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Determine METTL16-mediated spatiotemoral installation of m6A via MeRIP-seq (m6A-seq) with nascent RNA and nuclear poly(A) RNA

ABSTRACT: Determine METTL16-mediated spatiotemoral installation of m6A via MeRIP-seq (m6A-seq) with nascent RNA and nuclear poly(A) RNA

PROVIDER: PRJNA659037 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR12510843.fastq.gz	Fastqsanger.gz
	SRR12510844.fastq.gz	Fastqsanger.gz
	SRR12510845.fastq.gz	Fastqsanger.gz
	SRR12510846.fastq.gz	Fastqsanger.gz
	SRR12510847.fastq.gz	Fastqsanger.gz

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Determine METTL16-mediated spatiotemoral installation of m6A via MeRIP-seq (m6A-seq) with nascent RNA and nuclear poly(A) RNA

Project description:METTL16 belong to methyltransferase like (METTL) family and possesses the ability to deposit N6-methyladenosine (m6A) in mRNA. We have conducted m6A-seq with poly(A) RNAs isolated from the whole HEK293T cells upon METTL16 knockdown to identify the transcripts with hypo m6A peaks after METTL16 knockdown, and also conducted RIP-seq with HEK293T cells to determine the METTL16-bound transcripts. However, we found that the transcripts with hypo m6A peaks upon METTL16 knockdown only account for a small proportion of METTL16-bound transcripts. We suppose one of the possibility reasons might be due to spatiotemporal installation of m6A. To support our hypothesis, we performed additional m6A seq with nascent RNA and nuclear poly(A) RNA isolated from HEK293T cells with METTL16 knockdown.

2021-10-28 | GSE156795 | GEO

Determine the methyltransferase activities of METTL3, METTL14, and METTL16 via MeRIP-seq (m6A-seq)

Project description:All the three enzymes, METTL3, METTL14, and METTL16, belong to methyltransferase like (METTL) family and possess the ability to deposit N6-methyladenosine (m6A) in mRNA. Via immunofluorescence staining and wertern blotting, we discovered either METTL3 or METTL14 mainly localize in nuclear, but METTL16 localizes in both cytosol and nuclei. To compare the m6A methyltransferase activities of the three m6A 'writers' and better understand their differences, MeRIP-seq (m6A-seq) was conducted with poly(A) RNAs isolaed from HEK293T cells with METTL3, 14 and 16 knockout.

2021-10-28 | GSE182607 | GEO

Determine the methyltransferase activities of METTL16 via MeRIP-seq (m6A-seq)

Project description:METTL16 belongs to methyltransferase like (METTL) family and could install m6A marks on its substrates. Here, we uncover a tumor-promoting role of METTL16 in AML and LSC self-renewal. To explore the mechanism underlying the oncogenic function of METTL16 in AML, we performed m6A-seq and RNA-seq. Via integrated analysis of m6A-seq data and RNA-seq data, we identified two bona fide targets of METTL16, BCAT1 and BCAT2. METTL16 functions as an m6A methyltransferase to regulate expression of BCAT1 and BCAT2, which contribute to reprogramming of BCAA metabolism.

2023-01-12 | GSE189995 | GEO

m6A meRIP-Seq from Ythdf2CTL pre-leukemic cells

Project description:The mRNA m6A reader YTHDF2 is overexpressed in a broad spectrum of human acute myeloid leukemias (AML). To understand the role of YTHDF2 in AML, we generated m6A meRIP-seq libraries form Ythdf2fl/fl (Ythdf2CTL) pre-leukemic cells.

2019-04-05 | E-MTAB-6791 | biostudies-arrayexpress

m6A meRIP-Seq from Ythdf2CKO pre-leukemic cells

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Determine the methyltransferase activities of METTL16 via MeRIP-seq (m6A-seq)

Project description:Determine the methyltransferase activities of METTL16 via MeRIP-seq (m6A-seq)

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Mettl16 promotes hematopoietic stem and progenitor cell expansion in embryonic hematopoiesis [m6A-Seq]

Project description:The RNA N6-methyladenosine (m6A) modification has emerged as an essential regulator of vertebrate embryogenesis and malignancies. However, its functions and underlying molecular mechanisms in the expansion of hematopoietic stem and progenitor cells (HSPCs) during early embryonic development remain elusive. Here we show that Mettl16, an RNA methyltransferase identified recently, is specifically required for HSPC expansion during zebrafish early embryonic development in an m6A-dependent manner. In mettl16 deficient embryos, HSPCs exhibit defective proliferation capacity due to G0/G1 arrest. Mechanistically, HSPC proliferation is blocked by impaired methyltransferase function of Mettl16 in vivo. We identify cell cycle gene mybl2b as a novel direct m6A target of Mettl16, and Mettl16 deficiency destabilizes mybl2b mRNA, which is mediated by m6A reader Igf2bp1. Moreover, we revealed that the METTL16-m6A-MYBL2-IGF2BP1 signaling axis in G1/S progression is conserved in humans. Collectively, our findings demonstrate the critical function of m6A modification deposited by Mettl16 in HSPC expansion during early embryonic development.

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m6A-meRIP sequencing

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Comprehensive role of Zfp217 in m6A methylation [MeRIP-seq]

Project description:Many transcriptional and epigenetic networks must be integrated to maintain self-renewal and pluripotency in embryonic stem cells (ESCs) and to enable induced pluripotent stem cell (iPSC) reprogramming. Here, we explore the role of Zfp217 as a key transcriptional factor in maintaining ES cell self-renewal by performing meRIP analysis in control and Zfp217-depleted mouse stem cells. Examination of m6A levels from total RNA in control and Zfp217 shRNA infected mouse stem cells

2015-10-30 | E-GEOD-65734 | biostudies-arrayexpress

Dynamic Control of Chromatin-associated m6A Methylation Regulates Nascent RNAs Stability [MeRIP]

Project description:N6-methyladenosine (m6A) has been shown to regulate various aspects of mRNA biology. Although m6A has been shown to be co-transcriptionally deposited in mRNA by the chromatin-bound methyltranferase METTL3, the precise role of METTL3 and the resulting m6A methylation remain incompletely understood. Here, we demonstrate that the nascent RNAs generated from enhancers and promoters are co-transcriptionally and dynamically regulated by the chromatin bound METTL3/14 methyltransferase complex, and the demethylase, ALKBH5. Importantly, nascent RNA m6A is recognized by the reader protein hnRNP G, which prevents access of the RNA endonuclease INTS11 and thus protects nascent RNA from inappropriate degradation. Our study thus reveals an important chromatin function of m6A in stabilizing the enhancer- and promoter-derived nascent RNAs, which function to promote transcription activation.

2022-02-25 | GSE196564 | GEO

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