00e1gok \u0151s\u00e9nek minden szerve spir\u00e1lis elrendez\u0151d\u00e9st mutatott.<\/p>\n<p style=\"text-align: justify;\">\u201eMeglepett a v\u00e9gs\u0151 eredm\u00e9ny, ami k\u00e9rd\u00e9sess\u00e9 tesz mindent, amit kor\u00e1bban a vir\u00e1gok evol\u00faci\u00f3j\u00e1r\u00f3l tudtunk \u00e9s tan\u00edtottunk\u201d \u2013 id\u00e9zte J\u00fcrg Sch\u00f6nenbergert, a B\u00e9csi Egyetem professzor\u00e1t, a kutat\u00e1s egyik koordin\u00e1tor\u00e1t a Science Daily tudom\u00e1nyos-ismeretterjeszt\u0151 h\u00edrport\u00e1l.<\/p>\n<p style=\"text-align: justify;\">A projektben soha nem l\u00e1tott nemzetk\u00f6zi egy\u00fcttm\u0171k\u00f6d\u00e9s keret\u00e9ben vetett\u00e9k \u00f6ssze els\u0151 \u00edzben a vir\u00e1gok szerkezet\u00e9r\u0151l sz\u00f3l\u00f3 inform\u00e1ci\u00f3kat a vir\u00e1gos n\u00f6v\u00e9nyek g\u00e9nelemz\u00e9sen alapul\u00f3 evol\u00faci\u00f3s f\u00e1j\u00e1nak legfrissebb adataival.<\/p>\n<p style=\"text-align: justify;\">A vir\u00e1gos n\u00f6v\u00e9nyek legal\u00e1bb 300\u00a0ezer faja a legnagyobb v\u00e1ltozatoss\u00e1got mutat\u00f3 n\u00f6v\u00e9nycsoport a f\u00f6ld\u00f6n. A t\u00e1pl\u00e1lkoz\u00e1sra, gy\u00f3gy\u00edt\u00e1sra \u00e9s m\u00e1s emberi c\u00e9lokra haszn\u00e1lt n\u00f6v\u00e9nyek szinte mindegyike ide tartozik, noha csak nagyj\u00e1b\u00f3l 140\u00a0milli\u00f3 \u00e9ve jelentek meg, a dinoszauruszok kor\u00e1nak v\u00e9ge fel\u00e9.<\/p>\n<p style=\"text-align: justify;\">Fajaik sz\u00e1ma az\u00f3ta l\u00e1tv\u00e1nyosan megsokasodott, sok\u00e1ig m\u00e9gsem tudtuk, pontosan hogy t\u00f6rt\u00e9nt ez a diverzifik\u00e1ci\u00f3. A vir\u00e1gz\u00f3 n\u00f6v\u00e9nyek eredete \u00e9s korai evol\u00faci\u00f3ja a biol\u00f3gia egyik legnagyobb rejt\u00e9lye maradt, az eFlower projekt els\u0151k\u00e9nt keresett erre egyszer\u0171, val\u00f3sz\u00edn\u0171 forgat\u00f3k\u00f6nyvet, ami megmagyar\u00e1zza a csal\u00e1d soksz\u00edn\u0171s\u00e9g\u00e9nek kialakul\u00e1s\u00e1t \u00e9s megmutatja, milyen lehetett minden vir\u00e1g \u0151se.<\/p>\n<p style=\"text-align: justify;\">mti<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Egy \u00faj kutat\u00e1s sor\u00e1n tud\u00f3sok rekonstru\u00e1lt\u00e1k a vir\u00e1gok 140\u00a0milli\u00f3 \u00e9ves evol\u00faci\u00f3j\u00e1t, \u00e9s k\u00f6zben elk\u00e9sz\u00edtett\u00e9k a vil\u00e1g els\u0151 vir\u00e1g\u00e1nak modellj\u00e9t is.<\/p>\n<p class=\"continue-reading-button\"> <a class=\"continue-reading-link\" href=\"https:\/\/www.automatic-security.info\/?p=3696\">tov\u00e1bb<i class=\"crycon-right-dir\"><\/i><\/a><\/p>\n","protected":false},"author":4,"featured_media":3693,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[117],"tags":[353],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.automatic-security.info\/index.php?rest_route=\/wp\/v2\/posts\/3696"}],"collection":[{"href":"https:\/\/www.automatic-security.info\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.automatic-security.info\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.automatic-security.info\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.automatic-security.info\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3696"}],"version-history":[{"count":1,"href":"https:\/\/www.automatic-security.info\/index.php?rest_route=\/wp\/v2\/posts\/3696\/revisions"}],"predecessor-version":[{"id":3697,"href":"https:\/\/www.automatic-security.info\/index.php?rest_route=\/wp\/v2\/posts\/3696\/revisions\/3697"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.automatic-security.info\/index.php?rest_route=\/wp\/v2\/media\/3693"}],"wp:attachment":[{"href":"https:\/\/www.automatic-security.info\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3696"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.automatic-security.info\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3696"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.automatic-security.info\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3696"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}