The effect of TiO2NPs on cloransulam-methyl toxicity to earthworm (Eisenia fetida)

Wu, Ruolin; Liu, Hunan; Lu, Chengbo; Hou, Kaixuan; Wang, Xiaole; Wang, Jun; Du, Zhongkun; Li, Bing; Zhu, Lusheng; Wang, Jinhua

doi:10.1016/j.chemosphere.2023.138242

Cited by 5 publications

(1 citation statement)

References 48 publications

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“…8-OHdG (8-hydroxy-2′-deoxyguanosine) is a well-established biomarker of oxidative stress [ 51 , 52 , 56 , 57 , 58 ]. It is a metabolite of oxidative stress produced in the reaction of hydroxyl radicals with DNA strands [ 51 , 52 ].…”

Section: Discussionmentioning

confidence: 99%

Multigenerational Effects of Graphene Oxide Nanoparticles on Acheta domesticus DNA Stability

Flasz

Ajay

Tarnawska

et al. 2023

IJMS

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The use of nanoparticles like graphene oxide (GO) in nanocomposite industries is growing very fast. There is a strong concern that GO can enter the environment and become nanopollutatnt. Environmental pollutants’ exposure usually relates to low concentrations but may last for a long time and impact following generations. Attention should be paid to the effects of nanoparticles, especially on the DNA stability passed on to the offspring. We investigated the multigenerational effects on two strains (wild and long-lived) of house cricket intoxicated with low GO concentrations over five generations, followed by one recovery generation. Our investigation focused on oxidative stress parameters, specifically AP sites (apurinic/apyrimidinic sites) and 8-OHdG (8-hydroxy-2′-deoxyguanosine), and examined the global DNA methylation pattern. Five intoxicated generations were able to overcome the oxidative stress, showing that relatively low doses of GO have a moderate effect on the house cricket (8-OHdG and AP sites). The last recovery generation that experienced a transition from contaminated to uncontaminated food presented greater DNA damage. The pattern of DNA methylation was comparable in every generation, suggesting that other epigenetic mechanisms might be involved.

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