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Neuro-UTR

Financiado

Mechanism and functional impact of ultra long 3 UTRs in the Drosophila nervous...

Mechanism and functional impact of ultra long 3 UTRs in the Drosophila nervous system Neurons employ cell-specific gene regulatory mechanisms. One particularly striking process is the recently discovered, drastic lengthening of the 3’ untranslated region (3’ UTR) of hundreds of genes, which occurs in neurons from f... ver más

31/12/2024

MPG

1M€

Presupuesto del proyecto: 1M€

Líder del proyecto

MAXPLANCKGESELLSCHAFT ZUR FORDERUNG DER WISSE... No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Ver 2 Participantes

Financiación concedida El organismo H2020 notifico la concesión del proyecto el día 2018-10-30

ERC-2018-STG: ERC Starting Grant

I+D

Cerrada hace 7 años

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2 Participantes

MPG

1.50M€ | Lider

PLASTICOS VANGUARDIA

177.39K€ | Participante

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Duración del proyecto: 74 meses Fecha Inicio: 2018-10-30
Fecha Fin: 2024-12-31

Líder del proyecto

MAXPLANCKGESELLSCHAFT ZUR FORDERUNG DER WISSE... No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Presupuesto del proyecto 1M€

Descripción del proyecto Neurons employ cell-specific gene regulatory mechanisms. One particularly striking process is the recently discovered, drastic lengthening of the 3’ untranslated region (3’ UTR) of hundreds of genes, which occurs in neurons from flies to humans. The function of the resulting ultra-long 3’ UTRs is unknown. RNA deregulation plays a central role in neurological diseases; to understand underlying causes, it is essential to study regulatory processes and define the function of these novel 3’ UTRs. In Drosophila, the neuronal RNA-binding protein ELAV is the main effector of nervous system specific 3’ UTR extension. ELAV’s association with the promoter region of its target genes is required for synthesis of alternative, ultra-long 3’ UTRs. The mechanistic framework of this novel and exciting link between transcription initiation and alternative 3’ end processing is not understood yet. We hypothesise that mRNAs carrying ultra-long 3’ UTRs create an important communication avenue between transcription regulation and synaptic function. In this proposal, we will study the regulation of ELAV-mediated 3’ UTR extension in a Drosophila model. First, we will provide mechanistic insight into the co-transcriptional processes that give rise to ultra-long 3’ UTRs. Employing genomics, proteomics and biochemistry, we will study the recruitment of ELAV at gene promoters and to nascent mRNA. Second, we will follow the journey of extended mRNAs from their site of synthesis to their destination using imaging, proteomics, and functional genetics. Finally, based on our unpublished results that 3’ UTR plasticity impacts neuronal function, we will analyse the role of ultra-long 3’ UTRs in memory, aging and disease. Our study will integrate the molecular mechanisms that govern biogenesis and function of ultra-long 3’ UTRs, from nucleus to synapse, in an animal model. The results of this research will create a major impact on our understanding of neuronal gene regulation in health and disease.

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