Effects of Hydrostatic Pressure and Temperature on Growth and Lipid Composition of the Inner Membrane of Barotolerant Pseudomonas sp. BT1 Isolated from the Deep-sea
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概要
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A barotolerant member of the genus Pseudomonas was isolated from deep-sea sediment obtained from the Japan Trench, at a depth of 4418m. The growth temperature was found to affect the hydrostatic pressure range in which the bacterium could grow ; the optimum hydrostatic pressure for growth shifted to a higher pressure with increasing temperature. We examined the lipid composition of the inner membrane of cells grown at various hydrostatic pressures and temperatures. The fatty acid components of the inner membrane lipids were C16 : 0,C16 : 1,C18 : 0,and C18 : 1. The phospholipid components of the inner membrane were phosphatidylethanolamine, cardiolipin, phosphatidylglycerol, and phosphatidylserine. It is evident that the effects of elevated hydrostatic pressure are comparable to the effects of low temperature on both the fatty acid composition of the inner membrane lipids and the phospholipid composition of the inner membrane of this bacterium.
- 社団法人日本農芸化学会の論文
- 2000-01-23
著者
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Kawano H
Extremobiosphere Research Center (xbr) Japan Agency For Marine-earth Science And Technology (jamstec
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Inoue A
Toyo Univ. Saitama Jpn
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Inoue Akira
The DEEP STAR Group, Japan Marine Science and Technology Center
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Horikoshi Koki
The DEEP STAR Group, Japan Marine Science and Technology Center
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Horikoshi K
Extremobiosphere Res. Center (xbr) Japan Agency For Marine-earth Sci. And Technol. (jamstec)
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Takami H
The Deep Star Group Japan Marine Science And Technology Center
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KANEKO Hiroyuki
The DEEP STAR Group, Japan Marine Science and Technology Center
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TAKAMI Hideto
The DEEP STAR Group, Japan Marine Science and Technology Center
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Kaneko Hiroyuki
The Deep Star Group Japan Marine Science And Technology Center
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Horikoshi Koki
The Deep Star Group Japan Marine Science And Technology Center
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Inoue Akira
The Deep Star Group Japan Marine Science And Technology Center
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