Diversity of Specificity and Function of Phosphate Translocators in Various Plastids
- 1 February 1991
- journal article
- Published by Oxford University Press (OUP) in Plant Physiology
- Vol. 95 (2) , 341-343
- https://doi.org/10.1104/pp.95.2.341
Abstract
This report gives a comparison of the specificity of phosphate translocators in various plastids. Whereas the phosphate translocator of the C3 plant spinach mediates a counter exchange between inorganic phosphate, dihydroxyacetone phosphate, and 3-phosphoglycerate, the phosphate translocators in chloroplasts from C4 and CAM plants transport phosphoenolpyruvate in addition to the above mentioned metabolites. In plastids from pea roots the phosphate translocator also transports glucose 6-phosphate. This diversity of phosphate translocators is discussed in view of the special functions of the various plastids.Keywords
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