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Related Experiment Videos

Adhesive interactions between medically important yeasts and bacteria

K W Millsap1, H C van der Mei, R Bos

  • 1Laboratory for Materia Technica, University of Groningen, The Netherlands. k.w.millsap@med.rug.nl

FEMS Microbiology Reviews
|April 9, 1998
PubMed
Summary

This study introduces a novel method to quantify yeast-bacteria adhesion, crucial for understanding human infections. The new technique overcomes limitations of existing methods, enabling more accurate analysis of these interactions.

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Area of Science:

  • Microbiology
  • Infectious Diseases
  • Biophysics

Background:

  • Yeasts are increasingly recognized as significant pathogens in human infections.
  • Adhesive interactions between yeasts and bacteria are implicated in yeast colonization at body sites.
  • Existing methods for studying yeast-bacteria adhesion are often semi-quantitative and invalidated by yeast sedimentation, hindering accurate mechanism identification.

Purpose of the Study:

  • To develop and validate a new, quantitative method for assessing adhesive interactions between yeasts and bacteria.
  • To address the limitations of current techniques, particularly sedimentation and mass transport control.
  • To provide a foundation for elucidating the physico-chemical mechanisms governing yeast-bacteria adhesion.

Main Methods:

Related Experiment Videos

  • A parallel plate flow chamber system was employed to quantitatively evaluate yeast-bacteria adhesion.
  • The method focuses on the influence of adhering bacteria on yeast adhesion kinetics and aggregation.
  • Careful control of mass transport was implemented to ensure reliable measurements.

    • Main Results:

    • The proposed method allows for quantitative evaluation of yeast adhesion and aggregation influenced by bacteria.
    • It addresses issues of yeast sedimentation and mass transport inherent in previous techniques.
    • This facilitates a more accurate understanding of the adhesive interactions between these microorganisms.

    Conclusions:

    • A novel, quantitative method using a parallel plate flow chamber has been developed for studying yeast-bacteria adhesion.
    • This method overcomes critical limitations of prior techniques, enabling more reliable assessment of adhesive interactions.
    • The findings pave the way for a deeper understanding of the physico-chemical basis of yeast-bacteria adhesion in infectious contexts.