Editing independent effects of ADARs on the miRNA/siRNA pathways.

Editing independent effects of ADARs on the miRNA/siRNA pathways.
复制标题

DOI:
10.1038/emboj.2009.244
复制
发表时间:
2009-10-21
期刊:
影响因子:
11.4
通讯作者:
O'Connell, Mary A.
O'Connell, Mary A.
中科院分区:
生物学1区
文献类型:
--
作者:
Heale, Bret S. E.;Keegan, Liam P.;McGurk, Leeanne;Michlewski, Gracjan;Brindle, James;Stanton, Chloe M.;Caceres, Javier F.;O'Connell, Mary A.

文献摘要

参考文献

被引文献

相似文献

作用于RNA的腺苷脱氨酶(ADAR)最为人所知的是通过RNA编辑改变mRNA的编码序列,如在GluR-B Q/R位点。ADAR还显示通过将特异性腺苷脱氨为肌苷来影响RNA干扰(RNAi)和microRNA加工。在这里,我们表明,阿达尔蛋白可以影响RNA加工独立的酶活性。我们发现ADAR 2可以独立于催化RNA编辑活性调节mir-376 a2的加工。此外,在果蝇的RNAi脱氨酶活性测定中,ADAR 1通过siRNA途径抑制RNAi。这些结果意味着ADAR 1和ADAR 2具有作为RNA结合蛋白的生物学功能,这些功能超出了编辑本身,甚至基因组编码的无催化活性的ADARs也可能具有这种功能。
Adenosine deaminases acting on RNA (ADARs) are best known for altering the coding sequences of mRNA through RNA editing, as in the GluR-B Q/R site. ADARs have also been shown to affect RNA interference (RNAi) and microRNA processing by deamination of specific adenosines to inosine. Here, we show that ADAR proteins can affect RNA processing independently of their enzymatic activity. We show that ADAR2 can modulate the processing of mir-376a2 independently of catalytic RNA editing activity. In addition, in a Drosophila assay for RNAi deaminase-inactive ADAR1 inhibits RNAi through the siRNA pathway. These results imply that ADAR1 and ADAR2 have biological functions as RNA-binding proteins that extend beyond editing per se and that even genomically encoded ADARs that are catalytically inactive may have such functions.
DOI: 10.1017/s1355838200000200
发表时间: 2000-05-01
期刊: RNA
影响因子: 4.5
作者:
Öhman, M;Källman, AM;Bass, BL
通讯作者: Bass, BL
DOI: 10.1111/j.1365-2133.2006.07133.x
发表时间: 2006-04-01
影响因子: 10.3
作者:
Liu, Q;Jiang, L;Zhang, X
通讯作者: Zhang, X
DOI: 10.1074/jbc.271.50.31795
发表时间: 1996-12-13
影响因子: 4.8
作者:
Melcher, T;Maas, S;Seeburg, PH
通讯作者: Seeburg, PH
DOI: 10.1242/jcs.00371
发表时间: 2003-05-01
影响因子: 4
作者:
Desterro, JMP;Keegan, LR;Carmo-Fonseca, M
通讯作者: Carmo-Fonseca, M
DOI: 10.1186/gb-2006-7-4-r27
发表时间: 2006
期刊: Genome biology
影响因子: 12.3
作者:
Blow MJ;Grocock RJ;van Dongen S;Enright AJ;Dicks E;Futreal PA;Wooster R;Stratton MR
通讯作者: Stratton MR