Temperature regulation of lipase secretion by Pseudomonas fluorescens strain MFO - Normandie Université Access content directly
Journal Articles Applied Microbiology and Biotechnology Year : 1993

Temperature regulation of lipase secretion by Pseudomonas fluorescens strain MFO

Abstract

The psychrotrophic bacterium Pseudomonas fluorescens is a milk contaminant known to secrete a lipase that is a nuisance for the dairy industry but may have a biotechnological interest. Strain MFO secretes this enzyme upon induction under various conditions. Regardless of the inducer and growth temperature, a single enzyme is produced. However, optimal production occurs when the culture is grown at 17.5° C. Other exported proteins (an extracellular protease and two periplasmic phosphatases) have previously been shown to display exactly the same optimal temperature of production. In contrast, constitutive cell-bound esterase and cytochrome oxidase are produced at a roughly constant rate regardless of the growth temperature. The relevance of these results are discussed in terms of multifunctional regulation and interest for the dairy industry.

Dates and versions

hal-02372690 , version 1 (20-11-2019)

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A. Mérieau, B. Gugi, J. Guespin-Michel, N. Orange. Temperature regulation of lipase secretion by Pseudomonas fluorescens strain MFO. Applied Microbiology and Biotechnology, 1993, 39 (1), pp.104-109. ⟨10.1007/BF00166857⟩. ⟨hal-02372690⟩
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