Diversity of Piezophilic Microorganisms in the Closed Ocean Japan Sea

Shizuka ARAKAWA; Yuichi NOGI; Takako SATO; Yasuhiko YOSHIDA; Ron USAMI; Chiaki KATO

doi:10.1271/bbb.70.749

Bioscience, Biotechnology, and Biochemistry

Online ISSN : 1347-6947
Print ISSN : 0916-8451

Microbiology & Fermentation Technology Notes

Diversity of Piezophilic Microorganisms in the Closed Ocean Japan Sea

Shizuka ARAKAWA, Yuichi NOGI, Takako SATO, Yasuhiko YOSHIDA, Ron USAMI, Chiaki KATO

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Keywords: deep-sea, high-pressure, Japan Sea, piezophilic bacteria, T-RFLP

JOURNAL FREE ACCESS

2006 Volume 70 Issue 3 Pages 749-752

DOI https://doi.org/10.1271/bbb.70.749

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Abstract

Deep-sea sediment samples were collected at a depth of 3,064 m in the Japan Sea. Microorganisms in the sediment sample were cultivated under several pressure conditions, and the high-pressure adapted microbes were isolated. Two of the isolates exhibited piezophilic growth profiles. This is the first report to show the presence of piezophiles in the Japan Sea.

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