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A fluorogenic chemically induced dimerization technology for controlling, imaging and sensing protein proximity.

Sara Bottone1, Octave Joliot2, Zeyneb Vildan Cakil1

  • 1Sorbonne Université, École Normale Supérieure, Université PSL, CNRS, Laboratoire des Biomolécules, Paris, France.

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Summary
This summary is machine-generated.

Chemically Assisted Tethering of Chimera by Fluorogenic-Induced Recognition (CATCHFIRE) enables real-time monitoring of protein proximity. This technology allows precise control and tracking of cellular processes with high spatiotemporal resolution.

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Area of Science:

  • Molecular biology
  • Biochemistry
  • Cell biology

Background:

  • Understanding protein proximity is crucial for studying protein function and cellular processes.
  • Existing molecular tools lack intrinsic fluorescence imaging and sensing capabilities for real-time monitoring.

Purpose of the Study:

  • To introduce CATCHFIRE, a novel chemically induced proximity technology.
  • To enable real-time monitoring and control of protein proximity with fluorescence imaging.

Main Methods:

  • CATCHFIRE utilizes genetic fusion to small dimerizing domains.
  • Upon addition of fluorogenic inducers, these domains interact, forming a ternary assembly.
  • The assembly fluoresces upon formation, enabling real-time monitoring of chemically induced proximity.

Main Results:

  • CATCHFIRE provides rapid and fully reversible control of protein proximity.
  • It allows precise tracking of protein localization, trafficking, and organelle transport.
  • The technology facilitates the study and control of cellular processes with high spatiotemporal resolution.

Conclusions:

  • CATCHFIRE is a versatile tool for studying biological processes at the molecular level.
  • Its fluorogenic nature enables the development of novel biosensors for signal transduction and apoptosis.
  • This technology opens new avenues for research in cell biology and molecular medicine.