Multi-affinity for growing rough interfaces of bacterial colonies

Naoki Kobayashi, Tatsuya Ozawa, Kazuaki Saito, Yoshihiro Yamazaki, Tohey Matsuyama, Mitsugu Matsushita

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

We have examined whether rough interfaces of bacterial colonies are multi-affine. We have used the bacterial species called Bacillus subtilis, which has been found to exhibit a variety of colony patterns when varying both the concentration of nutrient and solidity of agar medium. Consequently, we have found that the colony interface on a nutrient-rich, solid agar medium is multi-affine. On the other hand, the colony interface on a nutrient-rich, semi-solid agar medium is self-affine.

Original languageEnglish
Pages (from-to)232-235
Number of pages4
JournalProgress of Theoretical Physics Supplement
Volume161
DOIs
Publication statusPublished - 2006 Jun 28

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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