Quantitative fluorescent speckle microscopy of cytoskeleton dynamics

Gaudenz Danuser, Clare M. Waterman-Storer

Research output: Contribution to journalArticle

154 Citations (Scopus)

Abstract

Fluorescent speckle microscopy (FSM) is a technology used to analyze the dynamics of macromolecular assemblies in vivo and in vitro. Speckle formation by random association of fluorophores with a macromolecular structure was originally discovered for microtubules. Since then FSM has been expanded to study other cytoskeleton and cytoskeleton-binding proteins. Specialized software has been developed to convert the stochastic speckle image signal into spatiotemporal maps of polymer transport and turnover in living cells. These maps serve as a unique quantitative readout of the dynamic steady state of the cytoskeleton and its responses to molecular and genetic interventions, allowing a systematic study of the mechanisms of cytoskeleton regulation and its effect on cell function. Here, we explain the principles of FSM imaging and signal analysis, outline the biological questions and corresponding methodological advances that have led to the current state of FSM, and give a glimpse of new FSM modalities under development.

Original languageEnglish (US)
Pages (from-to)361-387
Number of pages27
JournalAnnual Review of Biophysics and Biomolecular Structure
Volume35
DOIs
StatePublished - 2006

Fingerprint

Speckle
Cytoskeleton
Microscopy
Microscopic examination
Genetic Engineering
Microtubules
Molecular Biology
Fluorophores
Carrier Proteins
Polymers
Signal analysis
Software
Technology
Cells
Imaging techniques

Keywords

  • Actin
  • Computer vision
  • Focal adhesion
  • Microtubule
  • Particle tracking

ASJC Scopus subject areas

  • Biophysics
  • Structural Biology

Cite this

Quantitative fluorescent speckle microscopy of cytoskeleton dynamics. / Danuser, Gaudenz; Waterman-Storer, Clare M.

In: Annual Review of Biophysics and Biomolecular Structure, Vol. 35, 2006, p. 361-387.

Research output: Contribution to journalArticle

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