alexa Lysosomal membrane stability and metallothioneins in digestive gland of Mussels (Mytilus galloprovincialis Lam.) as biomarkers in a field study.
General Science

General Science

Journal of Biotechnology & Biomaterials

Author(s): Petrovi S, Ozreti B, KrajnoviOzreti M, Bobinac D

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Abstract The lysosomal membrane destabilization and the metallothionein content in the digestive gland cells of mussels (Mytilus galloprovincialis Lam.), collected along the east coast of the North Adriatic (Istrian and Kvarnerine coast, Croatia), were examined over a period of four years (1996-1999). The lysosomal membrane stability, as a biomarker of general stress, showed that the membrane labilization period in mussels from polluted, urban- and industrial-related areas was significantly decreased (p < 0.05) when compared to mussels from control, clean seawater sites. In the harbour of Rijeka, the most contaminated site, the lysosomal membrane stability was reduced by more than 70\% compared to the control. This method also proved to be a useful biomarker for detection of additional stress caused by short-term hypoxia that occurred once during this study inside the polluted and periodically quite eutrophic Pula Harbour. The concentration of metallothioneins in the mussel digestive gland, as a specific biomarker of exposure to heavy metals, did not reveal significant differences (p < 0.05) between sites covered by this study.
This article was published in Mar Pollut Bull and referenced in Journal of Biotechnology & Biomaterials

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