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Article Details

Article Details

  • Article Code : FIRAT-AKADEMI-8320-3871
  • Article Type : Araştırma Makalesi
  • Publication Number : 5A0079
  • Page Number : 19-27
  • Doi : 10.12739/NWSA.2016.11.4.5A0079
  • Abstract Reading : 697
  • Download : 124
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Issue Details

  • Year : 2016
  • Volume : 11
  • Issue : 4
  • Number of Articles Published : 2
  • Published Date : 1.10.2016

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Dergi Kapağı
Ecological Life Sciences

Serial Number : 5A
ISSN No. : 1308-7258
Release Interval (in a Year) : 4 Issues

TILAPIA (Oreochromis niloticus) BALIĞI DOKULARINDA PROTEİN VE Pb DÜZEYLERİ ÜZERİNE Pb VE Pb+Zn KARIŞIMININ ETKİSİ

Gülbin FİRİDİN1

Balıklar ekosistem içerisinde insanlar tarafından tüketilen önemli bir protein kaynağıdır. Bu çalışmada Afrika kökenli tatlı su çipurası Oreochromis niloticus’un solungaç ve kas dokularında kurşunun (Pb) toksik etkisi incelenmiştir. Balıklar 7, 14 ve 28 günlük sürelerle Pb (0.1 ve 0.5 mg/L Pb) ve Pb+Zn (çinko)(0.1+0.5 mg/L Pb+Zn ve 0.5+2.5 mg/L Pb+Zn) konsantrasyonlarına maruz bırakılmıştır. Dokuların protein miktarı U.V spektrofotometrik yöntem ile incelenmiştir. Dokulardaki Pb birikimi ise Atomik Absorbsiyon Spektrofotometresiyle belirlenmiştir. Pb ve Pb+Zn etkisinde dokulardaki Pb birikimi kontrol grubuna göre önemli bir şekilde artarken protein düzeyi azalmıştır. Pb birikimi solungaçta daha fazla bulunmuştur. Çalışılan tüm sürelerde Zn’nin O. niloticus dokularında Pb birikimini önemli ölçüde azalttığı saptanmıştır.

Keywords
Oreochromis niloticus, Kurşun, Çinko, Protein Düzeyi,, Toksisite,

THE EFFECT OF Pb AND Pb + Zn MIXTURE ON PROTEIN AND Pb LEVELS OF TILAPIA FISH (Oreochromis niloticus)

Gülbin FİRİDİN1

Fish is an important source of protein consumed by people in the ecosystem. In this study, African freshwater fish Oreochromis niloticus were investigated to lead (Pb) toxicity in gill and muscle tissues. Fish were exposed to Pb (0.1 and 0.5 mg/L Pb) and Pb+Zn (0.1+0.5 mg/L Pb+Zn and 0.5+2.5 Pb+Zn mg/L) concentrations at 7, 14 and 28 days. Tissue protein levels were determined by U.V. spectrophotometric method. The Pb accumulations in the tissues were determined by Atomic Absorption Spectrophotometer. While Pb accumulation significantly decreased to compare with the control group, the protein level increased in the tissues under the effects of Pb and Pb+Zn. Pb accumulation was higher in the gills. Zn was found to significantly reduce Pb accumulation in O. niloticus tissues, studied at all times.

Keywords
Oreochromis niloticus, Lead, Zinc, Protein Level, oxicity,

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Authors

Gülbin FİRİDİN (1) (Corresponding Author)
GAZI ÜNIVERSITESI
gulbinfiridin@gazi.edu.tr | 0000-0002-7012-0900

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References
[1] Al-Asgah, N.A., Abdel-Warith, A.A., Younis, E.M. and Allam, H.Y., (2015). Haematological and Biochemical Parameters and Tissue Accumulations of Cadmium in Oreochromis niloticus exposed to Various Concentrations of Cadmium Chloride. Saudi Journal of Biological Sciences. Sayı:22(5), ss:543–550.