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https://open.uns.ac.rs/handle/123456789/20663
Nаziv: | The effect of long term exposure to cadmium on Ostrinia nubilalis growth, development, survival rate and oxidative status | Аutоri: | Vukašinović Elvira Čelić (Nikolić) Tatjana Kojić Danijela Franeta Filip Milić Stanko Ninkov Jordana Blagojević Duško P. Purać Jelena |
Dаtum izdаvаnjа: | 2020 | Čаsоpis: | Chemosphere | Sažetak: | © 2019 Elsevier Ltd In this study the effect of long term exposure to cadmium (Cd) on Ostrinia nubilalis larval growth, development, survival rate and oxidative status was analyzed. Newly hatched first instar - L1 larvae were reared on a Cd contaminated diet until the larvae reached the final, fifth instar - L5 or developed into pupae. In total, six experimental groups, five treatments (concentrations of Cd in fresh diet: Cd I: 0.73, Cd II: 3.70, Cd III: 6.85, Cd IV: 41.71 and Cd V: 77.53 mg kg−1) and a control group (C) were set up. The results of the experiment showed that exposure to higher concentrations of Cd (41.71 and 77.53 mg kg−1) had a significant influence on development and redox status of O. nubilalis larvae: (1) the development rate was strongly reduced resulting in a prolonged pupation time; (2) the survival rate of larvae was prominently lower; (3) bioaccumulation factor (measured in pupae) was reduced which indicated that larvae could accumulate Cd to a certain level; (4) the level of the lipid peroxidation was significantly higher, which points to oxidative damage; (5) the expression of Mtn was significantly up-regulated while Cat and GPx genes down-regulated. In conclusion, long term exposure to dietary Cd in a concentration of 41.7 mg kg−1 and higher, induced oxidative stress and slowed down growth and development of O. nubilalis larvae. | URI: | https://open.uns.ac.rs/handle/123456789/20663 | ISSN: | 0045-6535 | DOI: | 10.1016/j.chemosphere.2019.125375 |
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