High bioaccumulation of cadmium and other metals in Patagonian edible gastropods

Primost, Monica Angelina; Gil, Mónica N.; Bigatti, Gregório

doi:10.1080/17451000.2017.1296163

Cited by 28 publications

(14 citation statements)

References 42 publications

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“…In the last decades, studies on bivalves and gastropod mollusks from different marine geographical areas have been extensively examined in a number of field studies contributing to a better knowledge on metal bioaccumulation processes (Giarratano et al, 2010;Aydın-Önen and Öztürk, 2017;Joksimovic et al, 2016Joksimovic et al, , 2018; see reviews Beyer et al, 2017;Reguera et al, 2018). These studies have also contributed to the evaluation of possible human health risks resulting from their consumption (Yüzereroğlu et al, 2010;Connan and Tack, 2010;Stankovic et al, 2012;Conti et al, 2012a;Jović and Stanković, 2014;Shefer et al 2015;Primost et al, 2017). For instance, a recent interesting study, connect the Cd contamination with the use of Mytilus chilensis valves as byproducts in agricultural applications (Blanc et al, 2018).…”

Section: Introductionmentioning

confidence: 99%

Performance of two Patagonian molluscs as trace metal biomonitors: The overlap bioaccumulation index (OBI) as an integrative tool for the management of marine ecosystems

Conti

Tudino

Finoia

et al. 2019

Ecological Indicators

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In this study, we have investigated Cd, Cr, Cu, Ni, Pb and Zn in the biomonitors Mytilus chilensis and Nacella (P) magellanica sampled along seven selected sampling sites along km of the coastal area of the Beagle Channel (Tierra del Fuego, Argentina) in four sampling campaigns: 2005, 2007, 2011 and 2012. The control charts were built by applying Johnson's (Biometrika 36: 149-175, 1949) probabilistic method for the first time in this marine area. We determined the metal concentration overlap ranges in the selected biomonitors (as well as medians and distribution), and the overlap bioaccumulation index (OBI) with respect to the lowest (OBI-L1) and the highest (OBI-L) extreme values of the overlap metal concentration ranges. The OBI can be used as an integrative tool in the management of prevailing unpolluted/polluted marine coastal ecosystems. It consents to identify the most suitable organisms for managing several environmental conditions where an ecosystem quality control is needed. The OBI-L1 index can be employed as a preventive signal of alarm when the contamination process is in its early stages. For Cd, Cr, Cu, and Ni, Nacella showed high OBI-L values that suggest its use as a biomonitor for mainly polluted marine ecosystems, in particular for Cd. Mytilus showed high Cd values for the OBI-L1 which means that this species is highly sensitive to a very low variation of the Cd levels in seawater. Good OBI-L1 values were instead obtained for Mytilus for Cr and Cu, showing the good aptitude of these organisms to detect minimum variations of trace metals concentrations in seawater. The OBI index and its related guidelines have both theoretical and practical implications in environmental management. They can be used, for instance, in environmental prevention from events such as oil spills or other marine disasters. Marine ecosystems are complex systems. According to the Ashby's Law (1957, 1958), the understanding of a complex system (requisite variety) depends on the information variety owned by the observer. The OBI index enhances the observer's information variety about the performance of the molluscs as metal biomonitors in marine ecosystems. Eventually, here we propose to conceptualize the wide set of biomonitoring knowledge endowment as an open and evolutionary endowment of information variety supporting the environmental management.

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Section: Introductionmentioning

confidence: 99%

Performance of two Patagonian molluscs as trace metal biomonitors: The overlap bioaccumulation index (OBI) as an integrative tool for the management of marine ecosystems

Conti

Tudino

Finoia

et al. 2019

Ecological Indicators

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“…Males of B. globulosus that inhabit LPBH area are exposed to TBT 41,44 , PAHs 46 , trace metals and products from fishing industries 45,69 . These populations have increased oxidative stress responses compared to populations in CA beach 69 , indicating the negative effects of pollutants present at the harbour site on its physiological state.…”

Section: Discussionmentioning

confidence: 99%

“…Aluminum derivates, porfids and others materials are transported during the year. High levels of trace metals, polycyclic aromatic hydrocarbons (PAHs) and TBT were previously recorded in sediments and organisms 41,[44][45][46][47][48] .…”

Section: Methodsmentioning

confidence: 99%

RXR Expression in Marine Gastropods with Different Sensitivity to Imposex Development

