{"id":16721,"date":"2021-01-20T18:35:40","date_gmt":"2021-01-20T18:35:40","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=16721"},"modified":"2021-01-20T18:35:40","modified_gmt":"2021-01-20T18:35:40","slug":"new-research-creates-chicken-embryos-with-dinosaur-like-faces","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/tr\/science\/biology\/new-research-creates-chicken-embryos-with-dinosaur-like-faces\/","title":{"rendered":"Dinozor Y\u00fczl\u00fc Tavuk Embriyolar\u0131: Ku\u015flar\u0131n Evriminde Yeni Bulgular"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Yeni Ara\u015ft\u0131rmalar Dinozorlara Benzer Y\u00fczlere Sahip Tavuk Embriyolar\u0131 Olu\u015fturuyor<\/h2>\n\n<h2 class=\"wp-block-heading\">Ku\u015flar\u0131n Evrimini Anlamak<\/h2>\n\n<p>Bilim insanlar\u0131 uzun zamand\u0131r ku\u015flar\u0131n dinozorlardan evrimle\u015fmesiyle ilgilenmektedir. Ku\u015flar\u0131n en belirgin \u00f6zelliklerinden biri, dinozor atalar\u0131n\u0131n burunlar\u0131ndan \u00e7ok farkl\u0131 olan gagalar\u0131d\u0131r. Yeni bir \u00e7al\u0131\u015fma, bu ge\u00e7i\u015fin nas\u0131l ger\u00e7ekle\u015fmi\u015f olabilece\u011fine \u0131\u015f\u0131k tutmaktad\u0131r.<\/p>\n\n<h2 class=\"wp-block-heading\">Burundan Gagaya Ge\u00e7i\u015f<\/h2>\n\n<p>Evolution dergisinde yay\u0131mlanan \u00e7al\u0131\u015fma, tavuk embriyolar\u0131nda gagalar\u0131n geli\u015fimine odakland\u0131. Ara\u015ft\u0131rmac\u0131lar, tavuk ve emularda gagalar\u0131n embriyonik geli\u015fimini timsahlar, kertenkeleler ve kaplumba\u011falardaki burun geli\u015fimleriyle kar\u015f\u0131la\u015ft\u0131rd\u0131lar. Gagalar\u0131n geli\u015fiminde FGF ve Wnt adl\u0131 iki proteinin kilit bir rol oynad\u0131\u011f\u0131n\u0131 buldular.<\/p>\n\n<p>S\u00fcr\u00fcngenlerde FGF ve Wnt, embriyonik y\u00fcz\u00fcn iki k\u00fc\u00e7\u00fck par\u00e7as\u0131nda aktif hale getirilir. Ancak ku\u015flarda bu proteinler ayn\u0131 b\u00f6lgedeki geni\u015f bir doku band\u0131nda aktif hale getirilir. Protein aktivitesindeki bu farkl\u0131l\u0131k, burun yerine gaga geli\u015fimine yol a\u00e7ar.<\/p>\n\n<h2 class=\"wp-block-heading\">Dinozor Benzeri Burunlar Olu\u015fturma<\/h2>\n\n<p>Hipotezlerini test etmek i\u00e7in ara\u015ft\u0131rmac\u0131lar tavuk embriyolar\u0131ndaki geni\u015f protein aktivitesi band\u0131n\u0131 bloke ederek FGF ve Wnt&#8217;yi s\u00fcr\u00fcngenlerde g\u00f6r\u00fclen iki noktayla s\u0131n\u0131rlad\u0131lar. Sonu\u00e7, dinozorlar\u0131n burunlar\u0131na benzer \u015fekilde, gaga b\u00f6lgesinde daha k\u0131sa ve daha yuvarlak kemiklere sahip embriyolar oldu.<\/p>\n\n<h2 class=\"wp-block-heading\">Ku\u015flar\u0131n Evrimi \u0130\u00e7in Sonu\u00e7lar<\/h2>\n\n<p>Bu \u00e7al\u0131\u015fman\u0131n bulgular\u0131, ku\u015flar\u0131n dinozorlardan evrimle\u015fmesi hakk\u0131nda yeni bilgiler sa\u011flamaktad\u0131r. Gagalar\u0131n, burun olu\u015fturmak i\u00e7in gerekenlerden farkl\u0131 geli\u015fimsel ipu\u00e7lar\u0131 nedeniyle evrimle\u015fen benzersiz bir adaptasyon oldu\u011funu \u00f6ne s\u00fcrmektedirler.<\/p>\n\n<h2 class=\"wp-block-heading\">Etik Hususlar<\/h2>\n\n<p>\u00c7al\u0131\u015fma ya\u015fayabilir dino-tavuk melezleri yaratmam\u0131\u015f olsa da, embriyonik geli\u015fimi, farkl\u0131 t\u00fcrlerin \u00f6zelliklerine sahip hayvanlar yaratmak i\u00e7in manip\u00fcle etme potansiyeli hakk\u0131nda etik sorular\u0131 g\u00fcndeme getirmektedir. Ara\u015ft\u0131rmac\u0131lar, daha fazla ilerlemeden \u00f6nce bu t\u00fcr ara\u015ft\u0131rmalar\u0131n etik sonu\u00e7lar\u0131n\u0131 dikkatlice de\u011ferlendirme ihtiyac\u0131n\u0131n alt\u0131n\u0131 \u00e7izmektedir.