Spermiotoxicity and embryotoxicity of permethrin in the sea urchin paracentrotus lividus
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Tarih
2015
Yazarlar
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
Springer
Erişim Hakkı
info:eu-repo/semantics/embargoedAccess
Özet
The toxicity of permethrin on the fertilization and early development of sea urchin Paracentrotus lividus embryos were studied. Spermiotoxicity was evaluated on the basis of fertilization rate. Embryotoxicity was determined by comparing the frequency of normal development and malformations in embryos exposed to permethrin throughout their development. Permethrin inhibited fertilization success, and yielded IC25 and IC50 values of 0.58 (CL = 0.44-0.77) and 0.94 (CL = 0.92-0.95) A mu g/L, respectively. The embryotoxicity of permethrin was concentration dependent indicating a decreased percentage of normally developed plutei with increasing permethrin concentrations: IC25 = 0.195 A mu g/L (CL = 0.15-0.26) and IC50 = 0.346 A mu g/L (CF = 0.29-0.41). Associated with the decrease in normal pluteus frequency was an increase in larval malformations as skeleton deformities. The results suggest that permethrin is more highly toxic to embryos than to sperm, and that this insecticide may present a potential risk for the sea urchin in contaminated marine environments.
Açıklama
Anahtar Kelimeler
Sea Urchin, Paracentrotus Lividus, Embryotoxicity, Spermiotoxicity, Synthetic Pyrethroids, Permethrin
Kaynak
Bulletin of Environmental Contamination and Toxicology
WoS Q Değeri
N/A
Scopus Q Değeri
Q2
Cilt
94
Sayı
4
