Author:
Possmayer F.,Strickland K. P.
Abstract
Studies have been carried out on the incorporation of32P-labeled α-glycerophosphate (α-G32P) into the lipids of preparations obtained from rat brain cerebral hemispheres. The optimal incorporating system contains Tris and phosphate buffers (pH 7.4), MgCl2, CoA, EDTA, NaF and ATP. The incorporation of α-G32P into monophosphoinositide was stimulated by CDP-choline, CDP-ethanolamine, CDP-glycerol and CTP. These nucleotides depressed the incorporation of α-G32P into phosphatidic acid. Microsomal preparations supported a high incorporation of α-G32P into phosphatidic acid, but the incorporation into monophosphoinositide was low compared with the whole homogenate. Similar observations were made with mitochondrial preparations undergoing oxidative phosphorylation with CoA added to the medium.
Publisher
Canadian Science Publishing
Cited by
16 articles.
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