{"id":49063,"date":"2021-03-13T10:23:27","date_gmt":"2021-03-13T07:23:27","guid":{"rendered":"https:\/\/bilimvegelecek.com.tr\/?p=49063"},"modified":"2021-03-13T10:24:04","modified_gmt":"2021-03-13T07:24:04","slug":"goz-renginin-belirlenmesinde-etkili-olan-50-yeni-gen-lokusu-tespit-edildi","status":"publish","type":"post","link":"https:\/\/bilimvegelecek.com.tr\/index.php\/2021\/03\/13\/goz-renginin-belirlenmesinde-etkili-olan-50-yeni-gen-lokusu-tespit-edildi","title":{"rendered":"G\u00f6z renginin belirlenmesinde etkili olan 50 yeni gen lokusu tespit edildi"},"content":{"rendered":"

*<\/strong> Lokus, belirli bir genin kromozom \u00fczerindeki \u00f6zel konumudur.<\/em><\/p>\n

Yeni bir ara\u015ft\u0131rmaya g\u00f6re insan g\u00f6z renginin genetik arka plan\u0131 d\u00fc\u015f\u00fcn\u00fclenden \u00e7ok daha karma\u015f\u0131k bir yap\u0131dad\u0131r.<\/p>\n

King’s College London ve Erasmus \u00dcniversitesi T\u0131p Merkezi\u2019nden biliminsanlar\u0131, bug\u00fcne kadar insan g\u00f6z rengi geneti\u011finin incelendi\u011fi \u00e7al\u0131\u015fmalar\u0131n en kapsaml\u0131lar\u0131ndan birine imza att\u0131. Avrupa ve Asya\u2019da ya\u015fayan yakla\u015f\u0131k 195.000 ki\u015finin genetik analizini i\u00e7eren ve Science Advances<\/em>\u2019ta yay\u0131nlanan \u00e7al\u0131\u015fma g\u00f6z renginin belirlenmesinde etkili olan 50 yeni gen lokusunu i\u015faret etmektedir.<\/p>\n

Ara\u015ft\u0131rmac\u0131lar Asyal\u0131larda kahverenginin farkl\u0131 tonlar\u0131ndaki g\u00f6z renginin, Avrupal\u0131lardaki koyu kahverengiden a\u00e7\u0131k maviye kadar de\u011fi\u015fen g\u00f6z rengine genetik olarak benzedi\u011fini de g\u00f6sterdi.<\/p>\n

Ara\u015ft\u0131rman\u0131n \u00e7\u0131k\u0131\u015f\u0131, biliminsanlar\u0131n\u0131n g\u00f6z rengi ile ba\u011flant\u0131l\u0131 bir d\u00fczine geni tan\u0131mlad\u0131klar\u0131 ve daha fazla genin bu s\u00fcre\u00e7te rol oynad\u0131\u011f\u0131na dair d\u00fc\u015f\u00fcncelerine yer verdikleri \u00f6nceki ara\u015ft\u0131rmalara dayan\u0131yor. Daha \u00f6nceleri, g\u00f6z renginin genetik temeli yava\u015f yava\u015f ayd\u0131nlat\u0131lmadan \u00f6nce, biliminsanlar\u0131 g\u00f6z rengindeki de\u011fi\u015fimin yaln\u0131zca bir veya iki gen taraf\u0131ndan kontrol edildi\u011fini ve kahverengi g\u00f6z renginin mavi g\u00f6z rengine bask\u0131n oldu\u011funu d\u00fc\u015f\u00fcnmekteydiler.<\/p>\n

Ara\u015ft\u0131rman\u0131n bulgular\u0131, g\u00f6zdeki pigment seviyelerinin rol oynad\u0131\u011f\u0131 baz\u0131 g\u00f6z hastal\u0131klar\u0131n\u0131n daha iyi anla\u015f\u0131lmas\u0131na da yard\u0131mc\u0131 olabilir. Ara\u015ft\u0131rmac\u0131lardan Dr. Pirro Hysi, \u201c\u00c7al\u0131\u015fma bulgular\u0131 heyecan verici \u00e7\u00fcnk\u00fc insan y\u00fcz\u00fcn\u00fcn en \u00e7arp\u0131c\u0131 \u00f6zelliklerinden birine kaynakl\u0131k eden genleri anlamaya bir ad\u0131m daha yakla\u015fm\u0131\u015f durumday\u0131z. Bulgular belirli pigmentasyon seviyeleriyle ili\u015fkili olan bir\u00e7ok g\u00f6z hastal\u0131\u011f\u0131n\u0131 daha iyi anlamam\u0131z\u0131 sa\u011flayacakt\u0131r\u201d a\u00e7\u0131klamalar\u0131nda bulundu.<\/p>\n

Dr. Manfred Kayser ise ba\u015fka bir noktaya de\u011finerek \u201c\u00c7al\u0131\u015fma, (kahverengi ve mavi olmayan g\u00f6z renkleri i\u00e7in) DNA’dan g\u00f6z rengi tahminini iyile\u015ftirmek i\u00e7in gereken genetik bilgiyi sa\u011fl\u0131yor\u201d dedi. Kayser\u2019in i\u015faret etti\u011fi tahminler antropolojik ve adli ara\u015ft\u0131rmalar a\u00e7\u0131s\u0131ndan \u00f6nemli bir noktada durmaktad\u0131r.<\/p>\n

Kaynak:<\/strong> SCIENCE DAILY<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

* Lokus, belirli bir genin kromozom \u00fczerindeki \u00f6zel konumudur. Yeni bir ara\u015ft\u0131rmaya g\u00f6re insan g\u00f6z renginin genetik arka plan\u0131 d\u00fc\u015f\u00fcn\u00fclenden \u00e7ok daha karma\u015f\u0131k bir yap\u0131dad\u0131r. King’s College London ve Erasmus \u00dcniversitesi T\u0131p Merkezi\u2019nden biliminsanlar\u0131, bug\u00fcne kadar insan g\u00f6z rengi geneti\u011finin incelendi\u011fi \u00e7al\u0131\u015fmalar\u0131n en kapsaml\u0131lar\u0131ndan birine imza att\u0131. Avrupa ve Asya\u2019da ya\u015fayan yakla\u015f\u0131k 195.000 ki\u015finin genetik […]<\/p>\n","protected":false},"author":1390,"featured_media":36520,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[19],"tags":[292,7411,5233,7410],"class_list":["post-49063","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bilim-gundemi","tag-genetik","tag-goz-hastaliklari","tag-goz-rengi","tag-lokus"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t