{"id":229836,"date":"2025-09-03T07:03:24","date_gmt":"2025-09-03T03:03:24","guid":{"rendered":""},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-29T20:00:00","slug":"","status":"publish","type":"post","link":"https:\/\/ucnoqta.az\/?p=229836","title":{"rendered":"4 milyard il \u0259vv\u0259l h\u0259yat\u0131n yaranmas\u0131n\u0131n kritik an\u0131"},"content":{"rendered":"

Aliml\u0259r dörd milyard ild\u0259n çox \u0259vv\u0259l Yerd\u0259 h\u0259yat\u0131n yaranmas\u0131na s\u0259b\u0259b ola bil\u0259c\u0259k prosesi laboratoriyada simulyasiya etm\u0259y\u0259 müv\u0259ff\u0259q olublar. Kimyaç\u0131lar g\u0259nc planetin \u015f\u0259rtl\u0259rini t\u0259krar istehsal etdil\u0259r v\u0259 RNT molekullar\u0131n\u0131n amin tur\u015fular\u0131na kort\u0259bii ba\u011flanmas\u0131na nail oldular. Bu m\u0259rh\u0259l\u0259 ilk canl\u0131 orqanizml\u0259rin \u0259m\u0259l\u0259 g\u0259lm\u0259sin\u0259 s\u0259b\u0259b olan hadis\u0259l\u0259r z\u0259ncirinin \u0259sas h\u0259lq\u0259si hesab olunur. <\/strong><\/p>\n

Ucnoqta.az x\u0259b\u0259r verir ki, n\u0259tic\u0259l\u0259r Nature jurnal\u0131nda d\u0259rc olunub.
\nMüasir h\u0259yat ribosomun RNT-d\u0259n g\u0259l\u0259n t\u0259limatlar\u0131 oxudu\u011fu v\u0259 amin tur\u015fular\u0131n\u0131n z\u0259ncirl\u0259rini y\u0131\u011fd\u0131\u011f\u0131 mür\u0259kk\u0259b zülal sintez sistemin\u0259 \u0259saslan\u0131r. London Universitet Kollecind\u0259n t\u0259dqiqatç\u0131 Metyu Pouner izah etdi ki, onun komandas\u0131 bu prosesin birinci hiss\u0259sini neytral pH il\u0259 suda sad\u0259 kimy\u0259vi reaksiyadan istifad\u0259 ed\u0259r\u0259k h\u0259yata keçir\u0259 bildi. Bu cür reaksiya t\u0259bii olaraq erk\u0259n Yerd\u0259 ba\u015f ver\u0259 bil\u0259rdi.<\/p>\n

"RNT dünyas\u0131" f\u0259rziyy\u0259si var, ona gör\u0259 d\u0259 m\u0259hz bu molekul kimy\u0259vi reaksiyalar\u0131 kataliz etm\u0259y\u0259 qadir olan ilk özünü t\u0259krarlayan element oldu. Lakin zülallar\u0131n \u0259m\u0259l\u0259 g\u0259lm\u0259si üçün amin tur\u015fular\u0131 il\u0259 birl\u0259\u015fm\u0259 t\u0259l\u0259b olunurdu v\u0259 son vaxtlara q\u0259d\u0259r bunun t\u0259bii \u015f\u0259raitd\u0259 nec\u0259 ba\u015f ver\u0259 bil\u0259c\u0259yi ayd\u0131n deyildi.<\/p>\n

Cyoti Sinqhin r\u0259hb\u0259rlik etdiyi komanda tioefird\u0259n vasit\u0259çi kimi istifad\u0259 etdi – t\u0259rkibind\u0259 karbon, oksigen, hidrogen v\u0259 kükürd olan reaktiv birl\u0259\u015fm\u0259. Bu madd\u0259l\u0259r “ibtidai \u015forba” adlanan yerd\u0259 geni\u015f yay\u0131lm\u0131\u015f ola bil\u0259rdi v\u0259 b\u0259zi t\u0259dqiqatç\u0131lar\u0131n fikrinc\u0259, RNT meydana g\u0259lm\u0259zd\u0259n \u0259vv\u0259l enerji m\u0259nb\u0259yi rolunu oynam\u0131\u015flar. T\u0259crüb\u0259 göst\u0259rdi ki, amin tur\u015fular\u0131n\u0131n<\/p>\n

