Penaeid shrimp hemolymph lipoproteins

Due to their hydrophobic nature, lipids are transported in the hemolymph of shrimp by protein–lipid-complexes named lipoproteins. Since cholesterol (Ch) and polyunsaturated lipids must be provided by the diet, and they are stored mainly in the hepatopancreas; a special vehicle is necessary for their...

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Bibliographic Details
Published in:Aquaculture 2000-11, Vol.191 (1), p.177-189
Main Authors: Yepiz-Plascencia, Gloria, Vargas-Albores, Francisco, Higuera-Ciapara, Inocencio
Format: Article
Language:English
Subjects:
Aquaculture
Biochemistry. Physiology. Immunology
Biological and medical sciences
Brackish
Crustacea
Crustacean
Crustaceans
Fundamental and applied biological sciences. Psychology
Hemolymph
Invertebrates
Lipids
Lipoproteins
Marine
Penaeid
Penaeidae
Physiology. Development
Plasma
Proteins
Shrimp
Vitellogenin
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Summary:Due to their hydrophobic nature, lipids are transported in the hemolymph of shrimp by protein–lipid-complexes named lipoproteins. Since cholesterol (Ch) and polyunsaturated lipids must be provided by the diet, and they are stored mainly in the hepatopancreas; a special vehicle is necessary for their mobilization to other tissues. Two types of hemolymph lipoproteins have been isolated from penaeid shrimp. Non sex-specific lipoproteins present in males and females (LPI), and female-specific lipoproteins (LPII or Vg) that occur mainly in mature females undergoing ovarian maturation. This review focuses on current knowledge about penaeid shrimp hemolymph lipoproteins and it compares their protein and lipid constituents. These lipoproteins are of the high density and very high density types. Their lipids are predominantly phospholipids (PL), but sterols, diacylglycerols (DG), triacylglycerols, and hydrocarbons (HC) have also been found. The apolipoproteins are high molecular mass polypeptides. The LPI generally contains a fewer number of apoproteins or subunits than the LPII or Vg.
ISSN:0044-8486
1873-5622
DOI:10.1016/S0044-8486(00)00427-0