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RNA polymerase V : ウィキペディア英語版 | RNA polymerase V RNA polymerase V is a multisubunit plant specific RNA polymerase found in nucleus. Together with RNA polymerase IV required for normal function and biogenesis of small interferring RNA (siRNA). Pol V is involved in siRNA-directed DNA methylation pathway which leads to heterochromatic silencing.〔Wierzbicki A,Haag J and Pikaard CS (2008). Noncoding transcription by RNA Polymerase Pol IVb/Pol V mediates transcriptional silencing of overlapping and adjacent genes. Cell 135:635-648.〕 RNA polymerase V is composed of 12 subunits that are paralogous to RNA polymerase II subunits. Two largest subunits (catalytic site) is the most conserved region sharing similarity with eukaryotic and bacterial polymerases. ==References==
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 V」の詳細全文を読む
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