Visualisation of translation initiation reaction on single mRNA molecules in viv...
Visualisation of translation initiation reaction on single mRNA molecules in vivo
Translation initiation is a key step in the regulation of protein synthesis and is regulated by at least 12 different initiation factors in eukaryotes (eIFs). However, the underlying dynamics of this process remain unclear. I prop...
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Información proyecto smTI
Duración del proyecto: 25 meses
Fecha Inicio: 2021-03-03
Fecha Fin: 2023-04-30
Fecha límite de participación
Sin fecha límite de participación.
Descripción del proyecto
Translation initiation is a key step in the regulation of protein synthesis and is regulated by at least 12 different initiation factors in eukaryotes (eIFs). However, the underlying dynamics of this process remain unclear. I propose to develop a single-molecule live-cell imaging method that can be broadly applied to study the dynamics of translation initiation on individual mRNAs in human cells. The aim of the project is to visualise the binding and release of eIFs and ribosomal subunits on single mRNA molecules in real-time during translation initiation. This method, combined with imaging the synthesis of a nascent polypeptide on a single mRNA, will address the role of dynamic eIFs assembly in heterogeneous mRNA translation events, such as translational bursting and start site selection. The project will uncover the real-time dynamics of translation initiation, reveal the key mechanism of translation regulation, and provide a powerful and generally applicable method to study translation initiation and other RNA-binding protein interactions with mRNAs. The project will be developed with a leading research group for translation imaging. I introduce single-molecule imaging techniques that would facilitate new research in the group and enable transfer of ideas. The project will expand my research experience, skills, and professional networks, thereby enhancing my career development as an independent researcher.