Evidence for the presence and specificity of an unidentified plasma cofactor increasing haemocyanin oxygen affinity in two natantid crustaceans
✍ Scribed by Morris, S. ;Bridges, C. R. ;Grieshaber, M. K.
- Publisher
- John Wiley and Sons
- Year
- 1985
- Tongue
- English
- Weight
- 422 KB
- Volume
- 234
- Category
- Article
- ISSN
- 0022-104X
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✦ Synopsis
Investigation of haemocyanin oxygen affinity in two species of Palaemon has demonstrated the presence of an unidentified factor (s); (U.F.), in the plasma, that increases oxygen affinity. Plasma exchange experiments have further demonstrated that this factor is not species-specific and that the magnitude of the effect is dependent on the particular haemocyanin molecule. It has not been possible to demonstrate conclusively that the effect of this factor($ can be reduced by dilution of the plasma. The variability in the extent of this cofactor effect, throughout the Crustacea, may be explained by variable sensitivity of haemocyanin to U.F.