Giulianelli

Primost

Lanari

et al. 2020

Sci Rep

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The superposition of male sexual characteristics in female marine gastropods (imposex) represents one of the clearest ecological examples of organotin-mediated endocrine disruption. Recent evidences suggest that signaling pathways mediated by members of the nuclear receptor superfamily, RXR and PPARγ, are involved in the development of this pseudohermaphroditic condition. Here, we identified significant differences in RXR expression in two caenogastropod species from Nuevo Gulf, Argentina, Buccinanops globulosus and Trophon geversianus, which present clear contrast in imposex incidence. In addition, B. globulosus males from a polluted and an unpolluted area showed differences in RXR expression. Conversely, PPARγ levels were similar between both analyzed species. These findings indicate specie-specific RXR and PPARγ expression, suggesting a major role of RXR in the induction of imposex. Endocrine disrupting chemicals are compounds that alter the normal functioning of the endocrine system of both humans and wildlife 1. One of most relevant examples of environmental endocrine disruption in marine gastropods is the phenomenon of imposex 2 , described as an irreversible syndrome in which a female develops male-type genital organs, such as the penis and vas deferens 3,4. Imposex is intimately associated with tributyltin (TBT) marine environmental pollution 5. TBT is a common compound in marine antifouling paints, currently used in several countries 6 despite having been banned worldwide for more than 10 years 7. Although imposex levels appear to be reduced in some regions of the planet 8,9 after global ban of organotin antifoulant paints, assessing the incidence of imposex as a biomarker of TBT contamination seems to be a valuable indicator in other regions of the world such as Latin America 10-12 or South Africa 13 where TBT-based antifouling paints are still in use. The use of TBT, under controlled laboratory conditions, diluted in the water or directly injected to gastropods, was able to induce imposex in several caenogastropods 14-19. Different mechanisms have been proposed to explain the induction of imposex by TBT such as an increase in androgen levels, the involvement of penis morphogenetic/retrogressive factor, or even an increase in the neuropeptide alanine-proline-glycine-tryptophan amide 20. However, a considerable body of evidence indicates that TBT-induced imposex involves the abnormal modulation of the retinoid X receptor (RXR) signaling pathway 20-23. RXR are members of the nuclear receptor superfamily of transcription factors 24. They are activated by retinoic acid, the main derivative of vitamin A, involved in multiple signaling pathways critical for embryonic development, metabolic processes, differentiation and apoptosis in vertebrates 25,26. Although retinoid physiology is poorly understood in marine gastropods 27 , recent findings support their role during gonad maturation 28. RXR was cloned in different caenogastropods, namely, Thais clavigera 18 , Nucella lapillus 14 , Ilyanassa obsoleta 29 , Hex...

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“…Among them, Cd and Pb are two of the inorganic contaminants for which concentrations are limited by national and international regulations aimed at protecting biota and human health (SENASA, 2000; MERCOSUR, 2011). While the consumption of some species of marine gastropods has been growing in the region in recent years, the study of the presence of trace elements in their tissues is still limited (Primost et al , 2017). These authors have detected some metals (aluminium, iron, zinc, copper, cadmium and lead) in the edible marine gastropods Adelomelon ancilla , Buccinanops globulosus and Trophon geversianus and their surrounding sediments and prey in Nuevo Gulf.…”

Section: Discussionmentioning

confidence: 99%

Fatty acids and contaminants in edible marine gastropods from Patagonia

et al. 2017

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Edible marine gastropods are consumed in northern Patagonia without regulations or knowledge of nutritional composition and food quality. We determined total lipids (TL), fatty acid (FA), paralytic shellfish poison (PSP) and metal contamination in six edible marine gastropods: Buccinanops globulosus, B. cochlidium, Trophon geversianus, Odontocymbiola magellanica, Tegula patagonica and Nacella magellanica. TL was lowest in the foot (0.29–0.56%) and maximum in organs (1.43–3.2%), presenting less TL than other edible species around the world. Saturated FA were similar to other consumed marine gastropods worldwide and dominant in all species studied (33.26–48.19%), while monounsaturated FA reached about 30% only in 2 species, but did not exceed 18% in the other species. Polyunsaturated FA reached up to 23.77%, but generally did not exceed 14%. Highly unsaturated FA (AA, EPA and DHA), reached about 27%. The dominant FA was palmitic acid (0.217 to 2.43 µg mg−1).Differences in FA could be related to the different alimentation of the species. Limit of PSP consumption was exceeded in a few months only for two species. Lead was not detectable (<4 µg g−1) while cadmium ranged from 0.07 to 15.32 µg g−1. Our results can be useful to ensure the safety food of these resources, which are being consumed and exported in low quantities in Argentina, but may be commercialized massively in the near future. Monitoring these and other food resources is essential and should be performed in any established fishery of the species reported here to guarantee the safety human consumption.

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High bioaccumulation of cadmium and other metals in Patagonian edible gastropods

Cited by 28 publications

References 42 publications

Performance of two Patagonian molluscs as trace metal biomonitors: The overlap bioaccumulation index (OBI) as an integrative tool for the management of marine ecosystems

Performance of two Patagonian molluscs as trace metal biomonitors: The overlap bioaccumulation index (OBI) as an integrative tool for the management of marine ecosystems

RXR Expression in Marine Gastropods with Different Sensitivity to Imposex Development

Fatty acids and contaminants in edible marine gastropods from Patagonia

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