{"id":5005974,"date":"2010-12-26T22:07:58","date_gmt":"2010-12-26T21:07:58","guid":{"rendered":"https:\/\/criticalbiomass.blog.hu\/2010\/12\/26\/sokfele_elefantok"},"modified":"2010-12-26T22:07:58","modified_gmt":"2010-12-26T21:07:58","slug":"sokfele_elefantok","status":"publish","type":"post","link":"https:\/\/criticalbiomass.hu\/?p=5005974","title":{"rendered":"Sokf\u00e9le elef\u00e1ntok"},"content":{"rendered":"<p>\u00c9s akkor m\u00e9g egy gyors, archaikus genomi DNS-el megt\u0171zdelt sztori ma est\u00e9re. Az Elef\u00e1ntf\u00e9l\u00e9k csal\u00e1df\u00e1j\u00e1nak pontos rekonstrukci\u00f3j\u00e1hoz, a <a href=\"http:\/\/criticalbiomass.blog.hu\/media\/image\/201012\/\">kor\u00e1bbi mitokondri\u00e1lis DNS vizsg\u00e1latok<\/a> ut\u00e1n most megszekven\u00e1lt\u00e1k az \u00e1zsiai elef\u00e1nt, k\u00e9t afrikai elef\u00e1ntpopul\u00e1ci\u00f3 (szavannai \u00e9s erdei), valamint egy mamut \u00e9s egy masztodon teljes genomj\u00e1t.<\/p>\n<p>Ez esetben a kor\u00e1bbi t\u00f6rzsf\u00e1kat nem a kihalt fajok genomi k\u00fcl\u00f6nlegess\u00e9gei miatt kell \u00e1t\u00edrni, hanem mert a jelek szerint a k\u00e9t afrikai elef\u00e1nt &#8222;popul\u00e1ci\u00f3&#8221; igaz\u00e1b\u00f3l k\u00e9t k\u00fcl\u00f6n faj: annyira k\u00fcl\u00f6nb\u00f6znek egym\u00e1st\u00f3l, mint a ma m\u00e1r kihalt mamut \u00e9s legk\u00f6zelebbi \u00e9l\u0151 rokona, az \u00e1zsiai elef\u00e1nt. Mivel azonban ma m\u00e1r ez a k\u00e9t faj gyakran szaporodik egym\u00e1ssal (\u00fajabb bizony\u00edt\u00e9kak\u00e9nt a <a href=\"http:\/\/criticalbiomass.blog.hu\/media\/image\/201012\/\">faj-defin\u00edci\u00f3 neh\u00e9zs\u00e9geinek<\/a>), az a legval\u00f3sz\u00edn\u0171bb, hogy viszonylag sok\u00e1ig, ma m\u00e1r nehezen rekonstru\u00e1lhat\u00f3 okb\u00f3l, f\u00f6ldrajzilag elk\u00fcl\u00f6n\u00fclve \u00e9ltek egym\u00e1st\u00f3l, \u00e9s csak a relat\u00edv k\u00f6zelm\u00falt (m\u00e1r amennyire kb f\u00e9lmilli\u00f3 \u00e9v m\u00e9g nevezhet\u0151 \u00edgy) hozta az \u00e9lettereik \u00e1tfed\u00e9s\u00e9t \u00e9s az (\u00fajra)kevered\u00e9s es\u00e9ly\u00e9t el.<\/p>\n<p>(Az \u00e1br\u00e1n az N<sub>x<\/sub>, az az x faj <a href=\"http:\/\/en.wikipedia.org\/wiki\/Effective_population_size\">effekt\u00edv popul\u00e1ci\u00f3 m\u00e9ret\u00e9t<\/a> saccolja (ezer egyedben), a T<sub>xy<\/sub> pedig az x \u00e9s y k\u00f6zti sz\u00e9tv\u00e1l\u00e1s idej\u00e9t (milli\u00f3 \u00e9vben).)<\/p>\n<p><img decoding=\"async\" class=\"blossom-image-align-block\" src=\"http:\/\/criticalbiomass.blog.hu\/media\/image\/201012\/elephantidae.jpg\" alt=\"\" \/><\/p>\n<hr \/>\n<p><span style=\"font-size: xx-small;\"> <strong>Rohland N, Reich D, Mallick S, Meyer M, Green RE, et al.<\/strong> (2010) Genomic DNA Sequences from Mastodon and Woolly Mammoth Reveal Deep Speciation of Forest and Savanna Elephants. <em>PLoS Biol<\/em> <strong>8(12)<\/strong>: e1000564. doi:10.1371\/journal.pbio.1000564 <\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00c9s akkor m\u00e9g egy gyors, archaikus genomi DNS-el megt\u0171zdelt sztori ma est\u00e9re. Az Elef\u00e1ntf\u00e9l\u00e9k csal\u00e1df\u00e1j\u00e1nak pontos rekonstrukci\u00f3j\u00e1hoz, a kor\u00e1bbi mitokondri\u00e1lis DNS vizsg\u00e1latok ut\u00e1n most megszekven\u00e1lt\u00e1k az \u00e1zsiai elef\u00e1nt, k\u00e9t afrikai elef\u00e1ntpopul\u00e1ci\u00f3 (szavannai \u00e9s erdei), valamint egy mamut \u00e9s egy masztodon &hellip; <a href=\"https:\/\/criticalbiomass.hu\/?p=5005974\">Egy kattint\u00e1s ide a folytat\u00e1shoz&#8230;. <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-5005974","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/criticalbiomass.hu\/index.php?rest_route=\/wp\/v2\/posts\/5005974","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/criticalbiomass.hu\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/criticalbiomass.hu\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/criticalbiomass.hu\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/criticalbiomass.hu\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5005974"}],"version-history":[{"count":0,"href":"https:\/\/criticalbiomass.hu\/index.php?rest_route=\/wp\/v2\/posts\/5005974\/revisions"}],"wp:attachment":[{"href":"https:\/\/criticalbiomass.hu\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5005974"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/criticalbiomass.hu\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5005974"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/criticalbiomass.hu\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5005974"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}