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  • Title: Free amino acids in seminal fluid & haemolymph of Cimex lectularious L. & their possible role in sperm metabolism.
    Author: Rao HV.
    Journal: Indian J Exp Biol; 1974 Jul; 12(4):346-8. PubMed ID: 4457467.
    Abstract:
    Previously it was shown that glucose and trehalose are present in the hemolymph of Cimex lectularious L. and that the active bed bug sperm can utilize these sugars oxidatively. A study was conducted on the occurrence of amino acids in the seminal fluid and the hemolymph of the bed bug and the enzymes of Cimex sperm concerned with amino acid metabolism. It was determined that the hemolymph contains 12 free amino acids and in the seminal fluid, there are 8. In the Cimex sperm, transaminase activity is limited, with L-alanine the only amino acid involved in transamination. Although it is understood that amino acids constitute a very limited source of energy to the bed bug sperm! an oxidative deamination of L-alanine may occur, since oxygen is available to the sperm and alanine and glutamic acid are present in the seminal fluid and hemolymph.
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