魚類血液の生化学的研究-XIII : 血清中のリポ蛋白質と糖蛋白質の電気泳動的特性

概要

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Serum protein was isolated from a few fishes by the paper electrophoresis. The protein contained glucoprotein as well as lipoprotein, which were detected by the periodic acid SCHIFF reaction and sudan black-B reaction, respectively. The electrophoretic patterns obtained indicate that, not to mention the contrast between fish and other animals, the relative mobility of serum protein is possible to greatly differ even within the realm of fish as it is the case between elasmobranchs and teleosts. The lipoprotein-and glucoprotein-reactions were positively found in the case of serum protein of teleosts such as carp, gray mullet or red snapper in an albuminlike fraction (component F or 1) judged as such from its large relative mobility, while albumin fraction of human serum or rabbit serum, both used as contrast, showed only negative ones. With elasmobranchs like shark and ray, on the other hand, these reactions were particularly distinct rather in a fraction of lower mobility (component 4) as compared with the faster fraction (component 2). These results might allow to assume that such animals having marked difference in taxological status are generally attached also by a profound difference in protein composition without connection to the apparent similarity their serum protein shows in electrophoretic mobility.
公益社団法人日本水産学会の論文