Cooperative Pathway for Lipid Biosynthesis in Young Pea Leaves : Oleate Exportation from Chloroplasts and Subsequent Integration into Complex Lipids of Added Microsomes

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概要

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• In vitro [1-^<14>C]-acetate incorporation into pea chloroplast lipids resulted in the synthesis of palmitic and oleic acids. Separation of chloroplasts after the incorporation proved the specific exportation of [^<14>C]-oleate towards the external medium. The addition of microsomes resulted in a stimulated exportation and integration of the exported oleate into the phosphatidylcholine (PC). In such experiments, the galactolipids were labelled by both palmitate and oleate and confirmed the intraplastidial origin of the fatty acids they incorporated. Isolated chloroplasts alone performed an acylation of PC by labelled oleate. The chloroplastic localization of this activity is discussed.

• 日本植物生理学会の論文

著者

• Drapier Dominique

  Universite Pierre Et Marie Curie Institut De Biologie Vegetale (era 323)

• Mazliak Paul

  Universite Pierre Et Marie Curie Institut De Biologie Vegetale (era 323)

• Dubacq Jean-Paul

  Universitd Pierre et Marie Curie, Laboraloire de Physiologie cellulaire

• Tremolieres Antcune

  Universite Pierre et Marie Curie, Institut de Biologie Vegetale (ERA 323)

• Dubacq Jean-paul

  Universite Pierre Et Marie Curie Institut De Biologie Vegetale (era 323)

• Tremolieres Antcune

  Universite Pierre Et Marie Curie Institut De Biologie Vegetale (era 323)

関連論文

• Polyunsatuated Fatty Acid Synthesis by a Mixture of Chloroplasts and Microsomes from Spinach Leaves : Evidence for Two Distinct Pathways of the Biosynthesis of Trienoic Acids
• Cooperative Pathway for Lipid Biosynthesis in Young Pea Leaves : Oleate Exportation from Chloroplasts and Subsequent Integration into Complex Lipids of Added Microsomes

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