論文 - 詳細
| RRC ID | 6450 |
|---|---|
| 著者 | Gu W, Shirayama M, Conte D Jr, Vasale J, Batista PJ, Claycomb JM, Moresco JJ, Youngman EM, Keys J, Stoltz MJ, Chen CC, Chaves DA, Duan S, Kasschau KD, Fahlgren N, Yates JR 3rd, Mitani S, Carrington JC, Mello CC. |
| タイトル | Distinct argonaute-mediated 22G-RNA pathways direct genome surveillance in the C. elegans germline. |
| ジャーナル | Mol Cell |
| Abstract |
Endogenous small RNAs (endo-siRNAs) interact with Argonaute (AGO) proteins to mediate sequence-specific regulation of diverse biological processes. Here, we combine deep-sequencing and genetic approaches to explore the biogenesis and function of endo-siRNAs in C. elegans. We describe conditional alleles of the Dicer-related helicase, drh-3, that abrogate both RNA interference and the biogenesis of endo-siRNAs, called 22G-RNAs. DRH-3 is a core component of RNA-dependent RNA polymerase (RdRP) complexes essential for several distinct 22G-RNA systems. We show that, in the germline, one system is dependent on worm-specific AGOs, including WAGO-1, which localizes to germline nuage structures called P granules. WAGO-1 silences certain genes, transposons, pseudogenes, and cryptic loci. Finally, we demonstrate that components of the nonsense-mediated decay pathway function in at least one WAGO-mediated surveillance pathway. These findings broaden our understanding of the biogenesis and diversity of 22G-RNAs and suggest additional regulatory functions for small RNAs. |
| 巻・号 | 36(2) |
| ページ | 231-44 |
| 公開日 | 2009-10-23 |
| DOI | 10.1016/j.molcel.2009.09.020 |
| PII | S1097-2765(09)00678-9 |
| PMID | 19800275 |
| PMC | PMC2776052 |
| MeSH | Alleles Amino Acid Sequence Animals Caenorhabditis elegans / genetics* Caenorhabditis elegans Proteins / chemistry Caenorhabditis elegans Proteins / metabolism* Genome / genetics* Germ Cells / metabolism* Models, Genetic Molecular Sequence Data Phylogeny Protein Binding Protein Structure, Tertiary RNA Interference RNA, Helminth / metabolism* RNA, Messenger / genetics RNA, Messenger / metabolism RNA, Small Interfering / metabolism* RNA-Dependent RNA Polymerase / metabolism Sequence Analysis, RNA Temperature |
| IF | 15.584 |
| 引用数 | 232 |
| WOS 分野 | BIOCHEMISTRY & MOLECULAR BIOLOGY CELL BIOLOGY |
| オルトメトリクス指標 |
オルトメトリクス指標項目
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| 最多言及媒体 | Peer-review(Publons) |
| 各媒体での言及数の合計 | 12 |
| 過去6か月間でのオルトメトリクス指標の変動値 | 0.0 |
| リソース情報 | |
| 線虫 | tm1217 tm1120 tm1637 tm1019 tm2686 tm1113 tm1414 |