<\/p>\n\n<h2 class=\"wp-block-heading\">Ek Ara\u015ft\u0131rmalar<\/h2>\n\n<p>Ara\u015ft\u0131rmac\u0131lar, ku\u015flarda gagalar\u0131n evrimine yol a\u00e7an genetik ve geli\u015fimsel mekanizmalar\u0131 daha iyi anlamak i\u00e7in \u00e7al\u0131\u015fmalar\u0131na devam etmeyi planlamaktad\u0131r. Ayr\u0131ca, bulgular\u0131n\u0131n rejeneratif t\u0131p gibi biyolojinin di\u011fer alanlar\u0131ndaki potansiyel uygulamalar\u0131n\u0131 da ara\u015ft\u0131rmay\u0131 ummaktad\u0131rlar.<\/p>\n\n<h2 class=\"wp-block-heading\">Daha Fazla Okuma<\/h2>\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.nature.com\/articles\/d41586-019-02230-3\" rel=\"nofollow noopener\" target=\"_blank\">Ku\u015flar Gagalar\u0131n\u0131 Nas\u0131l Edindi<\/a><\/li>\n<li><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S1095927315000631\" rel=\"nofollow noopener\" target=\"_blank\">Gaga Nedir?<\/a><\/li>\n<li><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC6315054\/\" rel=\"nofollow noopener\" target=\"_blank\">Geni\u015f Protein Aktivite Band\u0131 Nas\u0131l Bloke Edilir<\/a><\/li>\n<li><a href=\"https:\/\/evolution.berkeley.edu\/evolibrary\/article\/0_0_0\/evo_24\" rel=\"nofollow noopener\" target=\"_blank\">Gagalar Evrim Taraf\u0131ndan Nas\u0131l \u015eekillendirilir<\/a><\/li>\n<li><a href=\"https:\/\/www.nationalgeographic.com\/animals\/article\/scientists-create-chicken-embryos-dinosaur-faces\" rel=\"nofollow noopener\" target=\"_blank\">Dino-Tavuk Hibritleri Nas\u0131l Olu\u015fturulur<\/a><\/li>\n<li><a href=\"https:\/\/theconversation.com\/scientists-create-chicken-embryos-with-dinosaur-faces-what-does-it-mean-for-ethics-120558\" rel=\"nofollow noopener\" target=\"_blank\">Ku\u015f-Saatini Geri \u00c7evirmenin Etik Hususlar\u0131<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Yeni Ara\u015ft\u0131rmalar Dinozorlara Benzer Y\u00fczlere Sahip Tavuk Embriyolar\u0131 Olu\u015fturuyor Ku\u015flar\u0131n Evrimini Anlamak Bilim insanlar\u0131 uzun zamand\u0131r ku\u015flar\u0131n dinozorlardan evrimle\u015fmesiyle ilgilenmektedir. Ku\u015flar\u0131n en belirgin \u00f6zelliklerinden biri, dinozor atalar\u0131n\u0131n burunlar\u0131ndan \u00e7ok farkl\u0131&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[288],"tags":[22123,136,188,1381,137,22122],"class_list":["post-16721","post","type-post","status-publish","format-standard","hentry","category-biology","tag-dinosaur-faces","tag-evolution","tag-genetics","tag-bird-evolution","tag-paleontology","tag-chicken-embryos"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/posts\/16721","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/comments?post=16721"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/posts\/16721\/revisions"}],"predecessor-version":[{"id":16722,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/posts\/16721\/revisions\/16722"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/media?parent=16721"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/categories?post=16721"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/tags?post=16721"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}