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The Modes of Action of Toxic Agents III. Mercuric Chloride and N-Amylmercuric Chloride on Crustaceans

Published online by Cambridge University Press:  11 May 2009

E. D. S. Corner  and
F. H. Rigler
E. D. S. Corner
Affiliation:
International Paints Research Fellow, the Plymouth Laboratory,
F. H. Rigler
Affiliation:
Zoology Dept., University of Toronto
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Extract

Experiments have been carried out with 203Hg-labelled n-amylmercuric chloride (n-C5H11HgCl) and mercuric chloride (HgCl2) to study the modes of action of these compounds as poisons to some crustaceans.

Differences between the susceptibilities of Artemia salina and Elminius modestus to the poisons do not reflect differences between the quantities of these compounds which the animals can tolerate in their tissues, but are directly related to the rates at which the poisons are accumulated. Thus, experiments with either species have shown that Hg is taken up at approximately the same rate from equitoxic solutions of the two poisons; and the rates at which Hg is accumulated by the two species from equitoxic solutions of either poison are of the same order.

Experiments with reduced glutathione have given results consistent with the view that most of the Hg taken up by either species penetrates into the tissues of the test animals and does not act simply by becoming attached to their surfaces.

Direct evidence of the penetration of Hg compounds into a crustacean has been obtained from experiments with Leander serratus. Considerable amounts of Hg have been detected in the antennary glands.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 37 , Issue 1 , February 1958 , pp. 85 - 96
Copyright
Copyright © Marine Biological Association of the United Kingdom 1958

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References

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