Hydrogenobacter acidophilus sp. nov., a Thermoacidophilic, Aerobic, 
Hydrogen-Oxidizing Bacterium Requiring Elemental Sulfur for Growth

Shima, Seigo; Suzuki, Ken-ichiro

doi:10.1099/00207713-43-4-703

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Hydrogenobacter acidophilus sp. nov., a Thermoacidophilic, Aerobic, Hydrogen-Oxidizing Bacterium Requiring Elemental Sulfur for Growth

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Shima, Seigo
Department-Independent Research Group Microbial Protein Structure, Max Planck Institute for Terrestrial Microbiology, Max Planck Society;

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Shima, S., & Suzuki, K.-i. (1993). Hydrogenobacter acidophilus sp. nov., a Thermoacidophilic, Aerobic, Hydrogen-Oxidizing Bacterium Requiring Elemental Sulfur for Growth. INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY, 43(4), 703-708. doi:10.1099/00207713-43-4-703.

Cite as: https://hdl.handle.net/21.11116/0000-0009-4B9A-6

Abstract

A thermoacidophilic, obligately chemolithoautotrophic, aerobic, hydrogen-oxidizing bacterium, strain 3H-1T(T = type strain), was isolated from a solfataric field in Tsumagoi, Japan. This strain is a gram-negative, motile, non-spore-forming rod-shaped organism that requires elemental sulfur for growth by hydrogen oxidation. Type b, c, and o cytochromes are present. Carbon dioxide may be fixed via the reductive tricarboxylic acid cycle. The optimum temperature for growth is 65°C. The optimum pH for growth is 3.0 to 4.0. The guanine-plus-cytosine content of DNA is 35.0 mol%. A straight-chain saturated C18:0acid and straight-chain unsaturated C18:1and C20:1acids are the major components of the cellular fatty acids. 2-Methylthio-3-VI, VII-tetrahydromultiprenyl7-1,4-naphthoquinone (methionaquinone) is the major isoprenoid quinone. This strain is considered a member of a new species of the genus Hydrogenobacter, a genus of obligately chemolithoautotrophic, aerobic, hydrogen-oxidizing bacteria. The name Hydrogenobacter acidophilus sp. nov. is proposed for the organism. The type strain of this species is strain 3H-1 (= JCM 8795).