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Lipid and fatty acid compositions of a novel docosahexaenoic acid-producing marine bacterium

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Lipids

Abstract

An unidentified bacterial strain, SCRC-21406, isolated from the intestine of a marine fish, Glossanodon semifasciatus, produced docosahexaenoic acid at 23% (mol/mol) [=28% (w/w)] of total fatty acids in a medium containing 0.5% (wt/vol) peptone and 0.1% (wt/vol) yeast extract at 12°C under atmospheric pressure. The cell yield was 0.43 g/L. The major lipids of the strain were phosphatidylethanolamine and phophatidylglycerol. Docosahexaenoic acid was localized at the sn-2 positions of both phospholipids. The amounts of polyunsaturated fatty acids other than docosahexaenoic acid were extremely small [<3% (mol/mol)]. Monousaturated fatty acids of the cis-7, cis-9 and cis-11 types were detected.

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Abbreviations

DHA:

docosahexaenoic acid

NMR:

nuclear magnetic resonance

PE:

phosphatidylethanolamine

PG:

phosphatidylglycerol

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Authors and Affiliations

  1. Fuji Yakuhin Co., Ltd., Ohmiya, 331, Saitama, Japan

    Hiroshi Muramatsu

  2. Sagami Chemical Research Center, Nishi-Ohnuma 4-4-1. Sagamihara, 229, Kanagawa, Japan

    Kazuo Watanabe, Chikako Ishikawa, Itsuko Ohtsuka, Masazumi Kamata, Miho Tomita & Kazunaga Yazawa

Authors
  1. Kazuo Watanabe
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  2. Chikako Ishikawa
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  3. Itsuko Ohtsuka
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  4. Masazumi Kamata
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  5. Miho Tomita
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  6. Kazunaga Yazawa
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  7. Hiroshi Muramatsu
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Watanabe, K., Ishikawa, C., Ohtsuka, I. et al. Lipid and fatty acid compositions of a novel docosahexaenoic acid-producing marine bacterium. Lipids 32, 975–978 (1997). https://doi.org/10.1007/s11745-997-0127-8

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  • DOI: https://doi.org/10.1007/s11745-997-0127-8

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