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Automated System for Single Molecule Fluorescence Measurements of Surface-immobilized Biomolecules
Published on: November 2, 2009
Single-molecule fluorescence analysis of cellular nanomachinery components
1Institute of Medical Physics and Biophysics, and Center for Nanotechnology (CeNTech), University of Münster, 48149 Münster, Germany. Reiner.Peters@uni-muenster.de
Annual Review of Biophysics and Biomolecular Structure
|February 10, 2007
Summary
Single-molecule fluorescence (SMF) analysis offers high-speed methods for studying protein complexes, crucial for understanding cellular nanomachines. Further development is needed for in vivo applications, paving the way for nanoscopic biomedicine.
Area of Science:
- Biophysics
- Cell Biology
- Proteomics
Background:
- The cell is increasingly viewed as a network of protein complexes functioning as nanomachines.
- High-speed analytical methods are needed to study individual protein complexes in living systems.
Purpose of the Study:
- To evaluate single-molecule fluorescence (SMF) analysis for studying protein complexes in real-time.
- To highlight progress and limitations of SMF in cellular and tissue analysis.
Main Methods:
- Review of recent technical advancements in SMF for protein complex analysis.
- Examination of SMF applications, using the nuclear pore complex as a case study.
Main Results:
- SMF techniques have advanced in visualization, localization, tracking, and conformational analysis of protein complexes.
- SMF provides powerful tools for structural and functional characterization of protein complexes, particularly the nuclear pore complex.
Conclusions:
- SMF methods are indispensable for protein complex characterization.
- Transitioning SMF from in vitro to in vivo applications is in early stages, with potential for nanoscopic biomedicine.
