Localizing MEN components by indirect immunofluorescence analysis of budding yeast

Research output: Chapter in Book/Report/Conference proceedingChapter


The budding yeast Saccharomyces cerevisiae is a very powerful genetic model that has been extensively used in cell cycle studies. Despite the fact that its small size has made imaging studies challenging (haploid cells have a diameter of approximately 4-5 μm that is very close to the maximal optical microscope resolution, ca. 0.20-0.25 μm), the continual improvement of imaging tags and techniques has made it possible to visualize organelles and macromolecules also in this organism. The possibility to easily epitope-tag endogenous proteins and follow them during synchronized cell cycles has proved critical for understanding the distribution of Mitotic Exit Network (MEN) components and gathering insights into their regulation. In this chapter, we describe a detailed protocol for indirect immunofluorescence of fixed cells outlining fixation strategies, cell wall digestion, and the use of primary and secondary antibodies conjugated to fluorescent moieties. This protocol can be used to successfully localize endogenously expressed yeast proteins including MEN components.

Original languageEnglish
Title of host publicationMethods in Molecular Biology
PublisherHumana Press Inc.
Number of pages15
Publication statusPublished - 2017

Publication series

NameMethods in Molecular Biology
ISSN (Print)10643745


  • Fluorescent microscopy
  • Indirect immunofluorescence
  • MEN
  • Yeast

ASJC Scopus subject areas

  • Molecular Biology
  • Genetics

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