{"id":36202,"date":"2019-08-23T03:20:56","date_gmt":"2019-08-23T00:20:56","guid":{"rendered":"https:\/\/bilimvegelecek.com.tr\/?p=36202"},"modified":"2019-08-19T17:38:51","modified_gmt":"2019-08-19T14:38:51","slug":"bitkilerde-fotosentez-hizinin-arttirilmasi-bitki-uretiminde-artisa-neden-olabilir","status":"publish","type":"post","link":"https:\/\/bilimvegelecek.com.tr\/index.php\/2019\/08\/23\/bitkilerde-fotosentez-hizinin-arttirilmasi-bitki-uretiminde-artisa-neden-olabilir","title":{"rendered":"Bitkilerde fotosentez h\u0131z\u0131n\u0131n artt\u0131r\u0131lmas\u0131, bitki \u00fcretiminde art\u0131\u015fa neden olabilir"},"content":{"rendered":"

Avustralya ve \u0130ngiltere\u2019de \u00e7al\u0131\u015fma y\u00fcr\u00fcten biliminsanlar\u0131, baz\u0131 bitkilerde fotosentezi h\u0131zland\u0131rarak \u00fcretimin art\u0131r\u0131labilece\u011fini ortaya koydu. \u00c7al\u0131\u015fmaya g\u00f6re, m\u0131s\u0131r ve bir t\u00fcr bu\u011fday olan sorgum gibi bitkilerin \u00fcretimini art\u0131rman\u0131n yolu bitkilerin fotosentez h\u0131zlar\u0131n\u0131n art\u0131r\u0131lmas\u0131ndan ge\u00e7iyor.<\/p>\n

Elektronlar\u0131n ak\u0131\u015f h\u0131zlar\u0131n\u0131 kontrol eden bir protein olan Rieske FeS\u2019in \u00fcretimin art\u0131r\u0131lmas\u0131n\u0131n fotosentez h\u0131z\u0131na etki edece\u011fini ifade eden biliminsanlar\u0131, bu varsay\u0131ma ili\u015fkin deneylerdefotosentez h\u0131zlar\u0131n\u0131n y\u00fczde 10 oran\u0131nda artt\u0131\u011f\u0131n\u0131 g\u00f6zlemledi. Avustralya\u2019da fotosentez \u00fczerine ara\u015ft\u0131rmalar\u0131n yap\u0131ld\u0131\u011f\u0131 bir merkezde \u00e7al\u0131\u015fma y\u00fcr\u00fcten Maria Ermakova, \u201cBu protein elektron aktar\u0131m\u0131 ile g\u00f6revli bir komplekse aittir, bu nedenle buradaki enerji bu kompleks taraf\u0131ndan kullan\u0131larak \u00fcretimde art\u0131\u015f sa\u011flanabilir\u201d a\u00e7\u0131klamalar\u0131nda bulunuyor.<\/p>\n

\"\"
\u00c7al\u0131\u015fmada kullan\u0131lan Rieske proteininin \u00fc\u00e7 boyutlu g\u00f6r\u00fcnt\u00fcs\u00fc<\/figcaption><\/figure>\n

\u00c7al\u0131\u015fmaya ili\u015fkin bulgular, Communications Biology dergisinde yay\u0131nland\u0131. Avustralyal\u0131 ara\u015ft\u0131rmac\u0131lar, \u0130ngiltere\u2019de bulunan Essex \u00dcniversitesi\u2019nden biliminsanlar\u0131 ile birlikte y\u00fcr\u00fctt\u00fckleri \u00e7al\u0131\u015fma sonucunda uluslar aras\u0131 bir proje \u00fcreterek \u00fcr\u00fcn verimlili\u011fini art\u0131ran bir ara\u015ft\u0131rmaya imza att\u0131. Ara\u015ft\u0131rmac\u0131lar, \u00e7al\u0131\u015fma kapsam\u0131nda C4 fotosentezi yapan m\u0131s\u0131r ve sorgum gibi bitkiler ile C3 fotosentezi yapan bu\u011fday, pirin\u00e7 gibi bitkilerin kullan\u0131ld\u0131\u011f\u0131n\u0131 belirtiyorlar. (C3 ve C4 isimlendirmesi, fotosentez yoluyla ilk olarak \u00fc\u00e7 veya d\u00f6rt karbonlu bile\u015fi\u011fin \u00fcretilmesiyle ilgilidir.)<\/p>\n

\u00c7al\u0131\u015fman\u0131n oda\u011f\u0131nda olan protein, \u00f6zellikle de C4 fotosentezi yapan bitkilerin yeti\u015ftikleri ortamlarda y\u00fcksek bir i\u015flev g\u00f6sterir. Fotosenteze y\u00f6nelik olarak \u00e7al\u0131\u015fmalar\u0131n yap\u0131ld\u0131\u011f\u0131 merkezden Susanne von Caemmerer, \u201cBitkilerdeki elektron ta\u015f\u0131n\u0131m h\u0131z\u0131n\u0131n y\u00fckseltilmesinin, C4 modellerinde fotosentezi artt\u0131rd\u0131\u011f\u0131n\u0131 g\u00f6zlemledik. Bu \u00e7al\u0131\u015fma yoluyla C4 fotosentezinin nas\u0131l \u00e7al\u0131\u015ft\u0131\u011f\u0131 hakk\u0131nda daha fazla \u015fey \u00f6\u011frenme imk\u00e2n\u0131m\u0131z da oldu\u201d a\u00e7\u0131klamalar\u0131nda bulundu ve ekledi: \u201c\u0130lerleyen \u00e7al\u0131\u015fmalardaki esas ama\u00e7, bu \u00f6zelli\u011fin bir g\u0131da mahsul\u00fcnde kullan\u0131lmas\u0131 olacak. B\u00f6ylelikle \u00f6zelli\u011fin biyok\u00fctle \u00fczerindeki etkisi de test edilmi\u015f olacak.\u201d<\/p>\n

Kaynak:<\/strong> https:\/\/cosmosmagazine.com\/biology\/for-faster-photosynthesis-add-more-protein<\/p>\n","protected":false},"excerpt":{"rendered":"

Avustralya ve \u0130ngiltere\u2019de \u00e7al\u0131\u015fma y\u00fcr\u00fcten biliminsanlar\u0131, baz\u0131 bitkilerde fotosentezi h\u0131zland\u0131rarak \u00fcretimin art\u0131r\u0131labilece\u011fini ortaya koydu. \u00c7al\u0131\u015fmaya g\u00f6re, m\u0131s\u0131r ve bir t\u00fcr bu\u011fday olan sorgum gibi bitkilerin \u00fcretimini art\u0131rman\u0131n yolu bitkilerin fotosentez h\u0131zlar\u0131n\u0131n art\u0131r\u0131lmas\u0131ndan ge\u00e7iyor. Elektronlar\u0131n ak\u0131\u015f h\u0131zlar\u0131n\u0131 kontrol eden bir protein olan Rieske FeS\u2019in \u00fcretimin art\u0131r\u0131lmas\u0131n\u0131n fotosentez h\u0131z\u0131na etki edece\u011fini ifade eden biliminsanlar\u0131, bu varsay\u0131ma ili\u015fkin […]<\/p>\n","protected":false},"author":1390,"featured_media":36204,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[19],"tags":[645,3087,1712,294,1856],"class_list":["post-36202","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bilim-gundemi","tag-bitki","tag-calisma","tag-fotosentez","tag-gida","tag-uretim"],"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