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. 1992 Dec;11(13):4685–4692. doi: 10.1002/j.1460-2075.1992.tb05573.x

Chilling sensitivity of Arabidopsis thaliana with genetically engineered membrane lipids.

F P Wolter 1, R Schmidt 1, E Heinz 1
PMCID: PMC556943  PMID: 1464304

Abstract

Upon transfer of a genetically engineered Escherichia coli gene for glycerol-3-phosphate acyltransferase (plsB) to Arabidopsis thaliana (L.) Heynh., the gene is transcribed and translated into an enzymatically active polypeptide. This leads to an alteration in fatty acid composition of membrane lipids. From these alterations it is evident that the enzyme is located mainly inside the plastids. The amount of saturated fatty acids in plastidial membrane lipids increased. In particular, the fraction of high-temperature melting species of phosphatidylglycerol is elevated. These molecules are thought to play a crucial role in determining chilling sensitivity of plants. An increase in sensitivity could be observed in the transgenic plants during recultivation after chilling treatment. Implications for the hypothesis of phosphatidylglycerol-determined chilling sensitivity are discussed.

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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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