HAZARDOUS EFFECTS OF PERFLUOROOCTANE SULFONYL FLUORIDE ON EMBRYONAL DEVELOPMENT OF SEA URCHIN (ARBACIA LIXULA)

摘要

Persistent organic compounds are new type of chemicals that are getting great attention due to their wide usage in Various industries for nearly 50 years all over the world and moreover, enviromnen- tal concerns. Perfluorinated compounds such as Perfluorooctane Sulfonyl Fluoride (POSF) are types of persistent organic pollutant (POP) and they tend to accumulate in fat tissues of organisms, which can lead to biomagnification in ecosystems. The early developmental stages namely, larvae and embryos are the most sensitive group of living organisms in the ecosystems and therefore they are generally more sensitive to pollutants than adults. With the current study it’s aimed to evaluate on the effects of Perfluorooctane sulfonyl fluoride on aquatic ecosystems by sea urchin embryo toxicity and fertilization success. According to results the EC5oVal11e of Perfluo- rooctane Sulfonyl Fluoride (POSF) is calculated as 7,54 mg/L and 16,787 mg/L for fertilisation suc- cess. In comparison with the other aquatic species, sea urchin embryos showed similar sensitivity. The results show that POSF caused minor inhibition of normal embryonic development in the sea urchin embryo and larvae.