Abstract
The effects of stress produced by noxious cutaneous stimulation on the concentration of 18 amino acids in the hemolymph of Aplysia californica were examined. The concentration of alanine and glutamate increased in response to stress and remained elevated for at least 6 h. The total amino acid concentration in the hemolymph did not change significantly in response to stress. It is concluded that stress evokes an increase in circulating alanine and glutamate levels. These factors may then act in a paracrine, endocrine, or neuroendocrine manner to modify stress-associated behaviors.
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Abbreviations
- AA:
-
amino acids(s)
- bw:
-
body weight
- SEM:
-
standard error of the mean
- SW:
-
sea water
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Krontiris-Litowitz, J.K., Walters, E.T. & McAdoo, D.J. Stress-elicited changes in amino acid levels of hemolymph of Aplysia californica . J Comp Physiol B 163, 671–675 (1994). https://doi.org/10.1007/BF00369518
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DOI: https://doi.org/10.1007/BF00369518