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Studies on glycosphingolipids of fresh-water bivalves. 3. Isolation and characterization of a novel globoside containing mannose from spermatozoa of the fresh-water bivalve, Hyriopsis schlegelii
Hori, T.; Sugita, M.; Kanbayashi, J.; Itasaka, O. (1977). Studies on glycosphingolipids of fresh-water bivalves. 3. Isolation and characterization of a novel globoside containing mannose from spermatozoa of the fresh-water bivalve, Hyriopsis schlegelii. J. Biochem. 81(1): 107-114
In: Journal of biochemistry. Nippon Seikagakkai ;: Tokyo; San Francisco, Calif.. ISSN 0021-924X; e-ISSN 1756-2651
Peer reviewed article  

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Trefwoorden
    Aminozuren; Biochemie; Chemische analyse; Saccharides; Sperma; Vetten; Hyriopsis schlegelii; Zoet water

Auteurs  Top 
  • Hori, T.
  • Sugita, M.
  • Kanbayashi, J.
  • Itasaka, O.

Abstract
    Three globosides were isolated from spermatozoa of H. schlegelii by mild alkaline hydrolysis, acetone precipitation, Unisil column chromatography and preparative thin- layer chromatography. These globosides are unique in their sugar chains, since they contain mannose instead of the galactose found so far in all globosdes of mammals and other animals examined. The main globoside in the spermatozoa was characterized as Glc-Nac{beta} (1 -> 2) Man{beta}- (1 -> 3) Man{beta} (1 -> 4) Glc{beta} (1 -> 1) -ceramide by partial acid hydrolysis, analysis of its anomeric configuration with chromium trioxide, metylation analysis and enzymatic hydrolysis. The globoside contained normal saturated fatty acids ranging in length from C16 to C21, palmitic and stearic acids being predominant. Its main long-chain was octadeca-4-sphingenine.

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