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Recruitment of the m6A/Am demethylase FTO to target RNAs by the telomeric zinc finger protein ZBTB48 [RNA-seq]

ABSTRACT: Recruitment of the m6A/Am demethylase FTO to target RNAs by the telomeric zinc finger protein ZBTB48 [RNA-seq]

PROVIDER: PRJNA950444 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR24030118_1.fastq.gz	Fastqsanger.gz
	SRR24030118_2.fastq.gz	Fastqsanger.gz
	SRR24030119_1.fastq.gz	Fastqsanger.gz
	SRR24030119_2.fastq.gz	Fastqsanger.gz
	SRR24030120_1.fastq.gz	Fastqsanger.gz

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Recruitment of the m6A/Am demethylase FTO to target RNAs by the telomeric zinc finger protein ZBTB48 [iCLIP-seq]

Project description:Fat mass and obesity-associated protein (FTO) can remove both the N6-methyladenosine (m6A) and N6, 2′-O-dimethyladenosine (m6Am) methylation marks that function in multiple aspects of posttranscriptional regulation. Here, we demonstrate that Zbtb48, a C2H2-zinc finger protein that functions in telomere maintenance, associates with FTO and binds both mRNA and the telomere-associated regulatory RNA TERRA to regulate the functional interactions of FTO with target transcripts. Specifically, depletion of Zbtb48 affects targeting of FTO to sites of m6A/m6Am modification, changes cellular m6A/m6Am levels and, consequently, alters decay rates of target RNAs. Zbtb48 ablation also accelerates growth of HCT-116 colorectal cancer cells and modulates FTO-dependent regulation of Metastasis-associated protein 1 (MTA1) transcripts by controlling the binding to MTA1 mRNA of the m6A reader IGF2BP2. Our findings thus uncover a previously unknown mechanism of posttranscriptional regulation in which Zbtb48 co-ordinates RNA-binding of the m6A/m6Am demethylase FTO to control expression of its target RNAs.

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Recruitment of the m6A/Am demethylase FTO to target RNAs by the telomeric zinc finger protein ZBTB48 [RNA-seq]

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Recruitment of the m6A/Am demethylase FTO to target RNAs by the telomeric zinc finger protein ZBTB48 [ChIP-seq]

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Recruitment of the m6A/Am demethylase FTO to target RNAs by the telomeric zinc finger protein ZBTB48

Project description:Recruitment of the m6A/Am demethylase FTO to target RNAs by the telomeric zinc finger protein ZBTB48

| PRJNA950436 | ENA

Recruitment of the m6A/Am demethylase FTO to target RNAs by the telomeric zinc finger protein ZBTB48 [iCLIP-seq]

Project description:Recruitment of the m6A/Am demethylase FTO to target RNAs by the telomeric zinc finger protein ZBTB48 [iCLIP-seq]

| PRJNA950446 | ENA

Recruitment of the m6A/Am demethylase FTO to target RNAs by the telomeric zinc finger protein ZBTB48 [ChIP-seq]

Project description:Recruitment of the m6A/Am demethylase FTO to target RNAs by the telomeric zinc finger protein ZBTB48 [ChIP-seq]

| PRJNA950445 | ENA

Recruitment of the m6A/Am demethylase FTO to target RNAs by the telomeric zinc finger protein ZBTB48

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

2024-08-26 | GSE228608 | GEO

ZBTB48 is both a vertebrate telomere-binding protein and a transcriptional activator

Project description:Telomeres constitute the ends of linear chromosomes and together with the shelterin complex form a structure essential for genome maintenance and stability. In addition to the constitutive binding of the shelterin complex, other direct, yet more transient interactions are mediated by the CST complex and HOT1, while subtelomeric variant repeats are recognized by NR2C/F transcription factors. Recently, the Kruppel-like zinc finger protein ZBTB48 has been described as a novel telomere-associated factor in the vertebrate lineage. Here, we show that ZBTB48 binds directly both to telomeric as well as to subtelomeric variant repeat sequences. ZBTB48 is found at telomeres of human cancer cells regardless of the mode of telomere maintenance and it acts as a negative regulator of telomere length. In addition to its telomeric function, we demonstrate through a combination of RNAseq, ChIPseq and expression proteomics experiments that ZBTB48 acts as a transcriptional activator on a small set of target genes, including mitochondrial fission process 1 (MTFP1). This discovery places ZBTB48 at the interface of telomere length regulation, transcriptional control and mitochondrial metabolism.

2017-05-11 | PXD006074 | Pride

ZBTB48 is both a vertebrate telomere-binding protein and a transcriptional activator [RNA-seq]

Project description:Here we show that ZBTB48 binds directly both to telomeric as well as to subtelomeric variant repeat sequences. ZBTB48 is found at telomeres of human cancer cells regardless of the mode of telomere maintenance and it acts as a negative regulator of telomere length. In addition to its telomeric function, we demonstrate through a combination of RNAseq, ChIPseq and expression proteomics experiments that ZBTB48 acts as a transcriptional activator on a small set of target genes, including mitochondrial fission process 1 (MTFP1). This discovery places ZBTB48 at the interface of telomere length regulation, transcriptional control and mitochondrial metabolism.

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ZBTB48 is both a vertebrate telomere-binding protein and a transcriptional activator [ChIP-seq]

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