A Comparative Study of Purines Responsible for Silvering in Several Freshwater Fishes
The major purines occurring in silvery depositions were analysed for several taxonomically diverse species of freshwater fishes by paper chromatography and ultraviolet-spectrophotometry.Guanine and lesser quantities of hypoxanthine were the only purines found in the skin silvery layers of the channe...
| Published in: | Journal of the Fisheries Research Board of Canada |
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| Main Author: | |
| Format: | Article in Journal/Newspaper |
| Language: | English |
| Published: |
Canadian Science Publishing
1969
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| Subjects: | |
| Online Access: | http://dx.doi.org/10.1139/f69-176 http://www.nrcresearchpress.com/doi/pdf/10.1139/f69-176 |
| Summary: | The major purines occurring in silvery depositions were analysed for several taxonomically diverse species of freshwater fishes by paper chromatography and ultraviolet-spectrophotometry.Guanine and lesser quantities of hypoxanthine were the only purines found in the skin silvery layers of the channel catfish (Ictalurus punclatus), burbot (Lota lota), brook stickleback (Culaea inconstans), pike (Esox lucius), walleye (Stizostedion vitreum), sauger (S. canadense), goldfish (Carassius auratus), brook trout (Salvelinus fontinalis), and trout perch (Percopsis omiscomaycus). Possibly both guanine and hypoxanthine generally occur in fish skin silvery layers.In the pike and walleye the purines in the homogenized eye were examined and guanine and hypoxanthine recovered. However, for the swimbladder of pike, walleye, and channel catfish guanine alone was found. |
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