Genotoxic Effects of Titanium Dioxide Nanoparticles in Mosquitoes
Author Information
Author(s): Aastha Saini, Kanwaljit Kaur Ahluwalia, Amrik Singh Ahluwalia, Neelam Thakur, Puneet Negi, Abeer Hashem, Khalid F. Almutairi, Elsayed Fathi Abd_Allah
Primary Institution: King Saud University, Riyadh, Saudi Arabia
Hypothesis
Do titanium dioxide nanoparticles induce genotoxic effects in the mosquito Culex quinquefaciatus?
Conclusion
Titanium dioxide nanoparticles have been found to induce significant genotoxic effects in mosquitoes, including a decline in mitotic index and various chromosomal aberrations.
Supporting Evidence
- Titanium dioxide nanoparticles were shown to significantly reduce the mitotic index in treated mosquitoes compared to controls.
- Chromosomal aberrations, including structural and numerical changes, were observed in the treated mosquitoes.
- The study used a dose of 50 µg/mL, which is below the LD20 value, to assess genotoxic effects.
- Statistical analysis confirmed the significance of the findings with p<0.05.
- Previous studies have reported similar genotoxic effects of titanium dioxide nanoparticles in other organisms.
Takeaway
Tiny particles called titanium dioxide nanoparticles can harm mosquitoes by messing up their DNA and making it hard for their cells to divide.
Methodology
The study involved exposing early fourth instar larvae of Culex quinquefaciatus to titanium dioxide nanoparticles and assessing their effects on mitotic index and chromosomal aberrations.
Limitations
The study focused only on one species of mosquito and did not explore long-term effects or other potential environmental impacts.
Participant Demographics
Early fourth instar larvae of Culex quinquefaciatus were used in the study.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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