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Hydrogenobacter thermophilus: its unusual physiological properties and phylogenic position in the microbial world

Authors
Journal
FEMS Microbiology Letters
0378-1097
Publisher
Oxford University Press
Publication Date
Volume
87
Identifiers
DOI: 10.1016/0378-1097(90)90486-a
Keywords
  • Hydrogenobacter Thermophilus
  • Obligate Chemolithotroph
  • Reductive Tca Cycle
  • Methionaquinone
  • Hydrogenase
  • Cytochromec

Abstract

Abstract Hydrogenobacter thermophilus (IAM12695) is an obligately autotrophic, thermophilic and aerobic hydrogen-oxidizing bacterium. Chemotaxonomic studies revealed various unusual features of this microorganism. H. thermophilus operates a reductive TCA cycle, which is the only confirmed example of the operation of a non-Calvin type carbon dioxide fixation pathway among aerobic organisms. Isolation of strains similar to Hydrogenobacter from different areas suggests a possible role of these microorganisms as primary producers of organic compounds from carbon dioxide in geothermal and/or aquatic environments.

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