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Zc3h13/Flacc is required for adenosine methylation by bridging the mRNA binding factor Rbm15/Spenito to other components of the m6A machinery

ABSTRACT: Zc3h13/Flacc is required for adenosine methylation by bridging the mRNA binding factor Rbm15/Spenito to other components of the m6A machinery

PROVIDER: PRJNA417452 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR6263730.fastq.gz	Fastqsanger.gz
	SRR6263731.fastq.gz	Fastqsanger.gz
	SRR6263732.fastq.gz	Fastqsanger.gz
	SRR6263733.fastq.gz	Fastqsanger.gz
	SRR6263734.fastq.gz	Fastqsanger.gz

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Zc3h13/Flacc is required for adenosine methylation by bridging the mRNA binding factor Rbm15/Spenito to other components of the m6A machinery

Project description:Zc3h13/Flacc is required for adenosine methylation by bridging the mRNA binding factor Rbm15/Spenito to other components of the m6A machinery

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Zc3h13/Flacc is required for adenosine methylation by bridging the mRNA binding factor Rbm15/Spenito to other components of the m6A machinery

Project description:N6-methyladenosine (m6A) is an abundant RNA modification in eukaryotes, playing crucial roles in multiple biological processes. m6A is catalyzed by the activity of Mettl3, which depends on additional proteins whose precise functions remain poorly understood. Here we identified Flacc/Zc3h13 as a novel interactor of m6A methyltransferase complex components in Drosophila and mouse. Like other components, Flacc controls m6A levels and is involved in sex determination in Drosophila. We demonstrate that Flacc promotes the recruitment of the methyltransferase to mRNA by bridging Fl(2)d to the mRNA binding factor Spenito. Altogether, our work advances our molecular understanding of conservation and regulation of the m6A machinery.

2018-12-20 | PXD008111 | Pride

Zc3h13/Flacc is required for adenosine methylation by bridging the mRNA binding factor Rbm15/Spenito to other components of the m6A machinery

Project description:m6A is catalyzed by the activity of Mettl3, which depends on additional proteins whose precise functions remain poorly understood. Here we identified Zc3h13 as a novel interactor of m6A methyltransferase complex components in mouse. Like other components of this complex, Zc3h13 controls m6A levels.

2018-12-04 | GSE106613 | GEO

RNA-Sequencing of Control KD and KD for Ime4-dMettl14, Fl(2)d, Vir, Nito, CG7358 in S2R+ cells

2018-12-04 | GSE105900 | GEO

Hakai is required for stabilizing core components of the m6A mRNA methylation machinery

Project description:Hakai is required for stabilizing core components of the m6A mRNA methylation machinery

| PRJNA666156 | ENA

Zc3h13/Flacc is required for adenosine methylation by bridging the mRNA binding factor Rbm15/Spenito to other components of the m6A machinery

Project description:This SuperSeries is composed of the SubSeries listed below.

2018-12-04 | GSE106614 | GEO

Hakai is required for stabilizing core components of the m6A mRNA methylation machinery

Project description:N6-methyladenosine RNA (m6A) is the most abundant internal modification on mRNA which influences most steps of mRNA metabolism and is involved in several biological functions, including circadian clock, metabolism and embryonic stem cell differentiation. The E3 ubiquitin ligase Hakai was previously found in complex with components of the m6A methylation machinery in plants and mammalian cells but its precise function remained to be investigated. Here we show that Hakai is a conserved component of the methyltransferase complex in Drosophila. Its depletion results in reduced m6A levels and altered m6A-dependent functions including sex determination. We show that its ubiquitination domain is required for dimerisation and interaction with other members of the m6A machinery, while its catalytic activity seems dispensable. Finally, we demonstrate that the loss of Hakai destabilizes the level of several subunits of the methyltransferase complex, resulting in impaired m6A deposition. Thus, our work adds new functional and molecular insights into the mechanism of the m6A mRNA writer complex.

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Transcriptomic modulation by adenosine 2A receptors in normal and endotoxemic myocardium

Project description:Analysis of venticular myocardium from adenosine 2A receptors (A2AR) knockouts following LPS stimulation. Results provide insight into the molecular components of A2AR mediated protection, but also reveal pathogenetic components of endotoxemic myocarditis as a result of LPS exposure. These findings demonstrate that intrinsic A2AR activity exerts limited transcriptional effects in unstressed heart, modifying G-coupled cAMP/PKA signal paths. LPS-dependent injury and dysfunction is associated with profound up-regulation of inflammatory/immune processes, fibrotic and cell death paths, and NF-kB, Erk/MAPK and JAK/Stat signaling, with shifts in multiple determinants of cardiac contraction and survival. Intrinsic A2AR activity modulates key aspects of these inflammatory responses, involving MAPK, JAK/Stat and NF-kB signaling Total RNA obtained from adenosine 2A receptor knockout or wild-type murine ventricular myocardium that were treated for 24 hours with either saline or lipopolysaccharide (n=4/group).

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The SPOC domain is a phosphoserine binding module that bridges transcription machinery with co- and post-transcriptional regulators - ChIP-seq

Project description:The heptarepeats of the C-terminal domain of Pol II are extensively modified throughout the transcription cycle. The CTD coordinates RNA synthesis and processing by recruiting transcription regulation factors as well as RNA capping, splicing and 3’end processing factors. The SPOC domain of PHF3 was recently identified as a new CTD reader domain specifically binding to phosphorylated Serine-2 residues in adjacent CTD repeats. Here, we establish the SPOC domains of the human proteins DIDO, SHARP and RBM15 as phosphoserine binding modules that can act as CTD readers but also recognize other phosphorylated binding partners. We report the crystal structure of SHARP (SPEN) SPOC-CTD and identify the molecular determinants for its specific binding to phosphorylated Serine-5. PHF3 and DIDO SPOC domains preferentially interact with the Pol II elongation complex, while RBM15 and SHARP SPOC domains engage with the m6A writer and reader proteins. Our findings establish the SPOC domain as a major interface between the transcription machinery and regulators of transcription and co-transcriptional processes. Here we include ChIP seq data from SHARP and PHF3 with and without the SPOC domain.

2023-02-22 | E-MTAB-11506 | biostudies-arrayexpress

Adenosine induced gene expression

Project description:Adenosine induced gene expression

| PRJNA891699 | ENA