Pressure on cells and microorganisms
Applications of high hydrostatic pressures in the agr-food industry
Article REF: F3225 V1
Pressure on cells and microorganisms
Applications of high hydrostatic pressures in the agr-food industry

Authors : Jean-Marie PERRIER-CORNET, Marwen MOUSSA, Patrick GERVAIS

Publication date: March 10, 2009 | Lire en français

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4. Pressure on cells and microorganisms

4.1 Non-lethal actions

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4.1.1 Microorganisms at nature's extremes of pressure

With an average depth of 3,800 m, the oceans cover two-thirds of the globe, making them a vast hyperbaric ecosystem. Pressure can reach levels in excess of 100 MPa in particular locations, such as the Mariana Trench. However, certain microorganisms, such as the Colwellia MT41 bacterium, can thrive here. .

Pressure also increases the deeper you go into the earth's crust, by an average of 0.23 MPa every...

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