Journal Article

Acetylcholinesterase activity in hosts (herring <i>Clupea harengus</i>) and parasites (<i>Anisakis simplex</i> larvae) from the southern Baltic

Magdalena Podolska and Dorota Napierska

in ICES Journal of Marine Science

Published on behalf of ICES/CIEM

Volume 63, issue 1, pages 161-168
Published in print January 2006 | ISSN: 1054-3139
Published online January 2006 | e-ISSN: 1095-9289 | DOI: http://dx.doi.org/10.1016/j.icesjms.2005.08.001
Acetylcholinesterase activity in hosts (herring Clupea harengus) and parasites (Anisakis simplex larvae) from the southern Baltic

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This study compares the acetylcholinesterase (AChE) activity of herring Clupea harengus infected with Anisakis simplex larvae and non-infected individuals caught in coastal waters of the southern Baltic. Acetylcholinesterase activity was measured spectrophotometrically. Generalized linear models were applied to analyse the dependence of AChE activity on the area of sampling and the biological parameters of fish and their parasites. The AChE activity of herring was higher in samples from the western and central coasts (regarded as “clean” waters) than in fish caught in the semi-enclosed areas of the Gulf of Gdańsk and Vistula Lagoon (regarded as “polluted” sites). The opposite relationship was noted in the activity of AChE extracted from A. simplex larvae. In male hosts, the parasitic AChE activity was markedly higher than in the females in all examined areas.

Keywords: AChE; Anisakis simplex; Baltic Sea; Clupea harengus; herring

Journal Article.  4434 words.  Illustrated.

Subjects: Environmental Science ; Marine and Estuarine Biology

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