Morphological Instabilities in a Growing Yeast Colony: Experiment and Theory

Publication: Research - peer-reviewJournal article – Annual report year: 1997

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We study the growth of colonies of the yeast Pichia membranaefaciens on agarose film. The growth conditions are controlled in a setup where nutrients are supplied through an agarose film suspended over a solution of nutrients. As the thickness of the agarose film is varied, the morphology of the front of the colony changes. The growth of the front is modeled by coupling it to a diffusive field of inhibitory metabolites. Qualitative agreement with experiments suggests that such a coupling is responsible for the observed instability of the front.
Original languageEnglish
JournalPhysical Review Letters
Publication date1997
Volume79
Issue2
Pages313-316
ISSN0031-9007
DOIs
StatePublished

Bibliographical note

Copyright (1997) by the American Physical Society.

CitationsWeb of Science® Times Cited: 25

Keywords

  • GROWTH, PATTERNS, DIRECTIONAL SOLIDIFICATION, DYNAMICS, BACTERIAL COLONIES
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