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Jamming Bacterial Traffic: Bioconvection

In: Traffic and Granular Flow’01

Author

Listed:
  • I. M. Jánosi

    (Eötvös University, Department of Physics of Complex Systems)

  • A. Czirók

    (Eötvös University, Department of Biological Physics)

  • D. Silhavy

    (Agricultural Biotechnology Center)

  • A. Holczinger

    (Szent István University, Department of Biotechnology and Molecular Genetics)

Abstract

Bioconvection is a fascinating pattern forming phenomenon driven by the swimming activity of microbes. There is a common belief that bioconvection has a positive effect on the whole microbial population by aerating deep layers in the suspension. In order to detect such a biological benefit, we performed experiments with several strains of Bacillus subtilis and Bacillus licheniformis of different swimming capabilities. Bioconvection is a robust phenomenon, we observed it at numerous strains in different growth phases. Nevertheless data evaluation has not revealed a similarly robust positive effect on population growth.

Suggested Citation

  • I. M. Jánosi & A. Czirók & D. Silhavy & A. Holczinger, 2003. "Jamming Bacterial Traffic: Bioconvection," Springer Books, in: Minoru Fukui & Yuki Sugiyama & Michael Schreckenberg & Dietrich E. Wolf (ed.), Traffic and Granular Flow’01, pages 569-574, Springer.
    • Handle: RePEc:spr:sprchp:978-3-662-10583-2_60
    DOI: 10.1007/978-3-662-10583-2_60
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