{"id":5005648,"date":"2007-09-16T10:03:22","date_gmt":"2007-09-16T08:03:22","guid":{"rendered":"https:\/\/criticalbiomass.blog.hu\/2007\/09\/16\/tucsok_es_ugrolab"},"modified":"2007-09-16T10:03:22","modified_gmt":"2007-09-16T08:03:22","slug":"tucsok_es_ugrolab","status":"publish","type":"post","link":"https:\/\/criticalbiomass.hu\/?p=5005648","title":{"rendered":"T\u00fccs\u00f6k \u00e9s ugr\u00f3l\u00e1b"},"content":{"rendered":"<p><img decoding=\"async\" src=\"http:\/\/criticalbiomass.blog.hu\/media\/image\/200709\/gryllus-lab.jpg\" class=\"imgright\" \/>Ha a rovarvil\u00e1g molekul\u00e1ris sv\u00e1jcibicsk\u00e1j\u00e1t keresn\u00e9nk, az <i>Ubx<\/i> g\u00e9n j\u00f3 es\u00e9llyel p\u00e1ly\u00e1zhatna erre a c\u00edmre. Szerepe van abban, hogy a rovarok potroh\u00e1n <a href=\"http:\/\/criticalbiomass.blog.hu\/2007\/03\/19\/izeltlabu_test_evolucio_1\">nem alakulnak ki l\u00e1bak<\/a> \u00e9s <a href=\"http:\/\/criticalbiomass.blog.hu\/2007\/03\/26\/izeltlabu_test_evolucio_2\">sz\u00e1rnyak<\/a>, de abban is \u0151 a ludas, hogy pl. a muslic\u00e1k (\u00e9s h\u00e1zilegyek) h\u00e1ts\u00f3 torszelv\u00e9ny\u00e9n a sz\u00e1rny egy speci\u00e1lis egyens\u00falyoz\u00f3 szervv\u00e9, <a href=\"http:\/\/criticalbiomass.blog.hu\/2006\/07\/13\/hogyan_lesz_egy_szarnybol_biller\">bill\u00e9rr\u00e9 alakul<\/a>. De \u00fagy t\u0171nik, ezzel m\u00e9g nem \u00e9rt\u00fcnk sor v\u00e9g\u00e9re \u00e9s id\u0151r\u0151l id\u0151re \u00fajabb tulajdons\u00e1gokr\u00f3l der\u00fcl ki, hogy azokat valamilyen form\u00e1ban az<i> Ubx<\/i> szab\u00e1lyozza.<\/p>\n<p>Most \u00e9ppen a h\u00e1ts\u00f3 (azaz harmadik torszelv\u00e9nyen (T3) kifejl\u0151d\u0151) l\u00e1bak vannak soron, amelyek szegmensei sz\u00e1mos faj eset\u00e9ben hosszabbra ny\u00falnak mint a t\u00f6bbi l\u00e1b eset\u00e9ben (gondoljunk csak a t\u00fccsk\u00f6k \u00e9s sz\u00f6csk\u00e9k eset\u00e9re).<\/p>\n<p><!--more--><\/p>\n<p><img decoding=\"async\" src=\"http:\/\/criticalbiomass.blog.hu\/media\/image\/200709\/ubx-T3.jpg\" align=\"left\" hspace=\"5\" vspace=\"5\" \/>Az eg\u00e9sz abb\u00f3l az apr\u00f3 megfigyel\u00e9sb\u0151l indult, hogy a megny\u00falt h\u00e1ts\u00f3 l\u00e1b\u00fa rovarok eset\u00e9ben, nem sokkal a v\u00e9gtagkezdem\u00e9nyek megjelen\u00e9se ut\u00e1n, a T3-l\u00e1bak kisebb-nagyobb s\u00e1vokban elkezdik az Ubx g\u00e9nt kifelyezni. (A baloldali \u00e1br\u00e1n az UbdA az Ubx \u00e9s egy hozz\u00e1 hasonl\u00f3 g\u00e9n, az abdA nev\u00e9nek \u00f6sszevon\u00e1s\u00e1b\u00f3l ered &#8211; ezeket \u00e1ltal\u00e1ban egy\u00fctt detekt\u00e1lj\u00e1k. Az els\u0151 potrohszelv\u00e9nyben (A1) az\u00e9rt vannak jelen, mert ott &#8211; l\u00e1sd els\u0151 bekezd\u00e9s &#8211; elnyomj\u00e1k a v\u00e9gtagkialakul\u00e1st.) Ha valamilyen m\u00f3don megg\u00e1toljuk az <i>Ubx<\/i> kifejez\u0151d\u00e9s\u00e9t (pl. <a href=\"http:\/\/criticalbiomass.blog.hu\/media\/image\/200709\/\">RNS interferencia<\/a> seg\u00edts\u00e9g\u00e9vel), a h\u00e1ts\u00f3 v\u00e9gtag szegmenseinek hossza jelent\u0151sen lecs\u00f6kken (kb. ugyanakkor\u00e1k lesznek, mint az el\u00fcls\u0151bb p\u00e1r l\u00e1bak). (Na \u00e9s persze az A1-n is egy kis l\u00e1b fejl\u0151dik ki.)<\/p>\n<p>(Az al\u00e1bbi \u00e1bra mutatja, amint a g\u00e9n fokozatosan \u00faj funkci\u00f3kra tesz szert, az \u00edzeltl\u00e1b\u00faak evol\u00faci\u00f3ja sor\u00e1n.)<\/p>\n<p><center><img decoding=\"async\" src=\"http:\/\/criticalbiomass.blog.hu\/media\/image\/200709\/T3-ubx-evo.jpg\" vspace=\"3\" \/><\/center><\/p>\n<hr \/>\n<p><span size=\"1\" style=\"font-size: xx-small;\"> <strong>Mahfooz N, Turchyn N, Mihajlovic M, Hrycaj S, Popadi\u0107 A<\/strong> (2007) Ubx Regulates Differential Enlargement and Diversification of Insect Hind Legs. <i>PLoS ONE<\/i> <strong>2(9)<\/strong>: e866. <a href=\"http:\/\/dx.doi.org\/doi:10.1371\/journal.pone.0000866\">doi:10.1371\/journal.pone.0000866<\/a>. <\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ha a rovarvil\u00e1g molekul\u00e1ris sv\u00e1jcibicsk\u00e1j\u00e1t keresn\u00e9nk, az Ubx g\u00e9n j\u00f3 es\u00e9llyel p\u00e1ly\u00e1zhatna erre a c\u00edmre. Szerepe van abban, hogy a rovarok potroh\u00e1n nem alakulnak ki l\u00e1bak \u00e9s sz\u00e1rnyak, de abban is \u0151 a ludas, hogy pl. a muslic\u00e1k (\u00e9s h\u00e1zilegyek) &hellip; <a href=\"https:\/\/criticalbiomass.hu\/?p=5005648\">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":[3,1],"tags":[5,12],"class_list":["post-5005648","post","type-post","status-publish","format-standard","hentry","category-evolucio","category-uncategorized","tag-evodevo","tag-hox"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/criticalbiomass.hu\/index.php?rest_route=\/wp\/v2\/posts\/5005648","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=5005648"}],"version-history":[{"count":0,"href":"https:\/\/criticalbiomass.hu\/index.php?rest_route=\/wp\/v2\/posts\/5005648\/revisions"}],"wp:attachment":[{"href":"https:\/\/criticalbiomass.hu\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5005648"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/criticalbiomass.hu\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5005648"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/criticalbiomass.hu\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5005648"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}