YTHDF2 irCLIP-seq
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA422164 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR6367671.fastq.gz | Fastqsanger.gz | |||
| SRR6367672.fastq.gz | Fastqsanger.gz | |||
| SRR6367673.fastq.gz | Fastqsanger.gz |
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Project description:We performed irCLIP-seq to determine the mRNA targets of YTHDF2 in mouse hematopoietic progenitor cell line HPC-7
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Project description:we performed infrared crosslinking immunoprecipitation followed by sequencing (irCLIP-seq) (Zarnegar et al., 2016) for Rbm15 to directly map its binding sites on RNA. As a principle of concept, the cells were engineered to simultaneously express emGFP-Rbm15 and Xist RNA together, as Rbm15 strongly interacts with Xist A-repeat to deposit the m6A methylation downstream. Cross-linking induced truncation site (CITS or RT stops) is the main signature occurring at our irCLIP-seq datasets. RNA meta-profile plot against normalized transcripts shows that these CITSs reside across the transcript, with 2 main peaks in transcript starts and near the stop-codon regions, in agreement with the RBM15/15B binding profile in human cells (Patil et al., 2016).Motif analysis against CITSs revealed that Rbm15 binding sites prefer U-rich stretches, namely 3 or 4 consecutive Us. This is also true for crosslinking induced mutations (CIMS).
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Project description:The mRNA m6A reader YTHDF2 is overexpressed in a broad spectrum of human acute myeloid leukemias (AML). To study the role of YTHDF2 on mRNA decay rates in leukemia, c-Kit+ cells from foetal livers of Ythdf2fl/fl; Vav-iCre (Ythdf2CKO) and Ythdf2fl/fl (Ythdf2CTL) 14.5 dpc embryos were transduced with Meis1 and Hoxa9 oncogenes and serially re-plated to generate pre-leukemic cells. Medium with 4SU was used for pre-leukemic cells labelling for 12 hours and was later replaced with 4SU-free medium (time 0). Cells were collected immediately after medium change and at 1, 3 and 9 hours for library generation. RNA from Ythdf2CKO (n=3 biological replicates) and Ythdf2CTL (n=3 biological replicates) pre-leukemic cells were used for SLAM-seq library generation.
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Project description:To fine-map the position of lnc-CCTT that directly interact with CENP-C, we performed irCLIP-seq (infrared crosslingking and immunoprecipitation followed by high throughput RNA sequencing), which utilize ultraviolet (UV) light to induce zero-length covalent bonds between RNA and the directly attached protein and an infrared-dye-conjugated and biotinylated ligation adaptor to isolate RNA fragments. irCLIP-seq identified a possible CENP-C binding region of lnc-CCTT ranging from nucleotides 127-177nt.
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Project description:YTHDF2 is overexpressed in a broad spectrum of human acute myeloid leukemias (AML). To study the role of YTHDF2 on translation regulation in leukemia, c-Kit+ cells from foetal livers of Ythdf2fl/fl; Vav-iCre (Ythdf2CKO) and Ythdf2fl/fl (Ythdf2CTL) 14.5 dpc embryos were transduced with Meis1 and Hoxa9 oncogenes and serially re-plated to generate pre-leukemic cells. RIBO-seq libraries were then prepared from Ythdf2CKO (n=3) and Ythdf2CTL (n=3) pre-leukemic cells.
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Project description:Identify m6A modified residues by m6A-irCLIP in polyA selected RNA from mouse CD4+ T cells
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Project description:To identify the target mRNAs of the m6A reader protein YTHDF2, we carired out anti YTHDF2 RNA Immunoprecipitation (RIP) followed by RNA-sequencencing. Using EZ-Magna RIP™ RNA-Binding Protein Immunoprecipitation Kit (Millipore), RNA from P0 wild type mouse retinas was pulled down by rabbit polyclonal anti-YTHDF2 (proteintech) and then sequenced on Illumina HiSeq3000 platform. The filtered reads were mapped to the mouse reference genome (GRCm38) using STAR v2.5 with default parameters. The resulting bam files were fed to HTSeq tool to count the number of RNA-seq reads, which was further normalized to calculate FPKM. To determine which gene is enriched, we computed the FPKM from RIP elute to input and any fold change greater than 2 was considered enriched. Finally, Biological replicates of anti-YTHDF2 RIP-Seq identified 1639 transcripts. This study provides a gene list which shows mRNA binding with YTHDF2 in mouse retina.
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Project description:To study the role of the protein YTHDF2 during female gametogenesis, its gene was conditionally deleted in oocytes. Total RNA samples from YTHDF2 deficient GV and MII oocytes (and control oocytes) were subjected to array profiling.
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Project description:To identify the target mRNAs of the m6A reader protein YTHDF2 in mouse hippocampus, we carired out anti YTHDF2 RNA Immunoprecipitation (RIP) followed by RNA-sequencencing. Using EZ-Magna RIP™ RNA-Binding Protein Immunoprecipitation Kit (Millipore), RNA from P40 wild type mouse hippocampus was pulled down by rabbit polyclonal anti-YTHDF2 (proteintech) and then sequenced on Illumina Novaseq 6000. The filtered reads were aligned to the mouse reference genome (GRCm38) using BWA mem (v 0.7.12).Then the MACS2 (version 2.1.0) peak calling software was used to identify regions of IP enrichment over background, followed by the motif detected by Homer (Heinz et al., 2010). Peak related genes are then confirmed by PeakAnnotator. Different peak analysis was based on the fold enrichment of peaks of different experiments. A peak was determined as different peak when the odds ratio between two groups was more than 2. Using the same method, genes associated with different peaks were identified. Finally, Biological replicates of anti-YTHDF2 RIP-Seq identified 408 mRNAs transcripts. This study provides gene lists which shows mRNA binding with YTHDF2 in mouse hippocampus.
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