Cadmium bioconcentration in the echinoid Paracentrotus lividus: Influence of the cadmium concentration in seawater
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Diet variably affects the trophic transfer of trace elements in the oyster Crassostrea gigas
2020, Marine Environmental ResearchCitation Excerpt :The radioactivity was determined by comparison with standards of known activity and of appropriate geometry (Cresswell et al., 2017), and corrected for counting efficiency and physical radioactive decay. The counting time was adjusted to obtain a propagated counting error less than 5% (Warnau et al., 1996, 1997). Trophic transfer of trace elements to oysters was studied using protozoan and phytoplankton as diets.
Influence of food (ciliate and phytoplankton) on the trophic transfer of inorganic and methyl-mercury in the Pacific cupped oyster Crassostrea gigas
2020, Environmental PollutionCitation Excerpt :The radioactivity was determined by comparison with standards of known activity and of appropriate geometry (Cresswell et al., 2017), and corrected for counting efficiency and physical radioactive decay. The counting time was adjusted to obtain a propagated counting error less than 5% (Warnau et al., 1996, 1997). Trophic transfer of iHg and MeHg in oysters was studied using protozoan and phytoplankton as diets.
Aberrant gene expression profiles in Mediterranean sea urchin reproductive tissues after metal exposures
2019, ChemosphereCitation Excerpt :Similarly, they have been used for ecotoxicological assessment of marine environment in light of increased anthropization, global warming, and ocean acidification (Todgham and Hofmann, 2009; Dupont et al., 2010; Matranga et al., 2012). The sea urchin Paracentrotus lividus, one of the most widely distributed echinoderms in the Mediterranean Sea, is recognized as a key species for biomonitoring of marine environment (Warnau et al., 1997; Soualili et al., 2008). Most toxicological studies focusing on environmental challenges exploited the morphological perturbations during P. lividus embryo development exerted by several pollutants (Warnau and Pagano, 1994; Ragusa et al., 2017a; b).
Macro and trace elements in Paracentrotus lividus gonads from South West Atlantic areas
2018, Environmental ResearchCitation Excerpt :Studies indicate that a relationship can exist between metal content in water and organisms’ tissue (Reis et al., 2013). Warnau et al. (1997) also found that bioconcentration of Cd in P. lividus body compartments is directly proportional to Cd concentration present in seawater. The same study revealed that Cd displays a long biological half-life in echinoid tissues (Warnau et al., 1997), thus being suggested that P. lividus can be a valuable species to biomonitor Cd contamination in the marine environment.