Bio-deposition of Amorphous Silica by an Extremely Thermophilic Bacterium,Thermusspp. | Zendy

Fumio Inagaki | Zendy; Takushi Yokoyama | Zendy; Katsumi Doi | Zendy; Eiji Izawa | Zendy; Seiya Ogata | Zendy

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Bio-deposition of Amorphous Silica by an Extremely Thermophilic Bacterium,Thermusspp.

Author(s) -

Fumio Inagaki,

Takushi Yokoyama,

Katsumi Doi,

Eiji Izawa,

Seiya Ogata

Publication year - 1998

Publication title -

bioscience biotechnology and biochemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.509

H-Index - 116

eISSN - 1347-6947

pISSN - 0916-8451

DOI - 10.1271/bbb.62.1271

Subject(s) - thermophile , thermus , bacteria , deposition (geology) , amorphous solid , amorphous silica , chemistry , geothermal gradient , chemical engineering , environmental chemistry , biology , organic chemistry , paleontology , sediment , engineering

The bio-deposition of amorphous silica, which occurred in vitro by exposure to the extremely thermophilic bacterium Thermus spp. began from the latter part of the exponential phase of growth of the bacteria. The concentration with which the deposition occurred exceeded the solubility of amorphous silica of neutral pH at the temperature 60~85°C. Our observations suggest that Thermus spp. promotes the formation of siliceous minerals in a geothermal environment.

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