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Heavy rare earth elements affect Sphaerechinus granularis sea urchin early life stages by multiple toxicity endpoints (CROSBI ID 249047)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Gravina, Maria ; Pagano, Giovanni ; Oral, Rahime ; Guida, Marco ; Toscanesi, Maria ; Siciliano, Antonietta ; Di Nunzio, Aldo ; Burić, Petra ; Lyons, Daniel Mark ; Thomas, Philippe J. et al. Heavy rare earth elements affect Sphaerechinus granularis sea urchin early life stages by multiple toxicity endpoints // Bulletin of environmental contamination and toxicology, 100 (2018), 5; 641-646. doi: 10.1007/s00128-018-2309-5

Podaci o odgovornosti

Gravina, Maria ; Pagano, Giovanni ; Oral, Rahime ; Guida, Marco ; Toscanesi, Maria ; Siciliano, Antonietta ; Di Nunzio, Aldo ; Burić, Petra ; Lyons, Daniel Mark ; Thomas, Philippe J. ; Trifuoggi, Marco

engleski

Heavy rare earth elements affect Sphaerechinus granularis sea urchin early life stages by multiple toxicity endpoints

Heavy rare earth elements (HREEs) were tested for adverse effects to early life stages of the sea urchin Sphaerechinus granularis. Embryos were exposed to analytically measured HREE concentrations ranging from 10-7 to 10-5 M. No significant developmental defects (DD) increases were observed in embryos exposed to 10-7 M HREEs, whereas 10-5 M HREEs resulted in significant DD increase up to 96% for HoCl3 vs. 14% in controls. Embryos exposed to 10-6 M HREEs showed the highest DD frequency in embryos exposed to 10-6 M DyCl3 and HoCl3. Cytogenetic analysis of HREE-exposed embryos revealed a significant decrease in mitotic activity, with increases in mitotic aberrations. When S. granularis sperm were exposed to HREEs, a significant decrease of fertilization success was observed, with the offspring of sperm exposed to 10-5 M GdCl3 and LuCl3 showing significant DD increases. The results warrant investigations on HREEs in other test systems, and on REE-containing complex mixtures.

Heavy rare earth elements ; Sea urchins ; Embryotoxicity ; Spermiotoxicity ; Cytogenetic damage

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Podaci o izdanju

100 (5)

2018.

641-646

objavljeno

0007-4861

1432-0800

10.1007/s00128-018-2309-5

Povezanost rada

nije evidentirano

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