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Regulation of mRNA translation and subcellular location controls protein synthesis of key modulators of the DNA damage response during B cell activation

ABSTRACT: This SuperSeries is composed of the SubSeries listed below.

ORGANISM(S): Mus musculus

PROVIDER: GSE93576 | GEO | 2017/09/13

SECONDARY ACCESSION(S): PRJNA361161

REPOSITORIES: GEO

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Regulation of mRNA translation and subcellular location controls protein synthesis of key modulators of the DNA damage response during B cell activation [PolyRiboSeq]

Project description:Post-transcriptional regulation of cellular mRNA is essential for protein synthesis. Here we describe the importance of mRNA translational repression and mRNA subcellular location for protein expression during B lymphocyte activation and the DNA damage response. Cytoplasmic RNA granules are formed upon cell activation with mitogens, including stress granules that contain the RNA binding protein Tia1. Tia1 binds to a subset of transcripts involved in cell stress, including p53 mRNA, and controls translational silencing and RNA granule localization. DNA damage promotes mRNA relocation and translation in part due to dissociation of Tia1 from its mRNA targets. Upon DNA damage, p53 mRNA is released from stress granules and associates with polyribosomes to increase protein synthesis. Global analysis of cellular mRNA abundance and translation indicates that this is an extended ATM-dependent mechanism to increase protein expression of key modulators of the DNA damage response.

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Regulation of mRNA translation and subcellular location controls protein synthesis of key modulators of the DNA damage response during B cell activation [RNA-seq]

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Regulation of mRNA translation and subcellular location controls protein synthesis of key modulators of the DNA damage response during B cell activation [CLIP-seq]

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Regulation of mRNA translation and subcellular location controls protein synthesis of key modulators of the DNA damage response during B cell activation

Project description:Regulation of mRNA translation and subcellular location controls protein synthesis of key modulators of the DNA damage response during B cell activation

| PRJNA361161 | ENA