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Biological origin for amino acids in a deep subterranean hydrothermal vent, Toyoha mine, Hokkaido, Japan

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Title: Biological origin for amino acids in a deep subterranean hydrothermal vent, Toyoha mine, Hokkaido, Japan
Authors: Takano, Yoshinori Browse this author →KAKEN DB
Sato, Ryotaro Browse this author
Kaneko, Takeo Browse this author
Kobayashi, Kensei Browse this author
Marumo, Katsumi Browse this author
Issue Date: Nov-2003
Publisher: Elsevier
Journal Title: Organic Geochemistry
Volume: 34
Issue: 11
Start Page: 1491
End Page: 1496
Publisher DOI: 10.1016/S0146-6380(03)00175-X
Abstract: Concentrations of amino acids were determined for the investigation of subterranean microbiological activities in geothermal environments at Toyoha Mines, Hokkaido, Japan. Samples used were three specimens collected in hydrothermal water, and cores from a hydrothermal vein and a quartz vein. Total hydrolyzed amino acids (THAA) in the hydrothermal water were in the range of 2.5 mmol/l to 6.2 mmol/l. d/l ratios of aspartic acid, glutamic acid and alanine of the three samples were quite low, not more than 0.16. THAA in the hydrothermal vein rock and the quartz vein rock were 0.2 mmol/g-rock and 0.1 mmol/g-rock, respectively. d/l ratios of samples imply that these amino acids were generated through microbiological activities, not abiotic hydrothermal chemical synthesis.
Type: article (author version)
Appears in Collections:理学院・理学研究院 (Graduate School of Science / Faculty of Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 高野 淑識

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