Current Microbiology

, Volume 11, Issue 4, pp 227–229 | Cite as

Growth of acetotrophic, methane-producing bacteria in a pH auxostat

  • Kevin R. Sowers
  • Michael J. Nelson
  • James G. Ferry


Three acetotrophicMethanosarcina species, which included marine, nonmarine, and thermophilic strains, were grown on acetate in a 10-liter pH auxostat. Specific growth rates and molar growth yields were constant throughout growth. Cell yields were up to 18-fold greater than previously reported. These properties of the pH auxostat indicate that it is a preferred culture method for the biochemical study of methanogenesis from acetate.


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Copyright information

© Springer-Verlag 1984

Authors and Affiliations

  • Kevin R. Sowers
    • 1
  • Michael J. Nelson
    • 1
  • James G. Ferry
    • 1
  1. 1.Department of Anaerobic MicrobiologyVirginia Polytechnic Institute and State UniversityBlacksburgUSA

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