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Related Experiment Video

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4D Microscopy of Yeast
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4D Microscopy of Yeast.

Natalie Johnson1, Benjamin S Glick2

  • 1Department of Molecular Genetics and Cell Biology, University of Chicago.

Journal of Visualized Experiments : Jove
|May 14, 2019
PubMed
Summary

This study presents a method for analyzing live yeast cell compartments using 4D confocal microscopy. Custom software aids in tracking compartment dynamics, fusion, and maturation for better understanding of cellular processes.

Area of Science:

  • Cell Biology
  • Microscopy Techniques

Background:

  • Intracellular compartments in yeast are dynamic and require advanced imaging for study.
  • Understanding compartment formation and transformation is crucial for cell biology.

Purpose of the Study:

  • To characterize the formation and transformation of membrane compartments in live budding yeast cells.
  • To develop and apply advanced imaging and analysis techniques for studying dynamic cellular structures.

Main Methods:

  • Utilized multi-color 4D confocal fluorescence microscopy for time-lapse imaging.
  • Minimized photobleaching and phototoxicity by rapid scanning at low laser power.
  • Developed custom ImageJ plugins for data analysis, including structure identification, isolation, and quantification.

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Main Results:

  • Successfully captured thousands of optical sections to generate high-resolution 4D data sets.
  • Employed deconvolution to smooth noisy data and improve image quality.
  • Created 4D movies to visualize compartment dynamics, including maturation, fusion, and response to perturbations.

Conclusions:

  • The developed protocol enables detailed characterization of dynamic intracellular compartments in yeast.
  • 4D movies are effective for distinguishing stable from transient compartments and analyzing cellular events.
  • This approach facilitates the study of mutations and perturbations on compartment behavior.