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Major porine OprF as temperature sensor in the psychrotrophic bacterium Pseudomonas fluorescens.

La porine majoritaire OprF de la bactérie psychrotrophe Pseudomonas fluorescens comme senseur de la température.

Author(s) : ORANGE N., FREULET M. A., HAMEL C. el, DE E.

Summary

Highly involved in the breakdown of chilled foods, Pseudomonas fluorescens produces exocellular enzymes even at low temperatures. This production of certain enzymes peaks at 17 deg C, this being below the optimal strain-growth temperature. Investigation of the permeability of the outer membrane has demonstrated that major porine (32 kDa) behaves as a veritable "sensor" of the surrounding temperature. This phenomenon has been investigated in additional studies.

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Pages: p. 106-109

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Details

  • Original title: La porine majoritaire OprF de la bactérie psychrotrophe Pseudomonas fluorescens comme senseur de la température.
  • Record ID : 1999-1597
  • Languages: French
  • Source: Hygiene, Quality and Safety in the Cold Chain and Air Conditioning.
  • Publication date: 1998/09/16
  • Document available for consultation in the library of the IIR headquarters only.

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