Lipid synthesis in the adult dog heartworm, Dirofilaria immitis. 1979

A C Turner, and W F Hutchison
Department of Preventive Medicine, University of Mississippi School of Medicine, Jackson 39216.

1. Incorporation studies with three labelled substrates--[14C]2-glycerol, [14C]1-acetate and [14C]1-oleic acid--demonstrated that adult dog heartworms can synthesize all classes of complex lipids present, including free cholesterol. 2. Diacylglycerols and phosphoglycerides were most rapidly labelled regardless of the precursor employed. 3. 14C from glycerol was found in the aqueous phase of saponified lipids, whereas that from oleic acid was in the fatty acid portion. 4. Tag from acetate was predominantly in the fatty acid portion of saponified lipids and also occurred in the unesterified fatty acids. 5. Acetate and unesterified fatty acids, as represented by oleic acid, were more readily used for lipid synthesis than was glycerol.

UI MeSH Term Description Entries
D008055 Lipids A generic term for fats and lipoids, the alcohol-ether-soluble constituents of protoplasm, which are insoluble in water. They comprise the fats, fatty oils, essential oils, waxes, phospholipids, glycolipids, sulfolipids, aminolipids, chromolipids (lipochromes), and fatty acids. (Grant & Hackh's Chemical Dictionary, 5th ed) Lipid
D009829 Oleic Acids A group of fatty acids that contain 18 carbon atoms and a double bond at the omega 9 carbon. Octadecenoic Acids,Acids, Octadecenoic,Acids, Oleic
D004182 Dirofilaria A genus of filarial nematodes. Various immature species have been found to infect the eyes or subcutaneous tissue in humans. Dirofilarias
D004285 Dogs The domestic dog, Canis familiaris, comprising about 400 breeds, of the carnivore family CANIDAE. They are worldwide in distribution and live in association with people. (Walker's Mammals of the World, 5th ed, p1065) Canis familiaris,Dog
D005370 Filarioidea A superfamily of nematodes of the order SPIRURIDA. Members possess a filiform body and a mouth surrounded by papillae. Litomosoides,Filarioideas,Litomosoide
D005990 Glycerol A trihydroxy sugar alcohol that is an intermediate in carbohydrate and lipid metabolism. It is used as a solvent, emollient, pharmaceutical agent, or sweetening agent. 1,2,3-Propanetriol,Glycerin,1,2,3-Trihydroxypropane,Glycerine
D000042 Absorption The physical or physiological processes by which substances, tissue, cells, etc. take up or take in other substances or energy.
D000085 Acetates Derivatives of ACETIC ACID. Included under this heading are a broad variety of acid forms, salts, esters, and amides that contain the carboxymethane structure. Acetate,Acetic Acid Esters,Acetic Acids,Acids, Acetic,Esters, Acetic Acid
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D050260 Carbohydrate Metabolism Cellular processes in biosynthesis (anabolism) and degradation (catabolism) of CARBOHYDRATES. Metabolism, Carbohydrate

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