{"id":18248,"date":"2019-07-16T08:29:54","date_gmt":"2019-07-16T08:29:54","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=18248"},"modified":"2019-07-16T08:29:54","modified_gmt":"2019-07-16T08:29:54","slug":"unveiling-the-genetic-secret-of-red-birds-vibrant-hues","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/tr\/science\/zoology\/unveiling-the-genetic-secret-of-red-birds-vibrant-hues\/","title":{"rendered":"K\u0131rm\u0131z\u0131 Ku\u015flar\u0131n Canl\u0131 Renklerinin Genetik S\u0131rr\u0131"},"content":{"rendered":"<h2 class=\"wp-block-heading\">K\u0131rm\u0131z\u0131 Ku\u015flar Canl\u0131 Renklerini Nereden Al\u0131r?<\/h2>\n\n<h2 class=\"wp-block-heading\">Genetik S\u0131rr\u0131n A\u00e7\u0131\u011fa \u00c7\u0131kmas\u0131<\/h2>\n\n<p>Do\u011fan\u0131n canl\u0131 gobleninde k\u0131rm\u0131z\u0131 ku\u015flar b\u00fcy\u00fcleyici g\u00f6steriler olarak \u00f6ne \u00e7\u0131kar. T\u00fcyleri k\u0131z\u0131l bir par\u0131lt\u0131yla parlar ve bu da uzun zamand\u0131r bilim insanlar\u0131n\u0131 merakland\u0131ran bir gizemdir. \u0130ki \u00e7\u0131\u011f\u0131r a\u00e7an \u00e7al\u0131\u015fma, bu ola\u011fan\u00fcst\u00fc renklenmenin genetik temellerini ayd\u0131nlatt\u0131.<\/p>\n\n<p>Gizemin merkezinde CYP2J19 olarak bilinen bir gen yer al\u0131r. Bu gen, bitkilerde bulunan sar\u0131 karotenoidleri, ku\u015f t\u00fcylerine kendine \u00f6zg\u00fc rengini veren k\u0131rm\u0131z\u0131 ketokarotenoidlere d\u00f6n\u00fc\u015ft\u00fcrmekten sorumludur. Ara\u015ft\u0131rmac\u0131lar, CYP2J19&#8217;un k\u0131rm\u0131z\u0131 t\u00fcyl\u00fc ku\u015flarda \u00f6zellikle aktif oldu\u011funu ve bu ku\u015flar\u0131n t\u00fcylerini s\u00fcsleyen canl\u0131 renkleri \u00fcretmelerini sa\u011flad\u0131\u011f\u0131n\u0131 ke\u015ffettiler.<\/p>\n\n<h2 class=\"wp-block-heading\">Evrimsel Bulmaca<\/h2>\n\n<p>K\u0131rm\u0131z\u0131 renklenmenin arkas\u0131ndaki genetik mekanizma ortaya \u00e7\u0131kar\u0131lm\u0131\u015f olsa da, evrimsel ama\u00e7 bir bilmece olarak kalmaya devam ediyor. Ku\u015flar neden onlar\u0131 y\u0131rt\u0131c\u0131lara kar\u015f\u0131 daha savunmas\u0131z hale getirebilecek b\u00f6ylesine dikkat \u00e7ekici renkler sergilemek i\u00e7in evrimle\u015firler?<\/p>\n\n<p>\u0130lgin\u00e7 bir hipotez, k\u0131rm\u0131z\u0131 renklenmenin sa\u011fl\u0131k ve zindeli\u011fin bir i\u015fareti olabilece\u011fini \u00f6ne s\u00fcr\u00fcyor. K\u0131rm\u0131z\u0131 ketokarotenoidleri \u00fcreten gen, ayn\u0131 zamanda toksinlerin metabolizmas\u0131yla da ili\u015fkilidir. Bu, daha parlak k\u0131rm\u0131z\u0131 t\u00fcylere sahip ku\u015flar\u0131n, beslenmelerinde t\u00fckettikleri zararl\u0131 kimyasallar\u0131 daha iyi detoksifiye edebildikleri anlam\u0131na gelir. Di\u011fer bir deyi\u015fle, canl\u0131 tonlar\u0131, \u00e7evresel zorluklara dayanma yeteneklerinin bir kan\u0131t\u0131 olabilir.<\/p>\n\n<h2 class=\"wp-block-heading\">Ticari Uygulamalar<\/h2>\n\n<p>K\u0131rm\u0131z\u0131 renklenmeden sorumlu genin ku\u015flarda ke\u015ffi, ticari uygulamalar\u0131ndaki potansiyeline de ilgi uyand\u0131rd\u0131. K\u0131rm\u0131z\u0131 karotenoidler, g\u0131da end\u00fcstrisinde do\u011fal renklendiriciler olarak olduk\u00e7a de\u011ferlidir. \u00d6rne\u011fin, baz\u0131 ku\u015flar\u0131n g\u00f6zlerinde bulunan k\u0131rm\u0131z\u0131 bir pigment olan astaksantinin yapay bir versiyonu, \u00e7iftlik somonuna pembe tonunu vermek i\u00e7in kullan\u0131l\u0131r.