探索酵母菌glycyl-tRNA synthetase基因的功能及演化;Exploring the Evolution and Function of Yeast Glycyl-tRNA Synthetase Genes

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Title:	探索酵母菌glycyl-tRNA synthetase基因的功能及演化;Exploring the Evolution and Function of Yeast Glycyl-tRNA Synthetase Genes
Authors:	王健家
Contributors:	生命科學系
Keywords:	雙重功能基因;誘導基因;分子演化;轉譯作用;酵母菌;胺醯化;aminoacylation;dual-functional gene;inducible gene;molecular evolution;pseudogene;yeast;生物科學;生物技術(理)
Date:	2016-03-29
Issue Date:	2016-03-30 09:51:49 (UTC+8)
Publisher:	科技部
Abstract:	Aminoacyl-tRNA synthetases (aaRSs)是一群必要的轉譯酵素，它會將胺基酸接到相對應的tRNA，形成的aminoacyl-tRNA接著被送至核醣體進行蛋白質合成。原核細胞內通常有二十個不同的aaRSs，每一個aaRS對應一種胺基酸；但是在真核細胞內則有二套不同的aaRSs (共四十個)，分別作用在細胞質及粒線體內，這二套aaRS通常只會辨認各自分隔間內的tRNA，因此功能上不能互相取代。不僅如此，辨認相同胺基酸的細胞質及粒線體aaRSs通常也是由二個不同的細胞核基因所解碼。以這;Aminoacyl-tRNA synthetases (aaRSs) are a family of essential translation enzymes, each of which catalyzes the coupling of a specific amino acid to its cognate tRNAs. The resultant aminoacyl-tRNAs are then delivered to ribosomes for protein translation. Ty;研究期間：10408~10507
Relation:	財團法人國家實驗研究院科技政策研究與資訊中心
Appears in Collections:	[Department of Life Science] Research Project

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