In Vitro Fatty Acid Synthesis and Complex Lipid Metabolism in the Cyanobacterium Anabaena variabilis
- 1 January 1984
- journal article
- research article
- Published by Oxford University Press (OUP) in Plant Physiology
- Vol. 74 (1) , 134-138
- https://doi.org/10.1104/pp.74.1.134
Abstract
In vitro fatty acid synthesis was examined in crude cell extracts, soluble fractions, and 80% (NH4)2SO4 fractions from A. variabilis M3. Fatty acid synthesis was absolutely dependent upon acyl carrier protein and required NADPH and NADH. Moreover, fatty acid synthesis and elongation occurred in the cytoplasm of the cell. The major fatty acid products were palmitic acid (16:0) and stearic acid (18:0). Of considerable interest, both stearoyl-acyl carrier protein and stearoyl-coenzyme A desaturases were not detected in any of the fractions from A. variabilis. The similarities and differences in fatty acid synthesis between A. variabilis and higher plant tissues are discussed with respect to the endosymbiotic theory of chloroplast evolution.This publication has 19 references indexed in Scilit:
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