Transmission electron microscopy of yeast

Research output: Contribution to journalArticle

98 Citations (Scopus)

Abstract

The challenges of sample preparation can limit a researcher's selection of transmission electron microcopy (TEM) for analysis of yeast. However, with the exception of thin sectioning, preparation of well-fixed and infiltrated samples of yeast cells is achievable by any reasonably equipped laboratory. This review presents a general overview of TEM sample preparation methods and detailed protocols for chemical fixation of yeast for ultrastructural analysis and immunolabeling. For ultrastructural analysis, the most commonly used chemical fixation involves treatment with glutaraldehyde followed by either potassium permanganate or osmium. Prior to osmium postfixation, the cell wall must be enzymatically digested to allow optimal fixation and embedding. Freeze substitution methods continue to provide the highest quality of fixation, but equipment needed for these protocols is not generally available to many labs. The low viscosity of Spurr's resin makes it the resin of choice for ultrastructure studies. Immunoelectron microscopy has enjoyed great success in analysis of yeast molecular organization. For immunoelectron microscopy, glutaraldehyde/formaldehyde-fixed cells are embedded in LR White resin. The thin sections are then treated in much the same way as an immunoblot: following blocking, they are incubated in primary antiserum, washed, and then incubated in gold-labeled secondary antiserum. Microsc. Res. Tech. 51:496-510, 2000.

Original languageEnglish (US)
Pages (from-to)496-510
Number of pages15
JournalMicroscopy Research and Technique
Volume51
Issue number6
DOIs
StatePublished - Dec 15 2000

Fingerprint

yeast
Transmission Electron Microscopy
Yeast
transmission electron microscopy
antiserums
Yeasts
resins
yeasts
Transmission electron microscopy
Osmium
osmium
Immunoelectron Microscopy
Resins
glutaraldehyde
Glutaral
preparation
antiserum
Immune Sera
microscopy
Microscopic examination

Keywords

  • Immunoelectron microscopy
  • Karmellae
  • Techniques
  • Ultrastructure

Cite this

Transmission electron microscopy of yeast. / Wright, Robin.

In: Microscopy Research and Technique, Vol. 51, No. 6, 15.12.2000, p. 496-510.

Research output: Contribution to journalArticle

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