{"id":34312,"date":"2019-05-25T03:05:11","date_gmt":"2019-05-25T00:05:11","guid":{"rendered":"https:\/\/bilimvegelecek.com.tr\/?p=34312"},"modified":"2019-05-24T17:12:44","modified_gmt":"2019-05-24T14:12:44","slug":"yeni-calisma-sivrisineklerin-kokumuzu-nasil-algiladigini-ortaya-cikardi","status":"publish","type":"post","link":"https:\/\/bilimvegelecek.com.tr\/index.php\/2019\/05\/25\/yeni-calisma-sivrisineklerin-kokumuzu-nasil-algiladigini-ortaya-cikardi","title":{"rendered":"Yeni \u00e7al\u0131\u015fma, sivrisineklerin kokumuzu nas\u0131l alg\u0131lad\u0131\u011f\u0131n\u0131 ortaya \u00e7\u0131kard\u0131"},"content":{"rendered":"<p>Yeni bir \u00e7al\u0131\u015fma sonucunda sivrisineklerin anteninde koku alg\u0131lay\u0131c\u0131 IR8a olarak adland\u0131r\u0131lan bir protein ke\u015ffedildi.<\/p>\n<p>Sivrisinek t\u00fcrlerinden biri olan <em>Aedes aegypti<\/em>, insan kan\u0131n\u0131 di\u011fer hayvanlar\u0131n kan\u0131na oranla daha \u00e7ok tercih eder. Ancak bu sivrisinek, Zika vir\u00fcs\u00fcn\u00fcn yay\u0131l\u0131m\u0131n\u0131 sa\u011flad\u0131\u011f\u0131 i\u00e7in bu tehlikeli hastal\u0131\u011f\u0131n g\u00f6r\u00fclme s\u0131kl\u0131\u011f\u0131n\u0131 art\u0131r\u0131r.<\/p>\n<p>Miami\u2019deki Florida \u00dcniversitesi\u2019nde \u00e7al\u0131\u015fan genetik\u00e7i Matthew DeGennaro, \u201cCildimiz ve cildimizde ya\u015fayan \u00e7ok say\u0131da mikrobik canl\u0131, laktik asid \u00fcretir. Bu asit, insan kokusunun b\u00fcy\u00fck bir b\u00f6l\u00fcm\u00fcn\u00fc olu\u015fturur\u201d diyor.<\/p>\n<figure id=\"attachment_34314\" aria-describedby=\"caption-attachment-34314\" style=\"width: 300px\" class=\"wp-caption alignright\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-34314\" src=\"https:\/\/bilimvegelecek.com.tr\/wp-content\/uploads\/2019\/05\/2-6-300x160.jpg\" alt=\"\" width=\"300\" height=\"160\" \/><figcaption id=\"caption-attachment-34314\" class=\"wp-caption-text\">Foto\u011fraftaki Aedes aegypti t\u00fcr\u00fc sine\u011fin sahip oldu\u011fu ve laktik asidin koku yoluyla fark edilmesini sa\u011flayan protein ke\u015ffedildi.<\/figcaption><\/figure>\n<p>1960\u2019lardan bu yana ara\u015ft\u0131rmac\u0131lar s\u00f6z\u00fc ge\u00e7en bu asidin, <em>Aedes aegypti<\/em> t\u00fcr\u00fc sivrisineklerin insanlar\u0131 se\u00e7ebilmek i\u00e7in yararland\u0131\u011f\u0131 temel etken oldu\u011funu d\u00fc\u015f\u00fcnd\u00fcler. Konuya ili\u015fkin olarak yap\u0131lan yeni \u00e7al\u0131\u015fma, bu sivrisineklerin asidi fark etmek i\u00e7in IR8a\u2019ya ihtiya\u00e7 duyduklar\u0131n\u0131 ortaya \u00e7\u0131kard\u0131.<\/p>\n<p><strong>Laktik aside duyarl\u0131 protein<br \/>\n<\/strong>Has IR8a\u2019y\u0131 \u00fcreten <em>Aedes aegypti<\/em>\u00a0 ile \u00e7al\u0131\u015fan ara\u015ft\u0131rmac\u0131lar, IR8a\u2019n\u0131n ba\u015fkala\u015fm\u0131\u015f formunu \u00fcreten sivrisinekler \u00fczerinde de \u00e7al\u0131\u015fmalar\u0131n\u0131 s\u00fcrd\u00fcrd\u00fcler. Ancak, bu proteinin ba\u015fkala\u015fm\u0131\u015f formunun uygun bir \u015fekilde \u00e7al\u0131\u015fmad\u0131\u011f\u0131 ortaya \u00e7\u0131kar\u0131ld\u0131. T\u00fcm sivrisineklere ya bir insan\u0131n kolu ya da ter lekeli bir bez verildi. Ba\u015fkala\u015fm\u0131\u015f IR8a \u00fcreten sivrisineklerin insan kolunu ya da ter lekeli bir bezi fark etme e\u011filimlerinin, has IR8a \u00fcreten sivrisineklerden yar\u0131 yar\u0131ya az oldu\u011fu g\u00f6zlendi. DeGennaro ve ekibi, yapt\u0131klar\u0131 \u00e7al\u0131\u015fmay\u0131 27 May\u0131s g\u00fcn\u00fc <em>Current Biology<\/em><em> dergisinde yay\u0131mlad\u0131klar\u0131 \u00e7al\u0131\u015fma \u00e7\u0131kt\u0131lar\u0131 ile duyurdular.