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Influence of changing temperature on growth rate and competition between two psychrotolerant Antarctic bacteria: competition and survival in non-steady-state temperature environments.

Author(s) : RUTTER M., NEDWELL D. B.

Type of article: Article

Summary

Competition between two psychrotolerant bacteria was examined in glycerol-limited chemostat experiments subjected to non-steady-state conditions of temperature. One bacterium, a Brevibacterium sp. strain designated CR3/1/15, responded rapidly to temperature change, while a second, Hydrogenophaga pseudoflava, designated CR3/2/10, exhibited a lag in growth after a shift-down during a square-wave temperature cycle but not after a shift-up. The effects on competition and survival by these bacteria of both sine-wave and square-wave temperature changes between 2 and 16 deg C over a 24-hour cycle time were examined, as well as square-wave cycles over 12 and 96 hours. Results are given.

Details

  • Original title: Influence of changing temperature on growth rate and competition between two psychrotolerant Antarctic bacteria: competition and survival in non-steady-state temperature environments.
  • Record ID : 1995-2248
  • Languages: English
  • Source: Appl. environ. Microbiol. - vol. 60 - n. 6
  • Publication date: 1994/06
  • Document available for consultation in the library of the IIR headquarters only.

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