Unknown,Transcriptomics,Genomics,Proteomics

Dataset Information

0

The Caenorhabditis elegans RDE-10/RDE-11 complex regulates RNAi by promoting secondary siRNA amplification

ABSTRACT: From a forward genetic screen for C. elegans genes required for RNAi, we identified rde-10 and through proteomic analysis of RDE-10-interacting proteins, we identified a protein complex containing the new RNAi factor RDE-11, the known RNAi factors RSD-2 and ERGO-1, as well as other candidate RNAi factors. The newly identified RNAi defective genes rde-10 and rde-11 encode a novel protein and a RING-type zinc finger domain protein, respectively. Mutations in rde-10 and rde-11 genes cause dosage-sensitive RNAi deficiencies: these mutants are resistant to low dosage, but sensitive to high dosage of double-stranded RNAs. We assessed the roles of rde-10, rde-11, and the dosage-sensitive RNAi defective genes rsd-2, rsd-6 and haf-6 in both exogenous and endogenous small RNA pathways using high-throughput sequencing and qRT-PCR. These genes are required for the accumulation of secondary siRNAs in both exogenous and endogenous RNAi pathways. Small RNA analysis by deep sequencing in various wild type and mutant C. elegans strains.

ORGANISM(S): Caenorhabditis elegans

SUBMITTER: Taiowa Montgomery 

PROVIDER: E-GEOD-37083 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

Json Xml
altmetric image

Publications

The Caenorhabditis elegans RDE-10/RDE-11 complex regulates RNAi by promoting secondary siRNA amplification.

Zhang Chi C   Montgomery Taiowa A TA   Fischer Sylvia E J SE   Garcia Susana M D A SM   Riedel Christian G CG   Fahlgren Noah N   Sullivan Christopher M CM   Carrington James C JC   Ruvkun Gary G  

Current biology : CB 20120426 10

<h4>Background</h4>In nematodes, plants, and fungi, RNAi is remarkably potent and persistent due to the amplification of initial silencing signals by RNA-dependent RNA polymerases (RdRPs). In Caenorhabditis elegans (C. elegans), the interaction between the RNA-induced silencing complex (RISC) loaded with primary small interfering RNAs (siRNAs) and the target messenger RNA (mRNA) leads to the recruitment of RdRPs and synthesis of secondary siRNAs using the target mRNA as the template. The mechani  ...[more]

Similar Datasets

Genomics The Caenorhabditis elegans RDE-10/RDE-11 complex regulates RNAi by promoting secondary siRNA amplification
2012-04-07 | GSE37083 | GEO
Transcriptomics The RDE-10/RDE-11 complex triggers RNAi induced mRNA degradation by association with target mRNA in C. elegans
2012-04-25 | E-GEOD-36494 | biostudies-arrayexpress
Transcriptomics The DEAD box helicase RDE-12 promotes amplification of RNAi in cytoplasmic foci in C. elegans
2014-03-27 | E-GEOD-53830 | biostudies-arrayexpress
Genomics The RDE-10/RDE-11 complex triggers RNAi induced mRNA degradation by association with target mRNA in C. elegans
2012-04-26 | GSE36494 | GEO
Genomics The DEAD box helicase RDE-12 promotes amplification of RNAi in cytoplasmic foci in C. elegans
2014-03-27 | GSE53830 | GEO
Transcriptomics Transcription profiling of C.elegans RNAi defective mutants of rde-1 and rde-4
2009-03-03 | E-MEXP-956 | biostudies-arrayexpress
Genomics The Vasa homolog RDE-12 engages target mRNA and a secondary-Argonaute WAGO-1 to promote RNAi in C. elegans
2014-06-24 | GSE54396 | GEO
Transcriptomics The Vasa homolog RDE-12 engages target mRNA and a secondary-Argonaute WAGO-1 to promote RNAi in C. elegans
2014-06-24 | E-GEOD-54396 | biostudies-arrayexpress
Genomics Caenorhabditis elegans
| PRJNA158125 | ENA
Genomics The hrde-1 mutation suppresses the rde-11 and sid-1 sRNA upregulation phenotype of meg-3 meg-4 mutants
2019-07-23 | GSE134629 | GEO