RNT-y\u0259 ba\u011flanmas\u0131 üçün laz\u0131m olan enerjini m\u0259hz tioefir t\u0259min edir v\u0259 bu, çoxdan gözl\u0259nil\u0259n bir ir\u0259lil\u0259yi\u015fdir.
\nBel\u0259likl\u0259, \u0259s\u0259r h\u0259yat\u0131n m\u0259n\u015f\u0259yi il\u0259 ba\u011fl\u0131 iki apar\u0131c\u0131 konsepsiyan\u0131 – "RNT dünyas\u0131" v\u0259 "tioeter dünyas\u0131"n\u0131 birl\u0259\u015fdirdi. Aliml\u0259r vur\u011fulay\u0131rlar ki, prosesin tam ba\u015fa dü\u015fülm\u0259si h\u0259l\u0259 çox uzaqdad\u0131r, lakin \u0259ld\u0259 edil\u0259n m\u0259lumatlar RNT molekullar\u0131n\u0131n amin tur\u015fular\u0131 il\u0259 selektiv birl\u0259\u015fm\u0259sin\u0259 imkan ver\u0259n, g\u0259l\u0259c\u0259k genetik kodun \u0259sas\u0131n\u0131 qoyan mexanizmin mövcudlu\u011funun mümkünlüyünü göst\u0259rir.<\/p>\n

Sinqin sözl\u0259rin\u0259 gör\u0259, g\u0259l\u0259c\u0259kd\u0259 kimyaç\u0131lar öz-özün\u0259 çoxalma\u011fa qadir olan sad\u0259 molekullardan strukturlar y\u0131\u011fma\u011f\u0131 öyr\u0259n\u0259 bil\u0259rl\u0259r. Bu n\u0259tic\u0259 Yerd\u0259ki h\u0259yat\u0131n m\u0259n\u015f\u0259yinin ayd\u0131nla\u015fd\u0131r\u0131lmas\u0131 istiqam\u0259tind\u0259 böyük bir add\u0131m olacaq.<\/p>\n","protected":false},"excerpt":{"rendered":"

Aliml\u0259r dörd milyard ild\u0259n çox \u0259vv\u0259l Yerd\u0259 h\u0259yat\u0131n yaranmas\u0131na s\u0259b\u0259b ola bil\u0259c\u0259k prosesi laboratoriyada simulyasiya etm\u0259y\u0259 müv\u0259ff\u0259q olublar. Kimyaç\u0131lar g\u0259nc planetin \u015f\u0259rtl\u0259rini t\u0259krar istehsal etdil\u0259r v\u0259 RNT molekullar\u0131n\u0131n amin tur\u015fular\u0131na…<\/p>\n","protected":false},"author":1,"featured_media":251278,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[97],"tags":[],"class_list":["post-229836","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-maraqli"],"_links":{"self":[{"href":"https:\/\/ucnoqta.az\/index.php?rest_route=\/wp\/v2\/posts\/229836","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ucnoqta.az\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ucnoqta.az\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ucnoqta.az\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ucnoqta.az\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=229836"}],"version-history":[{"count":0,"href":"https:\/\/ucnoqta.az\/index.php?rest_route=\/wp\/v2\/posts\/229836\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ucnoqta.az\/index.php?rest_route=\/wp\/v2\/media\/251278"}],"wp:attachment":[{"href":"https:\/\/ucnoqta.az\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=229836"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ucnoqta.az\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=229836"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ucnoqta.az\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=229836"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}