{"id":14389,"date":"2021-11-17T07:51:17","date_gmt":"2021-11-17T07:51:17","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=14389"},"modified":"2021-11-17T07:51:17","modified_gmt":"2021-11-17T07:51:17","slug":"hydra-regenerates-lost-heads-genetic-basis","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/tr\/science\/biology\/hydra-regenerates-lost-heads-genetic-basis\/","title":{"rendered":"Hidran\u0131n \u00d6l\u00fcms\u00fczl\u00fc\u011f\u00fc: Kay\u0131p Ba\u015flar\u0131 Yeniden B\u00fcy\u00fcten Hayvan"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Hidra: Kaybetti\u011fi Kafas\u0131n\u0131 Yeniden B\u00fcy\u00fctebilen \u00d6l\u00fcms\u00fcz Hayvan<\/h2>\n\n<h2 class=\"wp-block-heading\">Hidran\u0131n Benzersiz Yetene\u011fini Anlamak<\/h2>\n\n<p>Hidralar, ba\u015flar\u0131 da dahil olmak \u00fczere kaybolan v\u00fccut par\u00e7alar\u0131n\u0131 yenileyebilme gibi ola\u011fan\u00fcst\u00fc bir yetene\u011fe sahip, b\u00fcy\u00fcleyici tatl\u0131 su canl\u0131lar\u0131d\u0131r. Bu dikkat \u00e7ekici \u00f6zellik onlar\u0131 biyolojik olarak \u00f6l\u00fcms\u00fcz yapar, yani d\u0131\u015f fakt\u00f6rler taraf\u0131ndan \u00f6ld\u00fcr\u00fclmedik\u00e7e s\u00fcresiz ya\u015fayabilirler.<\/p>\n\n<p>Bilim insanlar\u0131 uzun zamand\u0131r hidran\u0131n yenileyici yetenekleriyle ilgilenmektedir ve son ara\u015ft\u0131rmalar bu yetene\u011fin ard\u0131ndaki genetik temeli ayd\u0131nlatm\u0131\u015ft\u0131r. \u00c7al\u0131\u015fmalar, hidra ba\u015f\u0131 yenilenmesinde rol oynayan 27.000&#8217;den fazla genetik element belirlemi\u015ftir.<\/p>\n\n<h2 class=\"wp-block-heading\">Yenilenme ve Tomurcuklanma \u0130\u00e7in Farkl\u0131 Genetik Talimatlar<\/h2>\n\n<p>\u0130lgin\u00e7 bir \u015fekilde, ara\u015ft\u0131rmac\u0131lar ba\u015f yenilenmesi i\u00e7in genetik talimatlar\u0131n, s\u00f6z konusu s\u00fcrece ba\u011fl\u0131 olarak de\u011fi\u015fti\u011fini ke\u015ffettiler. Hidralar, iki farkl\u0131 mekanizma yoluyla ba\u015flar\u0131 yenileyebilir:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Yaralanmadan sonra ba\u015f yenilenmesi:<\/strong> Bir hidra yaralanma nedeniyle ba\u015f\u0131n\u0131 kaybetti\u011finde, h\u00fccrelerin b\u00fcy\u00fcmesini ve yeni bir ba\u015f olu\u015fturmas\u0131n\u0131 y\u00f6nlendiren belirli bir genetik program\u0131 tetikler.<\/li>\n<li><strong>Tomurcuklanma:<\/strong> Hidra, v\u00fccuttan yeni bir polipin (temelde ebeveynin bir kopyas\u0131) b\u00fcy\u00fcd\u00fc\u011f\u00fc tomurcuklanma yoluyla da e\u015feysiz olarak \u00e7o\u011falabilir. Tomurcuklanma, ikinci bir ba\u015f\u0131n b\u00fcy\u00fcmesini gerektirir, ancak bununla ilgili genetik program, yaralanmadan sonra ba\u015f yenilenmesinden farkl\u0131d\u0131r.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Gen \u0130fadesinin Y\u00f6r\u00fcngesi<\/h2>\n\n<p>Gen ifadesinin y\u00f6r\u00fcngesi veya genlerin nas\u0131l a\u00e7\u0131l\u0131p kapat\u0131ld\u0131\u011f\u0131 modeli, ba\u015f yenilenmesinde ve tomurcuklanmada farkl\u0131l\u0131k g\u00f6sterir. Tomurcuklanmada gen ifadesi zaman i\u00e7inde yava\u015f ve s\u00fcrekli olarak artar. Bununla birlikte, yaralanmadan sonra ba\u015f yenilenmesinde gen ifadesinde keskin d\u00f6n\u00fc\u015fler olur. Bu, nihai sonucun (yeni bir ba\u015f) ayn\u0131 olmas\u0131na ra\u011fmen, ilgili genetik yollar\u0131n olduk\u00e7a farkl\u0131 oldu\u011funu d\u00fc\u015f\u00fcnd\u00fcrmektedir.