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Evidence of variation in cholinesterase activity in fish along a pollution gradient in the North Sea
Galgani, F.; Bocquene, G.; Cadiou, Y. (1992). Evidence of variation in cholinesterase activity in fish along a pollution gradient in the North Sea. Mar. Ecol. Prog. Ser. 91(1-3): 77-82
In: Marine Ecology Progress Series. Inter-Research: Oldendorf/Luhe. ISSN 0171-8630; e-ISSN 1616-1599
Also appears in:
Stebbing, A.R.D.; Dethlefsen, V.; Carr, M. (Ed.) (1992). Biological effects of contaminants in the North Sea: Results of the ICES/IOC Bremerhaven Workshop. Marine Ecology Progress Series, 91(1-3). Inter-Research: Amelinghausen. 361 pp., more
Peer reviewed article  
Available in  Authors 
Keywords
    Enzymatic activity
    Pollution > Oil pollution
    Pollution effects
    Limanda limanda (Linnaeus, 1758) [WoRMS]
    ANE, North Sea [Marine Regions]
    Marine/Coastal
Authors  Top 
  • Galgani, F.
  • Bocquene, G.
  • Cadiou, Y.
Abstract
    During the Bremerhaven Workshop cholinesterase measurements in dab Limanda limanda muscle were evaluated as a monitoring tool to assess the effect of pollutants along a 360 km transect in the North Sea, and around a drilling site. The basic properties of cholinesterases, together with their natural variability related to sex and size, were investigated. The results show the presence of at least 2 different enzymes, acetylcholinesterase and butyrylcholinesterase, with high activities in brain, muscle and liver. No variation was observed in relation to sex or size. The activity of both acetylcholinesterase and butyrylcholinesterase was depressed in nearshore stations along the transect and no variation was observed around the drilling site. The K sub(m) of acetylcholinesterase from muscle of dab varied along the transect. The results lead us to interpret enzyme variation as the result of effects of neurotoxic compounds coming from the Elbe and Weser Rivers into the German Bight, and validate cholinesterase activity as a tool for biological monitoring at sea
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