The impact of fluid mechanical stress on Corynebacterium glutamicum during continuous cultivation in an agitated bioreactor

Saedthawat Chamsart, Christopher Hewitt, Alvin Nienow

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

The effect of mechanical stresses generated by an extreme agitation intensity or a high aeration rate on growth parameters and cell physiology were studied during continuous cultivation of the Gram-positive bacterium Corynebacterium glutamicum. It is concluded that variations in agitation, aeration rate, or dO(2) concentrations down to about 1% of saturation do not damage the bacterial cells or cause a significant change in physiological response, as measured by flow cytometry, even though the cell size was slightly reduced.
Original languageEnglish
Pages (from-to)693-700
Number of pages8
JournalBiotechnology Letters
Volume27
DOIs
Publication statusPublished - 1 May 2005

Keywords

  • Corynebacterium glutamicum
  • cell size
  • agitated bioreactor
  • fluid mechanical stress
  • continuous cultivation
  • flow cytometry

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