Cited by 181Lipid metabolism and biosynthesisAlgal biology and biofuel productionPhotosynthetic Processes and Mechanisms

Modes of fatty-acid desaturation in cyanobacteria

Norio Murata 1, Hajime Wada, Zoltan Gombos·1992·Plant and Cell Physiology

Abstract

The mode of desaturation of fatty acids in the membrane lipids of cyanobacteria was studied by analyzing the composition of fatty acids, the distribution of fatty acids at the sn position of the glycerol moiety, and the position of double bonds in the fatty acids. Cyanobacterial strains can be classified into four groups on the basis of the mode of desaturation of fatty acids. Cyanobacteria in Group 1 can introduce only one double bond at the Δ9 position of fatty acids at the sn-1 position. Cyanobacteria in Groups 2, 3 and 4 are characterized by a unique positional distribution of fatty acids; the C18 and C16 fatty acids are esterified, respectively, to the sn-1 and sn-2 positions of the glycerol moiety. In Group 2, the C18 acid is desaturated at the Δ9, Δ12, and Δ15 positions and the C16 acid is desaturated at the Δ9 and Δ12 positions; in Group 3, the C18 acid is desaturated at the Δ6, Δ9, and Δ12 positions; and in Group 4, the C18 acid is desaturated at the Δ6, Δ9, Δ12, and Δ15 positions. The C16 acid is not desaturated in Groups 3 and 4. Both unicellular and filamentous strains are distributed among all four groups.

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Crossref · 10.1093/oxfordjournals.pcp.a078344

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  • True Spirulina species should be attributed to Group 2 cyanobacteria, according to FA-based classification.

    “Therefore, true Spirulina species should be attributed to Group 2 cyanobacteria, according to FA-based classification [50,51].”

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Authors
1, N. M., Wada, H., & Gombos, Z.
Affiliations
National Institute for Basic Biology (JP)
Corresponding author
Norio Murata 1
Venue
Plant and Cell Physiology
Published
1992-10
ISSN
  • 0032-0781 (ISSN-L)
  • 1471-9053
OpenAlex
W2337172494
Cited by
181
References
0
Citations by year
2025: 3 · 2024: 7 · 2023: 4 · 2022: 4 · 2021: 8 · 2020: 2 · 2019: 5 · 2018: 6 · 2017: 7 · 2016: 9 · 2015: 8 · 2014: 8 · 2013: 11 · 2012: 1
FWCI
1.92
Type
journal article
Language
en
Open access
closed
Locations
Plant and Cell Physiology (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biochemistry › Lipid metabolism and biosynthesis
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Algal biology and biofuel production
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Photosynthetic Processes and Mechanisms
Keywords
fatty acid desaturation, cyanobacteria, membrane lipids, fatty acid positional distribution, double bond position, C18 fatty acids, strain classification, filamentous cyanobacteria

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