Production of hydrogen sulfide by a moderately thermophilic iron- oxidizing bacterium strain TI-1

Keiichi Oda; Keiko Matsumoto; Masaki Takai; Akira Wakasa; Kazuo Kamimura; Tsuyoshi Sugio

doi:10.1016/S0922-338X(97)89264-1

Production of hydrogen sulfide by a moderately thermophilic iron- oxidizing bacterium strain TI-1

Keiichi Oda, Keiko Matsumoto, Masaki Takai, Akira Wakasa, Kazuo Kamimura, Tsuyoshi Sugio

Research output: Contribution to journal › Article

5 Citations (Scopus)

Abstract

A moderately thermophilic iron-oxidizing bacterium strain TI-1 has been shown to have a unique enzyme system that produces hydrogen sulfide (H₂S) extracellularly under acidic conditions. The optimal culture conditions for H₂S production were determined to apply the bacterium to the treatment of acidic wastewater containing heavy metals. The production of H₂S by the cells was dependent on L-glutamic acid, ferrous sulfate and elemental sulfur in the medium. The optimal culture medium for H₂S production contained 0.3% L-glutamic acid, 1.7% ferrous sulfate, and 1.0% elemental sulfur and the optimal pH and temperature were 4.0 and 55 °C, respectively. Under the optimal culture conditions, strain TI-1 produced H₂S continuously at a rate of 0.26 μmol/ml/d for 14 d.

Original language	English
Pages (from-to)	372-374
Number of pages	3
Journal	Journal of Fermentation and Bioengineering
Volume	84
Issue number	4
DOIs	https://doi.org/10.1016/S0922-338X(97)89264-1
Publication status	Published - Jan 1 1997

Keywords

Hydrogen sulfide
Iron-oxidizing bacterium
Moderate thermophile

ASJC Scopus subject areas

Biotechnology
Applied Microbiology and Biotechnology

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Oda, K., Matsumoto, K., Takai, M., Wakasa, A., Kamimura, K., & Sugio, T. (1997). Production of hydrogen sulfide by a moderately thermophilic iron- oxidizing bacterium strain TI-1. Journal of Fermentation and Bioengineering, 84(4), 372-374. https://doi.org/10.1016/S0922-338X(97)89264-1

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abstract = "A moderately thermophilic iron-oxidizing bacterium strain TI-1 has been shown to have a unique enzyme system that produces hydrogen sulfide (H2S) extracellularly under acidic conditions. The optimal culture conditions for H2S production were determined to apply the bacterium to the treatment of acidic wastewater containing heavy metals. The production of H2S by the cells was dependent on L-glutamic acid, ferrous sulfate and elemental sulfur in the medium. The optimal culture medium for H2S production contained 0.3% L-glutamic acid, 1.7% ferrous sulfate, and 1.0% elemental sulfur and the optimal pH and temperature were 4.0 and 55 °C, respectively. Under the optimal culture conditions, strain TI-1 produced H2S continuously at a rate of 0.26 μmol/ml/d for 14 d.",

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AU - Oda, Keiichi

AU - Matsumoto, Keiko

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AU - Kamimura, Kazuo

AU - Sugio, Tsuyoshi

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