Patterns of purine nucleotides in some North Sea fish erythrocytes.
1. The purine nucleotides were determined in the whole blood of 13 species of seawater teleosts and 3 species of selachians. 2. The ATP/ADP ratio ranged from 4 to 50 in the erythrocytes of the fish examined. 3. GTP is widely distributed in fish erythrocytes but its level ranged from 2 to 27 nmol/mg Hb, the highest value being observed in Conger. 4. Conger, Melanogrammus and Merlangus exhibited a GTP/ATP ratio higher than 1. The concentration of GTP per mol of Hb (physiologically most indicative) is higher than 1 in Conger, Melanogrammus, Merlangus and Pollachus, and close to 1 in Molva and Gadus.[1]References
- Patterns of purine nucleotides in some North Sea fish erythrocytes. Leray, C. Comp. Biochem. Physiol., B (1982) [Pubmed]
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