<\/p>\n\n<p>Ara\u015ft\u0131rmac\u0131lar, k\u0131rm\u0131z\u0131 renklenmenin ku\u015flardaki genetik temelini anlaman\u0131n, end\u00fcstriyel renklendiricilerin yeni ve geli\u015ftirilmi\u015f s\u0131n\u0131flar\u0131n\u0131n geli\u015ftirilmesine yol a\u00e7abilece\u011fine ve bu de\u011ferli pigmentlerin uygulamalar\u0131n\u0131 daha da geni\u015fletebilece\u011fine inan\u0131yor.<\/p>\n\n<h2 class=\"wp-block-heading\">K\u0131rm\u0131z\u0131 Ku\u015flar: Do\u011fan\u0131n Senfonisi<\/h2>\n\n<p>K\u0131rm\u0131z\u0131 ku\u015flar\u0131n canl\u0131 renkleri, genetik, evrim ve hayatta kalma aray\u0131\u015f\u0131n\u0131n karma\u015f\u0131k etkile\u015fiminin bir kan\u0131t\u0131d\u0131r. T\u00fcyleri sadece dekoratif de\u011fil, ayn\u0131 zamanda biyolojilerinin hikayesinin anlat\u0131ld\u0131\u011f\u0131 bir tuval g\u00f6revi g\u00f6r\u00fcyor. Genetik kodlar\u0131n\u0131n gizli derinliklerinden t\u00fcylerinin g\u00f6z kama\u015ft\u0131r\u0131c\u0131 sergilenmesine kadar k\u0131rm\u0131z\u0131 ku\u015flar, g\u00fczellikleri ve saklad\u0131klar\u0131 s\u0131rlarla bizi b\u00fcy\u00fcl\u00fcyorlar.<\/p>\n\n<h2 class=\"wp-block-heading\">Ek Bilgiler<\/h2>\n\n<ul class=\"wp-block-list\">\n<li>K\u0131rm\u0131z\u0131 renklenme, hayvanlar aleminde y\u00fcksek g\u00f6r\u00fcn\u00fcrl\u00fc\u011f\u00fc ve y\u0131rt\u0131c\u0131lar\u0131 \u00e7ekme potansiyeli nedeniyle nispeten nadir g\u00f6r\u00fclen bir olgudur.<\/li>\n<li>CYP2J19 geni hem k\u0131rm\u0131z\u0131 t\u00fcyl\u00fc hem de daha donuk ku\u015f t\u00fcrlerinde bulunur, ancak aktivitesi k\u0131rm\u0131z\u0131 ku\u015flarda \u00f6nemli \u00f6l\u00e7\u00fcde daha y\u00fcksektir.<\/li>\n<li>Bir ara\u015ft\u0131rma ekibi taraf\u0131ndan incelenen k\u0131rm\u0131z\u0131 gagal\u0131 zebra ispinozlar\u0131n\u0131n CYP2J19 genini ta\u015f\u0131d\u0131\u011f\u0131, sar\u0131 gagal\u0131 ispinozlar\u0131n ise bu genden yoksun oldu\u011fu bulundu.<\/li>\n<li>CYP2J19 geninin ke\u015ffi, ku\u015flar\u0131n renklenmesinin geneti\u011fi ve \u00e7e\u015fitli end\u00fcstrilerdeki potansiyel uygulamalar\u0131 \u00fczerine ara\u015ft\u0131rmalar i\u00e7in yeni yollar a\u00e7t\u0131.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>K\u0131rm\u0131z\u0131 Ku\u015flar Canl\u0131 Renklerini Nereden Al\u0131r? Genetik S\u0131rr\u0131n A\u00e7\u0131\u011fa \u00c7\u0131kmas\u0131 Do\u011fan\u0131n canl\u0131 gobleninde k\u0131rm\u0131z\u0131 ku\u015flar b\u00fcy\u00fcleyici g\u00f6steriler olarak \u00f6ne \u00e7\u0131kar. T\u00fcyleri k\u0131z\u0131l bir par\u0131lt\u0131yla parlar ve bu da uzun zamand\u0131r&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[280],"tags":[97,252,136,188,23871,23872],"class_list":["post-18248","post","type-post","status-publish","format-standard","hentry","category-zoology","tag-science","tag-nature","tag-evolution","tag-genetics","tag-red-birds","tag-bird-coloration"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/posts\/18248","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=18248"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/posts\/18248\/revisions"}],"predecessor-version":[{"id":18249,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/posts\/18248\/revisions\/18249"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/media?parent=18248"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/categories?post=18248"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/tags?post=18248"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}