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Phospholipase C catalyzed formation of sphingomyelin-(14)C from lecithin and N-((14)C)-oleoyl-sphingosine.

Lipids

Kanfer JN, Spievlogel CH.
PMID: 27519249
Lipids. 1975 Jul;10(7):391-4. doi: 10.1007/BF02532442.

Commercial preparations ofClostridium perfringens were incubated with phosphatidyl choline and N-1-((14)C) oleoylsphingosine. A radioactive product was formed which cochromatogramed with sphingomyelin standard in three different solvent systems. Several other phospholipases and phosphatases were unable to catalyze this reaction. Neither...

Hepatic Choline Transport Is Inhibited During Fatty Acid-Induced Lipotoxicity and Obesity.

Hepatology communications

O'Dwyer C, Yaworski R, Katsumura S, Ghorbani P, Gobeil Odai K, Nunes JRC, LeBlond ND, Sanjana S, Smith TTK, Han S, Margison KD, Alain T, Morita M, Fullerton MD.
PMID: 32490323
Hepatol Commun. 2020 Apr 10;4(6):876-889. doi: 10.1002/hep4.1516. eCollection 2020 Jun.

Choline is an essential nutrient and a critical component of the membrane phospholipid phosphatidylcholine (PC), the neurotransmitter acetylcholine, while also contributing to the methylation pathway. In the liver specifically, PC is the major membrane constituent and can be synthesized...

Phosphatidylcholine synthesis in castor bean endosperm.

Plant physiology

Moore TS.
PMID: 16659487
Plant Physiol. 1976 Mar;57(3):382-6. doi: 10.1104/pp.57.3.382.

Three pathways for phosphatidylcholine synthesis were assayed in castor bean (Ricinus communis var. Hale) endosperm. Phosphatidylethanolamine: S-adenosylmethionine methyl transferase occurred predominantly in the endoplasmic reticulum fraction, but some activity appeared in the mitochondria. Phosphorylcholine glyceride transferase occurred exclusively in...

Phospholipid-synthesizing Enzymes Associated with Golgi Dictyosomes from Pea Tissue.

Plant physiology

Montague MJ, Ray PM.
PMID: 16659822
Plant Physiol. 1977 Feb;59(2):225-30. doi: 10.1104/pp.59.2.225.

Golgi dictyosomal membranes isolated from pea (Pisum sativum) stem tissue, using a combination of rate zonal and isopycnic sucrose density centrifugation, were shown to bear cytidine diphosphate-choline:diglyceride phosphorylcholinetransferase, CDP-ethanolamine:diglyceride phosphorylethanolaminetransferase, and CTP:phosphorylcholine cytidyltransferase activities. Although the majority of the...

Hormonal Control of Lecithin Synthesis in Barley Aleurone Cells: Regulation of the CDP-Choline Pathway by Gibberellin.

Proceedings of the National Academy of Sciences of the United States of America

Johnson KD, Kende H.
PMID: 16591952
Proc Natl Acad Sci U S A. 1971 Nov;68(11):2674-7. doi: 10.1073/pnas.68.11.2674.

The enzymes of the cytidine diphosphate-choline pathway, which is involved in lecithin biosynthesis, are present in imbibed barley aleurone cells. The first enzyme, choline kinase (EC 2.7.1.32), is found in the soluble protein fraction. Its activity is not affected...

Showing 1 to 5 of 5 entries