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RiboFriend

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Deciphering co-translational protein folding, assembly and quality control pathw...

Deciphering co-translational protein folding, assembly and quality control pathways, in health and disease The majority of cellular proteins do not function alone; rather acting together to achieve concerted functions. Despite the prevalence of protein complexes, little is known of the mechanisms that ensure their correct folding and a... ver más

31/03/2027

TECHNION ISRAEL I...

1M€

Presupuesto del proyecto: 1M€

Líder del proyecto

TECHNION ISRAEL INSTITUTE OF TECHNOLOGY No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Fecha límite participación Sin fecha límite de participación.

Financiación concedida El organismo HORIZON EUROPE notifico la concesión del proyecto el día 2022-03-04

ERC-2021-STG: ERC STARTING GRANTS Scope:Objectives

I+D

Cerrada hace 3 años

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Información adicional privada

No hay información privada compartida para este proyecto. Habla con el coordinador.

1 Participantes

TECHNION ISRAEL INSTITUTE O...

1.41M€ | Lider

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Duración del proyecto: 60 meses Fecha Inicio: 2022-03-04
Fecha Fin: 2027-03-31

Líder del proyecto

TECHNION ISRAEL INSTITUTE OF TECHNOLOGY No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Presupuesto del proyecto 1M€

Fecha límite de participación Sin fecha límite de participación.

Descripción del proyecto The majority of cellular proteins do not function alone; rather acting together to achieve concerted functions. Despite the prevalence of protein complexes, little is known of the mechanisms that ensure their correct folding and assembly in the crowded cytoplasm. The importance of the folding challenge is underscored by the growing number of misfolding diseases, often characterized by aggregation of lonely, unassembled protein-subunits. At the critical intersection of synthesis and folding, the ribosome is emerging as a hub, guiding the polypeptide-chain interactions with targeting factors, modifying enzymes and folding chaperones. We have recently discovered that even the final step of folding, the assembly into complexes, is coordinated with translation. To capture co-translational events, in vivo, we developed a ribosome profiling approach. This approach revealed that emerging polypeptide-chains are constantly engaged by their partner subunits, protecting them from misfolding (Shiber et al., Nature 2018). However the mechanisms regulating co-translational assembly pathways remain largely obscure. In this proposal, we aim to elucidate co-translational protein folding and degradation mechanisms, in health and disease. We will: (i) Identify and characterize novel co-translational degradation pathways, by targeting ribosomes synthesizing misfolding-prone subunits. (ii) Elucidate the conformational, energetic and kinetic parameters directing folding and assembly, at the atomic level, by molecular dynamics (iii) Develop RiboFriend a single-molecule in vivo approach to elucidate the interplay of chaperones, degradation and assembly factors, during synthesis. Our collective preliminary results strongly support the feasibility of this proposal. The ability to capture co-translational folding and misfolding pathways, in single-molecule resolution can revolutionize our understanding of conformational diseases and the aging process, opening new horizons for therapy.

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