<\/em><\/p>\n<p><em>\u00a0<\/em>DeGennaro, yapt\u0131\u011f\u0131 a\u00e7\u0131klamada b\u00f6ceklerin kokular\u0131 alg\u0131lamak i\u00e7in kulland\u0131klar\u0131 sistemin \u00e7ok karma\u015f\u0131k oldu\u011funu ifade ederek bu sistemi \u015f\u00f6yle a\u00e7\u0131klad\u0131: Sivrisinekler \u00fc\u00e7 koku alg\u0131lay\u0131c\u0131 protein \u00fcretirler. Bu proteinler, havadaki kimyasallar\u0131 tan\u0131mlamak i\u00e7in \u00fcst \u00fcste binerek y\u0131\u011f\u0131nlar olu\u015fturma yetene\u011fine sahiptir. IR8a ise di\u011fer proteinlerin yan\u0131 s\u0131ra laktik aside duyarl\u0131 bir proteindir. Bir sivrisinek avlan\u0131rken de\u011fi\u015fen kimyasallardan gelen bilgileri kar\u0131\u015ft\u0131r\u0131r. Bu bilgiler \u0131s\u0131, nem ve g\u00f6r\u00fc\u015f\u00fc de i\u00e7erir. Ayr\u0131ca sivrisinekler, solunum s\u0131ras\u0131nda d\u0131\u015far\u0131 verdi\u011fimiz karbondioksiti de fark ederler.<\/p>\n<p><strong>Kaynak:<\/strong> https:\/\/www.sciencenewsforstudents.org\/article\/geneticists-get-closer-knowing-how-mosquitoes-sniff-out-our-sweat<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Yeni bir \u00e7al\u0131\u015fma sonucunda sivrisineklerin anteninde koku alg\u0131lay\u0131c\u0131 IR8a olarak adland\u0131r\u0131lan bir protein ke\u015ffedildi. Sivrisinek t\u00fcrlerinden biri olan Aedes aegypti, insan kan\u0131n\u0131 di\u011fer hayvanlar\u0131n kan\u0131na oranla daha \u00e7ok tercih eder. Ancak bu sivrisinek, Zika vir\u00fcs\u00fcn\u00fcn yay\u0131l\u0131m\u0131n\u0131 sa\u011flad\u0131\u011f\u0131 i\u00e7in bu tehlikeli hastal\u0131\u011f\u0131n g\u00f6r\u00fclme s\u0131kl\u0131\u011f\u0131n\u0131 art\u0131r\u0131r. Miami\u2019deki Florida \u00dcniversitesi\u2019nde \u00e7al\u0131\u015fan genetik\u00e7i Matthew DeGennaro, \u201cCildimiz ve cildimizde ya\u015fayan [&hellip;]<\/p>\n","protected":false},"author":1390,"featured_media":34313,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[19],"tags":[4850,1171,4849],"class_list":["post-34312","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bilim-gundemi","tag-aedes-aegypti","tag-protein","tag-sivrisinek"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/posts\/34312","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/users\/1390"}],"replies":[{"embeddable":true,"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/comments?post=34312"}],"version-history":[{"count":0,"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/posts\/34312\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/media\/34313"}],"wp:attachment":[{"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/media?parent=34312"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/categories?post=34312"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/tags?post=34312"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}