Archives of Microbiology

, Volume 115, Issue 1, pp 13–17 | Cite as

Influence of sulfide compounds on the metabolism of Methanobacterium strain AZ

  • A. Wellinger
  • K. Wuhrmann
Article

Abstract

Various organic sulfides and inorganic sulfide were studied in respect to their effect on growth and methane production of Methanobacterium strain AZ. In mineral, sulfide-free medium, cysteine regulated the specific rate of methane production (optimum concentration =5·10−4 mole/l). A supplement of sulfide (10−4 mole/l) caused an additional stimulation. Coenzyme M** or glutathione could be substituted for cysteine when sulfide was present. Growth was stimulated by CoM and glutathione to the same extent as with cysteine in sulfide-containing media. The concentration of sulfide in cysteine-containing media affected the excretion of amino acids.

Key words

Methanobacterium strain AZ Growth and methane formation Role of cystine, sulfide, CoM and glutathione 

Abbreviations

CoM

Coenzyme M; HS−CH2−CH2−SO3 (Taylor and Wolfe, 1974)

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Copyright information

© Springer-Verlag 1977

Authors and Affiliations

  • A. Wellinger
    • 1
    • 2
  • K. Wuhrmann
    • 1
    • 2
  1. 1.Swiss Federal Institute of Technology ZürichDübendorfSwitzerland
  2. 2.Federal Institute for Water Resources and Water Pollution ControlDübendorfSwitzerland

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