Eukaryotic Cell
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Eukaryotic Cell, August 2002, p. 653-656, Vol. 1, No. 4
1535-9778/02/$04.00+0     DOI: 10.1128/EC.1.4.653-656.2002
Copyright © 2002, American Society for Microbiology. All Rights Reserved.

Synthesis of Chloroplast Galactolipids in Apicomplexan Parasites

Eric Maréchal,1* Nahid Azzouz,2 Cristiana Santos de Macedo,2 Maryse A. Block,1 Jean E. Feagin,3,4 Ralph T. Schwarz,2 and Jacques Joyard1

Laboratoire de Physiologie Cellulaire Végétale, UMR 5019 CNRS-CEA-Université Joseph Fourier, Département Réponse et Dynamique Cellulaire, CEA-Grenoble, 38054 Grenoble Cedex 9, France,1 Zentrum für Hygiene und Medizinische Mikrobiologie, Philipps-Universität Marburg, 35037 Marburg, Germany ,2 Seattle Biomedical Research Institute, Seattle, Washington 98109-1651,3 Department of Pathobiology, School of Public Health and Community Medicine, University of Washington, Seattle, Washington 981954

Received 4 February 2002/ Accepted 7 May 2002

Monogalactosyldiacylglycerol and digalactosyldiacylglycerol are major chloroplast lipids of algae and land plants and are synthesized within the plastid envelope. Here we report that in Toxoplasma gondii and Plasmodium falciparum lysates, radiolabeled UDP-galactose is incorporated into monogalactosylcerebrosides, monogalactosyldiacylglycerol, and digalactosyldiacylglycerol due to distinct enzymological activities. Furthermore, DGDG is immunologically detected in apicomplexans.

* Corresponding author. Mailing address: Laboratoire de Physiologie Cellulaire Végétale, UMR 5019 CNRS-CEA-Université Joseph Fourier, Département Réponse et Dynamique Cellulaire, CEA-Grenoble, 17 rue des Martyrs, 38054 Grenoble Cedex 9, France. Phone: 33 (0)4 38 78 49 85. Fax: 33 (0)4 38 78 50 91. E-mail: emarechal{at}cea.fr.

Eukaryotic Cell, August 2002, p. 653-656, Vol. 1, No. 4
1535-9778/02/$04.00+0     DOI: 10.1128/EC.1.4.653-656.2002
Copyright © 2002, American Society for Microbiology. All Rights Reserved.



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