Abstract
THE relationship of free to bound amino-acids as well as their distribution in the various types of tissues is poorly understood in invertebrates. The variation in amino-acid content of mosquitoes was shown by Mick and Ellis1 to correlate with species differences. Recent investigations of other invertebrates have shown that environmental differences will produce a change in amino-acid composition within the same species2. If amino-acid composition is to be used as a measure of species relationship or as a criterion of metabolic activity a better understanding of the relationship of free to bound amino-acids and of the variability of amino-acid content from one tissue to another within an animal would be desirable. The work recorded here was carried out with this purpose in mind.
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References
Mick, D., and Ellis, J., Proc. Soc. Exp. Biol. and Med., 78, 69 (1951).
Schafer, R., Pac. Sci., 15, 49 (1961).
Scriver, C. R., Schafer, I. A., and Efron, M. L., Nature, 192, 672 (1961).
Selim, A. S. M., and Greenberg, D. M., J. Biol. Chem., 234, 1474 (1959).
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SCHAFER, R. A Comparison of Free and Bound Amino-acids from Three Tissues of Cancer antennarius. Nature 204, 1193–1194 (1964). https://doi.org/10.1038/2041193a0
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DOI: https://doi.org/10.1038/2041193a0
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