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ProteomicsGTSF1 accelerates target RNA cleavage by PIWI-clade Argonaute proteins
Mass Spectrometry data pertaining to manuscript entitled, "GTSF1 accelerates target RNA cleavage by PIWI-clade Argonaute proteins"
ORGANISM(S): Homo Sapiens (ncbitaxon:9606) 
2022-05-19 | MSV000089490 | MassIVE
TranscriptomicsArgonaute proteins couple chromatin silencing to alternative splicing
This SuperSeries is composed of the following subset Series: GSE39746: Argonaute proteins couple chromatin silencing to alternative splicing (exon array) GSE39748: Argonaute proteins couple chromatin silencing to alternative splicing (RNA IP-Seq) Refer to individual Series
ORGANISM(S): Mus musculus 
2012-08-22 | E-GEOD-39749 | biostudies-arrayexpress
TranscriptomicsSlicing-Independent RISC Activation Requires the Argonaute PAZ Domain
Small RNAs regulate the genetic networks through a ribonucleoprotein complex called the RNA induced silencing complexes (RISC), which in mammals contains at its center one of four Argonaute proteins (Ago1-4). A key regulatory event in the RNAi and miRNA pathways is Ago loading, where double stranded...
ORGANISM(S): Homo sapiens 
2012-07-12 | E-GEOD-39146 | biostudies-arrayexpress
TranscriptomicsThe structure of human Argonaute-2 in complex with miR-20a
Argonaute proteins lie at the heart of the RNA-Induced Silencing Complex (RISC), wherein they use small RNA guides to recognize targets. Some Argonaute proteins can directly cleave their targets, whereas others recruit co-factors to repress independently of “slicing.” Prior studies established the a...
ORGANISM(S): Spodoptera frugiperda 
2012-05-12 | E-GEOD-37931 | biostudies-arrayexpress
TranscriptomicsRNAi knock down of four Argonaute paralogs (AGO1, AGO2, PIWI and Aubergine) and the microRNA-processing enzyme Drosha in Drosophila
RNA silencing pathways are conserved gene regulation mechanisms that lead to degradation, translational repression or transcriptional silencing of target-transcripts selected based on complementarity with small RNA molecules. The fraction of the genome regulated by these pathways has not been establ...
ORGANISM(S): Drosophila melanogaster 
2006-11-20 | E-MEXP-295 | biostudies-arrayexpress
TranscriptomicsArgonaute proteins affect siRNA levels and accumulation of a novel extrachromosomal DNA from the Dictyostelium retrotransposon DIRS-1
We report on the function of the D. dictyostelium argonaute proteins AgnA and AgnB in the silencing mechanism of the retrotransposon DIRS-1. By deep sequencing analysis we found that AgnA is involved in the accumulation of DIRS-1 siRNAs since in respective knockout strains siRNAs are strongly reduce...
ORGANISM(S): Dictyostelium discoideum 
2014-12-04 | E-GEOD-56111 | biostudies-arrayexpress
TranscriptomicsArgonaute proteins couple chromatin silencing to alternative splicing (RNA IP-Seq)
While Argonaute (AGO) proteins play a major role in transcriptional gene silencing (TGS) in many organisms, their role in the nucleus of somatic mammalian cells remains elusive. Here, we have purified AGO1 and AGO2 chromatin-embedded complexes, and found these proteins associated with previously des...
ORGANISM(S): Homo sapiens 
2012-09-10 | E-GEOD-39748 | biostudies-arrayexpress
TranscriptomicsArgonaute proteins couple chromatin silencing to alternative splicing (exon array)
While Argonaute (AGO) proteins play a major role in transcriptional gene silencing (TGS) in many organisms, their role in the nucleus of somatic mammalian cells remains elusive. Here, we have purified AGO1 and AGO2 chromatin-embedded complexes, and found these proteins associated with previously des...
ORGANISM(S): Mus musculus 
2012-09-10 | E-GEOD-39746 | biostudies-arrayexpress
TranscriptomicsHierarchical rules for Argonaute loading in Drosophila
Drosophila Argonaute-1 and Argonaute-2 differ in function and small RNA content. AGO2 binds to siRNAs, whereas AGO1 is almost exclusively occupied by microRNAs. microRNA duplexes are intrinsically asymmetric, with one strand, the miR strand, preferentially entering AGO1 to recognize and regulate the...
ORGANISM(S): Drosophila melanogaster 
2009-11-15 | E-GEOD-17734 | biostudies-arrayexpress
TranscriptomicsArgonaute-1 binds transcriptional enhancers and controls constitutive and alternative splicing in human cells
The roles of Argonaute proteins in cytoplasmic miRNA and RNAi pathways are well established. However, their implication in small RNA-mediated transcriptional gene silencing in the mammalian cell nucleus is less understood. We have recently shown that intronic siRNAs cause chromatin modifications tha...
ORGANISM(S): Homo sapiens 
2014-09-29 | E-GEOD-56826 | biostudies-arrayexpress
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