High-pressure, high-temperature bioreactor for comparing effects of hyperbaric and hydrostatic pressure on bacterial growth

Author:

Nelson C M1,Schuppenhauer M R1,Clark D S1

Affiliation:

1. Department of Chemical Engineering, University of California, Berkeley 94720-9989.

Abstract

We describe a high-pressure reactor system suitable for simultaneous hyperbaric and hydrostatic pressurization of bacterial cultures at elevated temperatures. For the deep-sea thermophile ES4, the growth rate at 500 atm (1 atm = 101.29 kPa) and 95 degrees C under hydrostatic pressure was ca. three times the growth rate under hyperbaric pressure and ca. 40% higher than the growth rate at 35 atm.

Publisher

American Society for Microbiology

Subject

Ecology,Applied Microbiology and Biotechnology,Food Science,Biotechnology

Reference20 articles.

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3. Patterns of interaction of effects of light metabolically inert gases with those of hydrostatic pressure as such-a review;Brauer R. W.;Undersea Biomed. Res.,1982

4. Effects of helium group gases and nitrous oxide on HeLa cells;Bruemmer J. H.;J. Cell. Physiol.,1967

5. Growth responses of Neurospora crassa to increased partial pressures of the noble gases and nitrogen;Buchheit R. G.;J. Bacteriol.,1966

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