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Distinct N6-methyladenosine (m6A) Regulation of Innate Immune Responses During Bacterial Infections II

ABSTRACT: Distinct N6-methyladenosine (m6A) Regulation of Innate Immune Responses During Bacterial Infections II

PROVIDER: PRJNA804131 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR17914000_1.fastq.gz	Fastqsanger.gz
	SRR17914000_2.fastq.gz	Fastqsanger.gz
	SRR17914002_1.fastq.gz	Fastqsanger.gz
	SRR17914002_2.fastq.gz	Fastqsanger.gz
	SRR17914004_1.fastq.gz	Fastqsanger.gz

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Distinct N6-methyladenosine (m6A) Regulation of Innate Immune Responses During Bacterial and Viral Infections I

Project description:N6-methyladenosine (m6A) is a dynamic post-transcriptional RNA modification influencing all aspects of mRNA biology. Here, we examined cellular m6A epitranscriptomes during infections of herpes simplex virus type 1 (HSV-1) and lipopolysaccharide (LPS) stimulation to identify m6A-regulated innate immune response genes. We showed that a significant portion of cellular genes including many innate immune response genes underwent m6A modifications in 5’UTR and 3’UTR, from which we identified common and distinct m6A-modified genes under different stimulating conditions.

2022-03-21 | GSE196269 | GEO

Distinct N6-methyladenosine (m6A) Regulation of Innate Immune Responses During Bacterial Infections II

Project description:N6-methyladenosine (m6A) is a dynamic post-transcriptional RNA modification influencing all aspects of mRNA biology. Here, we examined cellular m6A epitranscriptomes during P.aeruginosa infection to identify m6A-regulated innate immune response genes with or without ALKBH5 knockdown. We showed that a significant portion of cellular genes including many innate immune response genes underwent m6A modifications in 5’UTR and 3’UTR, from which we identified common and distinct m6A-modified genes under different stimulating conditions.

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Distinct N6-methyladenosine (m6A) Regulation of Innate Immune Responses During Bacterial and Viral Infections

Project description:Distinct N6-methyladenosine (m6A) Regulation of Innate Immune Responses During Bacterial and Viral Infections

| PRJNA804128 | ENA

Distinct N6-methyladenosine (m6A) Regulation of Innate Immune Responses During Bacterial and Viral Infections I

Project description:Distinct N6-methyladenosine (m6A) Regulation of Innate Immune Responses During Bacterial and Viral Infections I

| PRJNA804132 | ENA

N6-methyladenosine Modulates Messenger RNA Translation Efficiency

Project description:N6-methyladenosine (m6A) is the most abundant internal messenger (mRNA) modification in mammalian mRNA. This modification is reversible and non-stoichiometric, which potentially adds an additional layer of variety and dynamic control of mRNA metabolism. The m6A-modified mRNA can be selectively recognized by the YTH family “reader” proteins. The preferential binding of m6A-containing mRNA by YTHDF2 is known to reduce the stability of the target transcripts; however, the exact effects of m6A on translation has yet to be elucidated. Here we show that another m6A reader protein, YTHDF1, promotes ribosome loading of its target transcripts. YTHDF1 forms a complex with translation initiation factors to elevate the translation efficiency of its bound mRNA. In a unified mechanism of translation control through m6A, the YTHDF2-mediated decay controls the lifetime of target transcripts; whereas, the YTHDF1-based translation promotion increases the translation efficiency to ensure effective protein production from relatively short-lived transcripts that are marked by m6A. PAR-CLIP and RIP was used to identify YTHDF1 binding sites followed by ribosome profling and RNA seq to assess the consequences of YTHDF1 siRNA knock-down

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YTHDF3 improves translation initiation of mRNAs with N6-methyladenosine methylation at 5’ untranslated region by facilitating eIF2AK2 recruitment in oxaliplatin-resistant colorectal cancer - RIP-seq dataset

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Widespread N6-methyladenosine-dependent RNA Structural Switches Regulate RNA-Protein Interactions

Project description:We show that N6-methyladenosine (m6A), the most abundant internal modification in mRNA/lncRNA with still poorly characterized function, alters RNA structure to facilitate the access of RBM for heterogeneous nuclear ribonucleoprotein C (hnRNP C). We term this mechanism m6A-switch. Through combining PAR-CLIP with Me-RIP, we identify 39,060 m6A-switches among hnRNP C binding sites transcriptome-wide. We show that m6A-methyltransferases METTL3 or METTL14 knockdown decreases hnRNP C binding at 16,582 m6A-switches. Taken together, 2,798 m6A-switches of high confidence are identified to mediate RNA-hnRNP C interactions and affect diverse biological processes including cell cycle regulation. These findings reveal the biological importance of m6A and provide insights into the sophisticated regulation of RNA-RBP interactions through m6A-induced RNA structural remodeling. Measure the m6A methylated hnRNP C binding sites transcriptome-wide by PARCLIP-MeRIP; measure the differential hnRNP C occupancies upon METTL3/METTL14 knockdown by PAR-CLIP; measure RNA abundance and splicing level changes upon HNRNPC, METTL3 and METTL14 knockdown

2015-02-27 | E-GEOD-56010 | biostudies-arrayexpress

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Project description:We conducted an analysis of N6-methyladenosine (m6A) modifications in HEK (primary human epidermal keratinocytes). The primary aim of this investigation was to establish a molecular framework elucidating the role of m6A modifications in modulating the functional of keratinocytes.

2024-08-20 | GSE269500 | GEO

N6-methyladenosine (m6A) profiling of mouse liver

Project description:N6-methyladenosine (m6A) profiling of mouse liver

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N6-methyladenosine (m6A) profiling in 60 YRI LCLs

Project description:N6-methyladenosine (m6A), the most abundant messenger RNA (mRNA) modification, has emerged as a critical post-transcriptional mechanism that regulates various aspect of mRNA metabolism including pre-mRNA processing, mRNA export, mRNA stability and translation efficiency. However the genetics basis of m6A is largely unexplored. In this work, we mapped m6A-QTLs in 60 LCLs and used the resulting tens of thousands of QTLs to provide insights to m6A biology and its contribution to human complex trait.

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