Vitamin B_<12> Production by Acetobacterium sp. and Its Tetrachloromethane-Resistant Mutants
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概要
- 論文の詳細を見る
A strictly anaerobic, homoacetogenic bacterium strain 69,which produces high amounts of intracellular vitamin B_<12>, was isolated from sea sediment. Taxonomical and physiological studies revealed that the isolate should be classified in the genus Acetobacterium. The isolate grown on methanol produced ca. 11 mg of cyanocobalamin per gram dry cells after 7-d cultivation. Tetrachloromethane (TCM) resistant mutants, strain 69-7 and 69-23,were obtained from the isolate by ethylmethanesulfonate treatment, and produced ca. 23 mg of cyanocobalamin per gram dry cells for strain 69-7 and 20 mg for strain 69-23 in the presence of 10 μM of TCM.
- 社団法人日本生物工学会の論文
- 1992-01-25
著者
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Nagao Koji
Department Of Applied Biological Sciences Saga University
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MIKAMI EIICHI
Fermentation Research Institute
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Yamada Kazutaka
Kankyo Engineering Corporation
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Nakamura Kazunori
Fermentation Research Institute Agency Of Industrial Science And Technology
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Mikami E
Fermentation Research Institute Agency Of Industrial Science And Technology
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KAWAGOE MIKIO
Department of Chemical Engineering, Nara National College of Technology
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Nakamura K
National Institute Of Bioscience And Human Technology
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KAMAGATA YOICHI
Fermentation Research Institute, Agency of Industrial Science and Technology
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INOUE KOICHI
Tsukuba Research Center, Daicel Chemical Industries, Ltd.,
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KAGEYAMA SADAO
Tsukuba Research Center, Daicel Chemical Industries, Ltd.,
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MIKI KATSUYA
Tsukuba Research Center, Daicel Chemical Industries, Ltd.,
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MORINAGA TSUYOSHI
Research Center, Daicel Chemical Industries, Ltd,
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Kamagata Yoichi
Fermentation Research Institute Agency Of Industrial Science And Technology
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Miki K
Department Of Chemical Engineering Nara National College Of Technology
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Kageyama Sadao
Tsukuba Research Center Daicel Chemical Industries Ltd.
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Morinaga Tsuyoshi
Research Center Daicel Chemical Industries Ltd
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Inoue Koichi
Tsukuba Research Center Daicel Chemical Industries Ltd.
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NAKAMURA KAZUNORI
Kurita Central Laboratories, Kurita Water Industries Ltd.
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