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Related Experiment Videos

Drawbacks of selection methods for synchronous cell growth: simulation techniques.

H K Chadha-Boreham1, N Westwood

  • 1Department of Computer Studies and Mathematics, Bristol Polytechnic, UK.

IMA Journal of Mathematics Applied in Medicine and Biology
|January 1, 1989
PubMed
Summary

Computer simulations confirm Koch & Schaecter's model for bacterial fission, showing simple formulations predict synchronous growth. However, perfect synchrony via selection methods is unlikely due to cell life length independence.

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Area of Science:

  • Microbiology
  • Computational Biology
  • Cell Biology

Background:

  • Koch & Schaecter's (1962) model describes bacterial fission.
  • Conflicting findings by Takahasi et al. (1968) and Marr et al. (1969) necessitate reevaluation.
  • Understanding bacterial growth dynamics is crucial for microbiology.

Purpose of the Study:

  • To resolve conflicting findings regarding Koch & Schaecter's bacterial fission model.
  • To reexamine Takahasi et al.'s (1968) work using computational methods.
  • To investigate the relationship between cell life length and growth synchrony.

Main Methods:

  • Computer simulation procedure employed.
  • Reexamination of Takahasi et al.'s (1968) analysis.
  • Comparison of simple vs. complex model formulations.

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Main Results:

  • Simple formulation of Koch & Schaecter's model accurately predicts synchronous growth.
  • Complex formulations, as proposed by Marr et al. (1969), predict a poor fit.
  • Disagreement with Takahasi et al. (1968) on the independence of cell life length and growth synchrony.

Conclusions:

  • Simple Koch & Schaecter model formulations provide a good fit for bacterial fission data.
  • Selection methods are unlikely to achieve perfect bacterial growth synchrony.
  • Further research needed to fully elucidate cell life length and growth synchrony interplay.