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Reliable cell disruption in yeast.

Chris C Stowers1, Erik M Boczko

  • 1Department of Chemical Engineering, Vanderbilt University, Nashville, TN 37232, USA.

Yeast (Chichester, England)
|May 4, 2007
PubMed
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This study introduces an optical assay for yeast cell wall disruption, finding that higher disruption improves RNA yield without quality loss. Cell cycle phase impacts yeast disruptability, suggesting a link to decreasing failure rates.

Area of Science:

  • Biotechnology
  • Cell Biology
  • Molecular Biology

Background:

  • Accurate yeast cell wall disruption is crucial for molecular analysis.
  • Existing methods may lack reproducibility and efficiency.
  • Understanding cell cycle effects on disruption is important for experimental design.

Purpose of the Study:

  • To develop and validate an optical assay for quantifying yeast cell wall disruption.
  • To assess the relationship between cell disruption, RNA yield, and RNA quality.
  • To investigate the influence of the cell cycle on yeast cell disruptability.

Main Methods:

  • Development of an optical assay utilizing glass beads for cell disruption.
  • Modeling of cell disruption using time-to-failure measurements.

Related Experiment Videos

  • Quantification of total RNA yield and assessment of RNA quality post-disruption.
  • Analysis of cell disruption in synchronous yeast cultures across the cell cycle.

    • Main Results:

    • The optical assay provides reproducible results for cell wall disruption.
    • A standard protocol achieves only 60% disruption with high variability.
    • Total RNA yield is proportional to the degree of cell disruption.
    • Over 90% disruption does not compromise RNA quality.
    • Cell disruption efficiency varies with the cell cycle phase.

    Conclusions:

    • The developed optical assay is a reliable method for assessing yeast cell disruption.
    • Optimizing disruption protocols is necessary to improve RNA yield and experimental consistency.
    • Cell cycle-dependent disruptability influences experimental outcomes and requires consideration.
    • The decreasing failure rate observed may be linked to cell cycle phase-dependent properties.