翻訳と辞書 Words near each other ・ RNA helicase database ・ RNA hydrolysis ・ RNA integrity number ・ RNA interference ・ RNA journal ・ RNA ligase (ATP) ・ RNA modification ・ RNA modification database ・ RNA of unknown function ・ RNA polymerase ・ RNA polymerase I ・ RNA polymerase II ・ RNA polymerase II holoenzyme ・ RNA polymerase II subunit B4 ・ RNA polymerase III ・ RNA polymerase IV ・ RNA polymerase V ・ RNA recognition motif ・ RNA silencing ・ RNA spike-in ・ RNA splicing ・ RNA thermometer ・ RNA Tie Club ・ RNA transfection ・ RNA triphosphatase ・ RNA uridylyltransferase ・ RNA virus ・ RNA world ・ RNA-3'-phosphate cyclase ・ RNA-based evolution Dictionary Lists mini英和辞書 mini和英辞書 Webster 1913 Latin-English FOLDOC Wikipedia English ウィキペディア

翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク RNA polymerase IV ： ウィキペディア英語版 RNA polymerase IV RNA polymerase IV is an enzyme which synthesizes small interfering RNA (siRNA) in plants. Polymerase IV is specific to plants genomes and is required for the synthesis of over 90% of 24-nt heterochromatic siRNA. ==Function== RNA polymerase silences the transposons and repetitive DNA in the siRNA pathway.〔 The siRNA plays a major role in defending the genome against the invading viruses and transposable elements by RNA directed DNA methylation. 〔 Polymerase IV and ROS1 demethylase unlocks and recondenses the 5S rDNA chromatin, which is present in seed and used for the development of adult features in plants. Polymerase IV is involved in setting the methylation patterns in the 5S genes during plant maturation. 〔 In arabidopsis polymerase IV works with binding protein DCL3 and a RNA polymerase II RDR2 in a silencing pathway which Polymerase IV would produce RNA, which is changed to dsRNA by RDR2 then converted to siRNA by DCL3.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「RNA polymerase IV」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.