Pressure-induced alteration in fatty acid composition of barotolerant deep-sea bacterium

Kazuo Kamimura; Hiroyuki Fuse; Osamu Takimura; Yukiho Yamaoka; Kouichi Ohwada; Jun Hashimoto

doi:10.1007/BF02234034

Pressure-induced alteration in fatty acid composition of barotolerant deep-sea bacterium

Kazuo Kamimura, Hiroyuki Fuse, Osamu Takimura, Yukiho Yamaoka, Kouichi Ohwada, Jun Hashimoto

Research output: Contribution to journal › Article › peer-review

12 Citations (Scopus)

Abstract

Barotolerant bacterium was isolated from sediment sample which was obtained from the depth of 4033 m in the Izu-Ogasawara Trench. The physiological property, growth characteristics and fatty acid composition were examined. The strain was a psychrotrophic and barotolerant bacterium, and was identified as species in the genus Alteromonas. The fatty acids of the strain were from C12 to C18. As the growth pressure increased, the portion of unsaturated fatty acid in membrane fraction increased due to an increase in the portion of C17:1 and C18:1, while the relative portion of C16:0 and C16:1 decreased. On the other hand, as the growth temperature decreased, the portion of unsaturated fatty acid increased due to the increase in the portion of C16:1 and C18:1.

Original language	English
Pages (from-to)	93-104
Number of pages	12
Journal	Journal of Oceanography
Volume	48
Issue number	1
DOIs	https://doi.org/10.1007/BF02234034
Publication status	Published - Apr 1 1992
Externally published	Yes

ASJC Scopus subject areas

Oceanography

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10.1007/BF02234034

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title = "Pressure-induced alteration in fatty acid composition of barotolerant deep-sea bacterium",

abstract = "Barotolerant bacterium was isolated from sediment sample which was obtained from the depth of 4033 m in the Izu-Ogasawara Trench. The physiological property, growth characteristics and fatty acid composition were examined. The strain was a psychrotrophic and barotolerant bacterium, and was identified as species in the genus Alteromonas. The fatty acids of the strain were from C12 to C18. As the growth pressure increased, the portion of unsaturated fatty acid in membrane fraction increased due to an increase in the portion of C17:1 and C18:1, while the relative portion of C16:0 and C16:1 decreased. On the other hand, as the growth temperature decreased, the portion of unsaturated fatty acid increased due to the increase in the portion of C16:1 and C18:1.",

author = "Kazuo Kamimura and Hiroyuki Fuse and Osamu Takimura and Yukiho Yamaoka and Kouichi Ohwada and Jun Hashimoto",

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T1 - Pressure-induced alteration in fatty acid composition of barotolerant deep-sea bacterium

AU - Kamimura, Kazuo

AU - Fuse, Hiroyuki

AU - Takimura, Osamu

AU - Yamaoka, Yukiho

AU - Ohwada, Kouichi

AU - Hashimoto, Jun

PY - 1992/4/1

Y1 - 1992/4/1

N2 - Barotolerant bacterium was isolated from sediment sample which was obtained from the depth of 4033 m in the Izu-Ogasawara Trench. The physiological property, growth characteristics and fatty acid composition were examined. The strain was a psychrotrophic and barotolerant bacterium, and was identified as species in the genus Alteromonas. The fatty acids of the strain were from C12 to C18. As the growth pressure increased, the portion of unsaturated fatty acid in membrane fraction increased due to an increase in the portion of C17:1 and C18:1, while the relative portion of C16:0 and C16:1 decreased. On the other hand, as the growth temperature decreased, the portion of unsaturated fatty acid increased due to the increase in the portion of C16:1 and C18:1.

AB - Barotolerant bacterium was isolated from sediment sample which was obtained from the depth of 4033 m in the Izu-Ogasawara Trench. The physiological property, growth characteristics and fatty acid composition were examined. The strain was a psychrotrophic and barotolerant bacterium, and was identified as species in the genus Alteromonas. The fatty acids of the strain were from C12 to C18. As the growth pressure increased, the portion of unsaturated fatty acid in membrane fraction increased due to an increase in the portion of C17:1 and C18:1, while the relative portion of C16:0 and C16:1 decreased. On the other hand, as the growth temperature decreased, the portion of unsaturated fatty acid increased due to the increase in the portion of C16:1 and C18:1.

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Pressure-induced alteration in fatty acid composition of barotolerant deep-sea bacterium

Abstract

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