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Physiological and Morphogenetic Effects of Monophenyltin Trichloride on Ocenebra erinacea (L.)

Physiological and Morphogenetic Effects of Monophenyltin Trichloride on Ocenebra erinacea (L.)
Physiological and Morphogenetic Effects of Monophenyltin Trichloride on Ocenebra erinacea (L.)
Trialkyltin compounds (butyl and phenyl) have been used in marine paints as antifoulants. These compounds degrade naturally in a process that involves the progressive removal of the organic groups attached to the tin atom. The biological activity of these organotins has been shown to decrease from the trialkyltin through dialkyltin to the monoalkyltin forms. Although these compounds are effective against their target organisms they and their degradation products have widespread and deleterious effects on non-fouling species, even when diluted to sub-lethal concentration. For example, the occurrence of abnormal penile morphogenesis (imposex) in females of the neogastropods Nucella lapillus (L.) and Ocenebra erinacea (L.) has been correlated with elevated environmental concentrations of TBT and its degradation products. Evidence is presented that demonstrates measurable sub-lethal effects of a less active form of organotin (monophenyltin = MPhT) on penile length and hydromineral regulation in O. erinacea. Specimens were collected from two sites on the south and south-western coasts of Britain, i.e. the western Solent and south Devon. It was found that exposure to MPhT increased penile length in males and females from the south Devon site but a reduction was observed in animals from the western Solent. There was also a reduction in the diffusional water permeabilities and activities of ionophoretic enzymes of the MPhT-treated animals from both groups compared to their respective controls.
Imposex, Ocenebra erinacea, monophenyl tin, osmo-regulation
0269-8463
449-454
Hawkins, Lawrence
9c4d1845-82db-4305-acb5-31b218ac9c0e
Hutchinson, S.
b8916167-2f39-4738-b405-58f36b5dba45
Hawkins, Lawrence
9c4d1845-82db-4305-acb5-31b218ac9c0e
Hutchinson, S.
b8916167-2f39-4738-b405-58f36b5dba45

Hawkins, Lawrence and Hutchinson, S. (1990) Physiological and Morphogenetic Effects of Monophenyltin Trichloride on Ocenebra erinacea (L.). Functional Ecology, 4 (3), 449-454. (doi:10.2307/2389608).

Record type: Article

Abstract

Trialkyltin compounds (butyl and phenyl) have been used in marine paints as antifoulants. These compounds degrade naturally in a process that involves the progressive removal of the organic groups attached to the tin atom. The biological activity of these organotins has been shown to decrease from the trialkyltin through dialkyltin to the monoalkyltin forms. Although these compounds are effective against their target organisms they and their degradation products have widespread and deleterious effects on non-fouling species, even when diluted to sub-lethal concentration. For example, the occurrence of abnormal penile morphogenesis (imposex) in females of the neogastropods Nucella lapillus (L.) and Ocenebra erinacea (L.) has been correlated with elevated environmental concentrations of TBT and its degradation products. Evidence is presented that demonstrates measurable sub-lethal effects of a less active form of organotin (monophenyltin = MPhT) on penile length and hydromineral regulation in O. erinacea. Specimens were collected from two sites on the south and south-western coasts of Britain, i.e. the western Solent and south Devon. It was found that exposure to MPhT increased penile length in males and females from the south Devon site but a reduction was observed in animals from the western Solent. There was also a reduction in the diffusional water permeabilities and activities of ionophoretic enzymes of the MPhT-treated animals from both groups compared to their respective controls.

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More information

Published date: 1990
Keywords: Imposex, Ocenebra erinacea, monophenyl tin, osmo-regulation

Identifiers

Local EPrints ID: 453488
URI: http://eprints.soton.ac.uk/id/eprint/453488
ISSN: 0269-8463
PURE UUID: 287bbdc6-def6-4173-8c5b-3bd7767620df
ORCID for Lawrence Hawkins: ORCID iD orcid.org/0000-0002-9236-2396

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Date deposited: 18 Jan 2022 17:39
Last modified: 24 Jul 2022 01:32

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Author: S. Hutchinson

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