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Biomarker considerations in monitoring petrogenic pollution using the mussel Mytilus galloprovincialis

AuthorsSolé, Montserrat ; Freitas, Rosa; Viñas, Lucia; Rivera-Ingraham, Georgina
KeywordsAntioxidant enzymes
Issue DateSep-2020
CitationEnvironmental Science and Pollution Research 27(25): 31854-31862 (2020)
AbstractMussels are worldwide bioindicators in pollution monitoring since they fulfil the requirements for being good sentinels. However, some methodological concerns arise in the use of particular biomarkers, particularly those displaying low enzymatic rates and/or limited responsiveness to chemicals and biological-related variability. In the present study, the suitability of oxidative stress and detoxification parameters when using mussels as sentinels of polycyclic aromatic hydrocarbon (PAH) pollution is addressed. Present results show that the S9 subcellular fraction of the digestive gland in mussels is an adequate and convenient matrix where to measure most pollution-related biomarkers. Furthermore, this work constitutes the first evidence of the potential suitability of using particular carboxylesterase (CE) activities in determining PAHs exposure in mussels. This fact could imply the replacement of more controversial cytochrome P450 components (phase I oxidation), which are only measurable in microsomal fractions, by CEs (measured in S9 fractions) as good alternatives for phase I reactions in PAH-exposed mussels. Some methodological considerations, such as the need of including commercial purified proteins in biomarker determinations for quality assurance, are evaluated
Description9 pages, 4 tables, supplementary material https://doi.org/10.1007/s11356-020-09427-3
Publisher version (URL)https://doi.org/10.1007/s11356-020-09427-3
Identifiersissn: 0944-1344
e-issn: 1614-7499
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