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Related Experiment Videos

Novel growth systems.

J W Wimpenny1

  • 1Department of Microbiology, University College, Cardiff, UK.

Microbiological Sciences
|January 1, 1985
PubMed
Summary
This summary is machine-generated.

This review explores spatial heterogeneity in laboratory microbial growth systems. It covers various models beyond standard homogeneous cultures, including linked vessels and biofilm reactors.

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Area of Science:

  • Microbiology
  • Biotechnology
  • Chemical Engineering

Background:

  • Homogeneous culture techniques dominate laboratory microbial growth systems.
  • These methods often fail to replicate the complex, heterogeneous environments found in nature.
  • Understanding spatial heterogeneity is crucial for accurate modeling and industrial applications.

Purpose of the Study:

  • To review and discuss laboratory model systems that incorporate spatial heterogeneity.
  • To highlight alternatives to traditional homogeneous culture techniques.
  • To provide an overview of diverse heterogeneous culture system designs.

Main Methods:

  • Literature review of existing model systems.
  • Categorization of systems based on their approach to spatial heterogeneity.

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  • Discussion of specific examples including linked vessels, gel-stabilized models, and biofilm reactors.

    • Main Results:

    • Identified several classes of heterogeneous laboratory growth systems.
    • Detailed specific examples such as multistage chemostats, gradostats, microbial film fermenters, percolating columns, and fluidized bed reactors.
    • Highlighted the diversity in approaches to creating and maintaining spatial gradients.

    Conclusions:

    • Spatial heterogeneity can be effectively modeled in laboratory settings using various techniques.
    • These heterogeneous systems offer more realistic simulations of natural microbial environments.
    • Further research and application of these models can advance microbial ecology and biotechnology.