Comparative study of sturgeon oocyte soluble proteins by isoelectric focusing.
Identifieur interne : 001F95 ( Main/Merge ); précédent : 001F94; suivant : 001F96Comparative study of sturgeon oocyte soluble proteins by isoelectric focusing.
Auteurs : A. Keyvanfar [France] ; D. Rochu ; J M FineSource :
- Comparative biochemistry and physiology. B, Comparative biochemistry [ 0305-0491 ] ; 1988.
English descriptors
- KwdEn :
- MESH :
- chemical , analysis : Egg Proteins.
- analysis : Oocytes.
- metabolism : Fishes.
- Animals, Electrophoresis, Cellulose Acetate, Female, Isoelectric Focusing, Species Specificity.
Abstract
1. Soluble caviar (oocyte) proteins of four sturgeon species from the Caspian sea, Acipenser stellatus (Sevrouga), Acipenser guldenstadti (Ossietre), Acipenser nudiventris (Chipe) and Huso huso (Belouga) were studied by isoelectric focusing. 2. Isoelectric focusing patterns of these proteins differ from one species to another and allow the identification of the specific origin of caviar. 3. Moreover, this technique allowed the discrimination of a subspecies, Acipenser guldenstadti persicus from the species. 4. This biochemical characterization of caviar proteins allowing identification of sturgeon species producing caviar could be added to data used in fraud tests.
PubMed: 3409666
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