<\/p>\n\n<h2 class=\"wp-block-heading\">\u0130nsan Geli\u015fimi \u0130\u00e7in Etkileri<\/h2>\n\n<p>Hidran\u0131n yenileyici yeteneklerinin ard\u0131ndaki genetik mekanizmalar\u0131 anlamak, insan geli\u015fimi i\u00e7in \u00f6nemli etkilere sahip olabilir. Hidran\u0131n kaybolan dokular\u0131 nas\u0131l yeniledi\u011fini inceleyerek, bilim insanlar\u0131 insan h\u00fccrelerinin hasarl\u0131 dokular\u0131 nas\u0131l onaraca\u011f\u0131na veya hatta kay\u0131p uzuvlar\u0131 nas\u0131l yeniden b\u00fcy\u00fctece\u011fine dair i\u00e7g\u00f6r\u00fcler edinmeyi ummaktad\u0131r.<\/p>\n\n<h2 class=\"wp-block-heading\">Bilim \u0130nsanlar\u0131 Birden Fazla Ba\u015f B\u00fcy\u00fctme \u015eablonundan \u015e\u00fcpheleniyor<\/h2>\n\n<p>Hidran\u0131n ba\u015f yeniden uzamas\u0131 i\u00e7in genetik talimatlar\u0131n\u0131n s\u00fcrece ba\u011fl\u0131 olarak de\u011fi\u015fti\u011fi ke\u015ffi, bilim insanlar\u0131n\u0131 bu hayvanlar\u0131n her s\u00fcre\u00e7 i\u00e7in tamamen farkl\u0131 bir ba\u015f b\u00fcy\u00fctme \u015fablonu k\u00fcmesine sahip olabilece\u011finden \u015f\u00fcphelenmeye y\u00f6neltmi\u015ftir. Bu, insanlarda doku yenilenmesi i\u00e7in potansiyel olarak yeni stratejiler ortaya \u00e7\u0131karabilecek heyecan verici bir ara\u015ft\u0131rma alan\u0131d\u0131r.<\/p>\n\n<h2 class=\"wp-block-heading\">Sonu\u00e7<\/h2>\n\n<p>Hidran\u0131n kay\u0131p ba\u015flar\u0131 yenileme yetene\u011fi, canl\u0131 organizmalar\u0131n inan\u0131lmaz karma\u015f\u0131kl\u0131\u011f\u0131n\u0131n ve uyum sa\u011flama kabiliyetinin bir kan\u0131t\u0131d\u0131r. Bilim insanlar\u0131 bu yetene\u011fin genetik temelini inceleyerek, doku yenilenmesinin ve geli\u015fiminin temel s\u00fcre\u00e7leri hakk\u0131nda de\u011ferli bilgiler edinmekte ve insan sa\u011fl\u0131\u011f\u0131 ve t\u0131bb\u0131 \u00fczerinde potansiyel etkilere sahip olmaktad\u0131r.<\/p>","protected":false},"excerpt":{"rendered":"<p>Hidra: Kaybetti\u011fi Kafas\u0131n\u0131 Yeniden B\u00fcy\u00fctebilen \u00d6l\u00fcms\u00fcz Hayvan Hidran\u0131n Benzersiz Yetene\u011fini Anlamak Hidralar, ba\u015flar\u0131 da dahil olmak \u00fczere kaybolan v\u00fccut par\u00e7alar\u0131n\u0131 yenileyebilme gibi ola\u011fan\u00fcst\u00fc bir yetene\u011fe sahip, b\u00fcy\u00fcleyici tatl\u0131 su canl\u0131lar\u0131d\u0131r.&hellip;<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[288],"tags":[356,5100,188,19333,19335,19334,666],"class_list":["post-14389","post","type-post","status-publish","format-standard","hentry","category-biology","tag-tissue-engineering","tag-developmental-biology","tag-genetics","tag-hydra","tag-immortal-animals","tag-regeneration","tag-life-science-art"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/posts\/14389","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\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/comments?post=14389"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/posts\/14389\/revisions"}],"predecessor-version":[{"id":14390,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/posts\/14389\/revisions\/14390"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/media?parent=14389"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/categories?post=14389"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/tags?post=14389"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}