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ABSTRACT: Genes affected upon dsRNA knockdown treatment for nbr/CG9247 in Drosophila DL1 cells and small RNA profiling in Drosophila wild-type and nbr[f02257] mutants

PROVIDER: PRJNA147121 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR351332.fastq.gz	Fastqsanger.gz
	SRR351333.fastq.gz	Fastqsanger.gz

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Similar Datasets

Genes affected upon dsRNA knockdown treatment for nbr/CG9247 in Drosophila DL1 cells and small RNA profiling in Drosophila wild-type and nbr[f02257] mutants

Project description:This SuperSeries is composed of the following subset Series: GSE32683: Genes affected upon dsRNA knockdown treatment for nbr/CG9247 in Drosophila DL1 cells GSE32684: Small RNA profiling in Drosophila wild-type and nbr[f02257] mutants Refer to individual Series

2011-11-01 | E-GEOD-32564 | biostudies-arrayexpress

Genes affected upon dsRNA knockdown treatment for nbr/CG9247 in Drosophila DL1 cells

Project description:nbr/CG9247 gene function regulates the length of the 3'end of miRNAs. Such 3'end heterogeneity of miRNAs may impact miRNA target gene silencing. To address this, we performed microarray analysis for genes altered upon nbr knockdown in Drosophila DL1 cells. This approach revealed a subset of genes upregulated upon nbr knockdown. Five independent replicates of DL1 cells treated with control (dsRNA to renilla) or nbr (dsRNA RNA to nbr/CG9247) were collected 5 days after dsRNA bathing. Total RNA from from each replicate was extracted using TRIzol reagent (Invitrogen). A portion of total RNA for each replicate was used to confirm the effect of nbr knockdown on one of the nbr-dependent miRNAs, miR-34, by small RNA northern.

2011-11-01 | E-GEOD-32683 | biostudies-arrayexpress

Drosophila melanogaster

Project description:Genes affected upon dsRNA knockdown treatment for nbr/CG9247 in Drosophila DL1 cells

| PRJNA154375 | ENA

Genes affected upon dsRNA knockdown treatment for nbr/CG9247 in Drosophila DL1 cells

2011-11-01 | GSE32683 | GEO

Small RNA profiling in Drosophila wild-type and nbr[f02257] mutants

2011-11-01 | GSE32684 | GEO

Small RNA profiling in Drosophila wild-type and nbr[f02257] mutants

Project description:nbr/CG9247 gene regulates 3'end heterogeneity of a subset of miRNAs. It is not clear how broad this effect is on small RNA population. To address this, we compared small RNA population in wild-type and tmr[f02257] mutants. This approach identified more miRNAs whose 3'end heterogeneity was affected in nbr[f02257] mutants. 2-3 day old control (w homogeneous strain Bloomington stock center 5905) and nbr[f02257] null mutant flies were collected. nbr[f02257] line was in the homogenous (Bloomington stock center stock 5905) background through a minimum of 5 backcrosses. Total RNA from whole flies was extracted using TRIzol reagent (Invitrogen). 40ug of total RNA from each genotype was used for small RNA library preparation with Small RNA Sample Prep kit (v1.5) (Illumina).

2011-11-01 | E-GEOD-32684 | biostudies-arrayexpress

Effect of Nbr on the length of piRNAs and endo-siRNAs in Drosophila

2015-02-02 | GSE50055 | GEO

Drosophila melanogaster

Project description:Small RNA profiling in Drosophila wild-type and nbr[f02257] mutants

| PRJNA154377 | ENA

High throughput sequencing of small RNAs from Drosophila cells infected with a panel of viruses

Project description:We report the cloning and sequencing of both endogenous small RNAs and virus-derived siRNAs produced by the antiviral RNAi pathway in Drosophila. We find that a diverse panel of viruses are targeted by the RNAi pathway in Drosophila to produce abundant virus-derived siRNAs, and these siRNAs map to various locations within the viral genomes. Knockdown of various RNAi and miRNA pathway components alters the levels of these viral small RNAs. Drosophila DL1 cells were treated with dsRNA for 3 days to deplete factors involved in the antiviral RNAi pathway and miRNA pathway, then were challenged with one of four viruses for 4 days. Total RNA was collected, and the small RNA populations from 15-29 nt were cloned and sequenced.

2013-01-01 | E-GEOD-43031 | biostudies-arrayexpress

Effect of Nbr on the length of piRNAs and endo-siRNAs in Drosophila

Project description:nbr/CG9247 gene regulates the length of a subset of miRNAs. It is not clear whether Nbr affects the length of other classes of small RNAs, such as piRNAs and endo-siRNAs. To address this, we compared small RNA population in wild-type, Df(2L)BSC312/+, nbr null (nbrf02257/Df(2L)BSC312), (nbr null; pCaSper-nbr (WT)), and (nbr null; pCaSper-nbr (D435A,E437A)). This approach revealed that, in addition to miRNAs, piRNAs and endo-siRNAs were also affected in their length in nbr null and nbr null; pCaSper-nbr (D435A,E437A). 4-7d ovaries were dissected in PBS, and 40ug total RNA was prepared from wild-type, Df(2L)BSC312/+, nbr null (nbrf02257/Df(2L)BSC312), (nbr null; pCaSper-nbr (WT)), and (nbr null; pCaSper-nbr (D435A,E437A)), using Trizol Reagent (#15596-018, Life Technologies, Carlsbad, CA) following the manufacturer's protocol. The small RNAs between ~16 to ~29 nt in size were purified from 15% TBE-urea gel (#EC6885BOX, Life Technologies, Carlsbad, CA). Small RNA libraries were prepared using Illumina's TruSeq small RNA sample preparation kit (#RS-200-0012, Illumina, Inc. San Diego, CA), following the manufacturer's protocol The libraries were sequenced on HiSeq2000 platform (Illumina).

2015-02-02 | E-GEOD-50055 | biostudies-arrayexpress

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