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. 1983 May;72(1):225–228. doi: 10.1104/pp.72.1.225

Growth Temperature Effects on Thylakoid Membrane Lipid and Protein Content of Pea Chloroplasts 1

David J Chapman 1, John De-Felice 1, James Barber 1
PMCID: PMC1066200  PMID: 16662966

Abstract

The lipid composition and level of unsaturation of fatty acids has been determined for chloroplast thylakoid membranes isolated from Pisum sativum grown under cold (4°/7°C) or warm (14°/17°C) conditions. Both the relative amounts of lipid classes and degree of saturation were not greatly changed for the two growth conditions. In cold-grown plants, there was a slightly higher linolenic and lower linoleic acid content for the glycolipids monogalactosyldiacylglycerol (MGDG), digalactosyldiacylglycerol (DGDG), and sulfoquinovosyldiacylglycerol. In contrast to thylakoid membranes, a non-thylakoid leaf membrane fraction including the chloroplast envelope, had a higher overall level of fatty acid unsaturation in cold-grown plants due mainly to an increase in the linolenic acid content of MGDG, DGDG, phosphatidylglycerol, and phosphatidylcholine. The most clear cut change in the thylakoid membrane composition was the lipid to protein ratio which was higher in the cold-grown plants.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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