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Temperature-Induced Changes in the Fatty Acid Composition of the Cyanobacterium, Synechocystis PCC6803

Open access
Wada, Hajime, Murata, Norio·1990·Plant Physiology

Abstract

Changes in glycerolipid and fatty acid composition with a change in growth temperature were studied in the cyanobacterium, Synechocystis PCC6803. Under isothermal growth conditions, temperature did not significantly affect the composition of the various classes of lipids, but a decrease in temperature altered the degree of unsaturation of C(18) acids at the sn-1 position, but not that of C(16) acids at the sn-2 position of the glycerol moiety in each class of lipids. When the growth temperature was shifted from 38 degrees C to 22 degrees C, the desaturation of C(18) acids, but not that of C(16) acids, was stimulated. The desaturation of fatty acids occurred only in the light and was inhibited by chloramphenicol, rifampicin and 3-(3,4-dichlorophenyl)-1, 1-dimethylurea, but not by cerulenin, an inhibitor for fatty acid synthesis. These findings suggest that desaturase activities are induced after a shift from a higher to a lower temperature, and that the desaturation of fatty acids is connected with the reactions involved in photosynthetic electron transport.

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Metadata

Authors
Wada, H., & Murata, N.
Venue
Plant Physiology
Published
1990-04-01
Volume
92
Issue
4
Pages
1062-1069
ISSN
  • 0032-0889 (ISSN-L)
  • 1532-2548
OpenAlex
W2078571544
Cited by
183
References
2
FWCI
2.57
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Temperature-Induced Changes in the Fatty Acid Composition of the Cyanobacterium, Synechocystis PCC6803. https://app.cochat.ai/papers/10.1104/pp.92.4.1062
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Wada, H., & Murata, N. (1990). Temperature-Induced Changes in the Fatty Acid Composition of the Cyanobacterium, Synechocystis PCC6803. Plant Physiology. https://doi.org/10.1104/pp.92.4.1062

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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