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Ago1-bound short RNAs in HeLaS3 cell line

ABSTRACT: Ago1-bound short RNAs in HeLaS3 cell line

PROVIDER: PRJEB5031 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	ERR377682.fastq.gz	Fastqsanger.gz
	ERR377683.fastq.gz	Fastqsanger.gz
	ERR377684.fastq.gz	Fastqsanger.gz

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Ago1-bound short RNAs in HeLaS3 cell line

Project description:Characterization of AGO1 bound short RNAs from nuclear extracts of HeLaS3 cell line. Nuclei were isolated from HeLaS3 cells; a fraction of Nuclear lysates was harvsted and sequenced as the input samples. The rest of nuclear lysates were immunoprecipitated using AGO1 monoclonal antibodies or Isotype matched IgG. Following immunoprecipitation, RNA was extracted from AGO1 or control IgG IP for short RNA sequencing. Two independent biological replicates were carried out.

2015-05-17 | E-MTAB-2129 | biostudies-arrayexpress

Ago2-bound short RNAs in HeLaS3 cell line

Project description:Ago2-bound short RNAs in HeLaS3 cell line

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Ago2-bound short RNAs in HeLaS3 cell line

Project description:Characterization of AGO2 bound short RNAs from nuclear extracts of HeLaS3 cell line. Nuclei were isolated from HeLaS3 cells; a fraction of Nuclear lysates was harvsted and sequenced as the 'input' samples. The rest of nuclear lysates were Immunoprecipitated using AGO2 monoclonal antibodies or Isotype matched IgG. Following immunoprecipitation, RNA was extracted from AGO2 or control IgG IP for short RNA sequencing. Two independent biological replicates were carried out.

2015-05-17 | E-MTAB-2084 | biostudies-arrayexpress

AGO2 bound short RNAs in Jurkat cell line

Project description:AGO2 bound short RNAs in Jurkat cell line

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Genome-wide maps of AGO1-bound small RNA in Arabidopsis leaves

Project description:We report flg22 regulate the accumulation of AGO1-bound small RNA in arabidopsis. We find that a number of miRNAs are up- or down-regulated by flg22, a well-studied PAMP. Examination of AGO1-bound small RNAs with or without flg22 treatment.

2010-02-25 | E-GEOD-20448 | biostudies-arrayexpress

AGO2 bound short RNAs in Jurkat cell line

Project description:Characterization of AGO2 bound short RNAs from nuclear extracts of Jurkat cell line. Nuclei were isolated from cells; a fraction of Nuclear lysates was harvested and sequenced as the input samples. The rest of nuclear lysates were Immunoprecipitated using AGO2 monoclonal antibodies or Isotype matched IgG. Following immunoprecipitation, RNA was extracted from AGO2 or control IgG IP for short RNA sequencing. Two independent biological replicates were carried out.

2015-05-17 | E-MTAB-2104 | biostudies-arrayexpress

Identifying Zmat3-bound RNAs

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Genome-wide maps of AGO1-bound small RNA in Arabidopsis leaves

Project description:We report flg22 regulate the accumulation of AGO1-bound small RNA in arabidopsis. We find that a number of miRNAs are up- or down-regulated by flg22, a well-studied PAMP.

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Farnesylated Heat Shock Protein 40 is a component of membrane-bound RISC in Arabidopsis

Project description:ARGONAUTE1 (AGO1) binds directly to small regulatory RNA and is a key effector protein of post-transcriptional gene silencing mediated by microRNA (miRNA) and small interfering RNA (siRNA). The formation of an RNA induced silencing complex (RISC) of AGO1 and small RNA requires the function of the Heat Shock Protein 70/90 chaperone system. Some functions of AGO1 occur in association with endomembranes, in particular the rough endoplasmic reticulum (rER), but proteins interacting with AGO1 in membrane fractions remain unidentified. In this study, we show that the farnesylated Heat Shock Protein 40 homologs, J2 and J3, associate with AGO1 in membrane fractions in a manner that involves protein farnesylation. We also show that three changes in AGO1 function are detectable in mutants in protein farnesylation and J2/J3. First, perturbations of the HSP40/70/90 pathway by mutation of j3, hsp90 and farnesyl transferase affect the amounts of AGO1 associated with membranes. Second, miRNA association with membrane-bound AGO1, and with membrane-bound polysomes is increased in farnesyl transferase and farnesylationdeficient J2/J3 mutants. Third, silencing by non-cell autonomously acting short interfering RNAs (siRNAs) is impaired. These observations highlight the involvement of farnesylated J2/J3 in small RNA-mediated gene regulation, and suggest that the importance of chaperone-AGO1 interaction is not limited to the RISC assembly process.

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