Patterns of Expansion produced by a Structured Cell Population of Serratia marcescens in Response to Different Media

Fumiko Hiramatsu, Jun Ichi Wakita, Naoki Kobayashi, Yoshihiro Yamazaki, Mitsugu Matsushita, Tohey Matsuyama

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)

Abstract

Characteristic patterns of expansion were generated by bacterial cell populations of Serratia marcescens on media with different concentrations of nutrient and agar. These patterns were classified as Eden-like, dense-branching-morphology-like, flower-like, concentric ring-like and diffusion-limited aggregation-like. Although flower-like was specific to Serratia marcescens, the other patterns were exhibited by Bacillus subtilis. Through macro- and microscopic tracing of the processes generating these patterns, physico-chemical principles of bacterial growth, collaborative and independent properties of bacteria, structural organization for population expansion, and the division of labor among bacterial cells (i.e., wall composer, pressure generator, and logistic supporter) were brought to light.

Original languageEnglish
Pages (from-to)120-125
Number of pages6
JournalMicrobes and Environments
Volume20
Issue number2
DOIs
Publication statusPublished - 2005

Keywords

  • Serratia marcescens
  • bacterial population
  • collective behavior
  • pattern formation

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Soil Science
  • Plant Science

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