Isolation and Characterization of a Protease-Producing, Thermophilic, Anaerobic Bacterium, Thermobacteroides leptospartum sp. nov.(Microbiology & Fermentation Industry)
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概要
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A new thermophilic and anaerobic bacterium, Thermobacteroides leptospartum sp. now., which produces extracellular proteases was isolated from cattle compost. This organism is a Gramnegative, non-sporulating, non-motile and obligately anaerobic filamentous bacterium. Ultra-thin sections of the cells reveal a multilayered envelope structure. The major cellular fatty acids are n-C_<16:0> (27.7%), iso-C_<17:0> (18.5%) and iso-C_<15:0> (16.4%). No hydroxy fatty acids were detected. The temperature range for growth is between 45℃ and 71℃, with optimum growth at 60℃; the pH range for growth is between 6.7 and 8.9 at 60℃ with a doubling time of 8.6 hr. Various carbohydrates, but not fructose or sucrose, are fermented. The major fermentation products from glucose are ethanol (14.1 mM) and acetate (8.8 HIM). Growth is inhibited by polymyxin B, neomycin and gentamicin. The DNA base composition is 43±2mol% G + C.
- 社団法人日本農芸化学会の論文
- 1988-06-23
著者
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BEPPU Teruhiko
Department of Biotechnology, Graduate School of Agriculture and Life Sciences, The University of Tok
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UOZUMI Takeshi
Department of Biotechnology, Faculty of Agriculture, The University of Tokyo
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Saiki Takashi
Department Of Agricultural Chemistry The University Of Tokyo:(present Office) Ner Energy Development
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Uozumi Takeshi
Department Of Agricultural Chemistry The University Of Tokyo
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Uozumi Takeshi
Department Of Agricultural Chemistry Faculty Of Agriculture The University Of Tokyo
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Toda Y
Kirin Brewery Co. Ltd. Gunma Jpn
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TODA Yoichiro
Department of Agricultural Chemistry, The University of Tokyo
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Beppu Teruhiko
Department Of Agricultural Chemistry Faculty Of Agriculture The University Of Tokyo
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Beppu Teruhiko
Department Of Agricultural Chemistry The University Of Tokyo
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