Red-light-controlled protein-RNA crosslinking with a genetically encoded furan

Area of Science:

• Biochemistry
• Molecular Biology
• Biotechnology

Background:

• Protein-RNA interactions are crucial for cellular functions.
• Mapping transient interactions remains a significant challenge in molecular biology.
• Current methods for studying protein-RNA interactions have limitations in depth and specificity.

Purpose of the Study:

• To develop a novel, genetically encoded crosslinking system for protein-RNA interactions.
• To enable the study of protein-RNA interactions at high penetration depths within biological samples.
• To facilitate the design of new therapeutic strategies targeting RNA.

Main Methods:

• Genetic encoding of a novel protein-RNA crosslinker.
• Utilizing red light for spatiotemporal control of crosslinking.
• Application in biological materials to map protein-RNA interactions.

Main Results:

• Successful genetic encoding of a red-light-controlled protein-RNA crosslinker.
• Demonstrated high penetration depths in biological materials.
• Enabled discovery and mapping of transient protein-RNA interactions.

Conclusions:

• The developed crosslinker offers a powerful tool for studying dynamic protein-RNA interactions.
• Red-light control allows for unprecedented spatial and temporal resolution.
• This technology has potential applications in drug discovery for RNA-targeted therapies.