title: Phosphate translocator and adenylate translocator in chromoplast membranes.
abstract: It is shown by the criteria of saturation kinetics, specificity, and inhibition experiments that chromoplast membranes from the daffodil flower contain a phosphate translocator for the counter-exchange of phosphate, and 3-phosphoglycerate, as well as phosphoenolpyruvate; they also contain an adenylate translocator. This is the first report on the occurrence of these translocators in non-green plastids. Both translocators exhibit certain dissimilar properties when compared to the corresponding systems of chloroplasts. The transport rates of both translocators are sufficient to allow a prominent fatty acid synthesis in isolated chromoplasts when C3 intermediates of the glycolytic pathway or adenine nucleotides are used as energy sources.
authors.affiliation: Institut für Biologie II, Zellbiologie, Universität Freiburg, Schänzlestraße 1, D-7800, Freiburg, Germany.
authors.forename: B
authors.initials: B
authors.lastname: Liedvogel
authors.forename: H
authors.initials: H
authors.lastname: Kleinig