Biomarkers of biochemical and cellular stress in Carcinus maenas: an in situ field study
1998
Abstract Biomarkers are useful diagnostic tools for identifying exposure to physical, chemical, and environmental stresses. In this study a suite of techniques—measurements of metallothionein, lysosomal integrity, and osmoregulatory ability—have been used in an attempt to provide an in situ assessment of environmental quality. Five estuarine sites were studied, two clean sites, two urban sites, and one intermediate. Shore crabs, Carcinus maenas , were collected and haemolymph taken for the lysosomal and osmoregulatory assays. Animals were killed and tissue preserved for metallothionein analysis. Lysosomal integrity was significantly different in crabs from clean sites and the urban sites ( n = 40, p
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