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Cytotoxic and genotoxic effect of oxyfluorfen on hemocytes of Biomphalaria glabrata

Abstract

Chemicals released from anthropogenic activities such as industry and agriculture often end up in aquatic ecosystems. These substances can cause serious damage to these ecosystems, thus threatening the conservation of biodiversity. Among these substances are pesticides, such as oxyfluorfen, a herbicide used for the control of grasses and weeds. Considering its widespread use, it is important to investigate the possible toxicity of this compound to aquatic organisms, especially invertebrates. Hence, the use of biological systems able to detect such effects is of great importance. The mollusk Biomphalaria glabrata has been shown to be useful as an environmental indicator to assess the potential ecological effects of physical and chemical stressors in freshwater environments. The present study sought to detect mutagenic changes in hemocytes of B. glabrata exposed to oxyfluorfen. To perform these tests, this study used ten animals per group, exposed acutely (48 h) and chronically (15 days) to oxyfluorfen. The herbicide concentrations were 0.125, 0.25, and 0.5 mg/L. The results showed that oxyfluorfen induced significant frequencies of micronuclei, binucleated cells, and apoptosis in hemocytes of mollusks when compared to the control group. Unlike chronic exposure, acute exposure was dose-dependent. The present study’s results demonstrate the cytotoxic and genotoxic effects of oxyfluorfen on hemocytes of B. glabrata.

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Correspondence to Williams Nascimento de Siqueira.

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Responsible editor: Markus Hecker

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de Vasconcelos Lima, M., de Siqueira, W.N., Silva, H.A.M.F. et al. Cytotoxic and genotoxic effect of oxyfluorfen on hemocytes of Biomphalaria glabrata. Environ Sci Pollut Res 26, 3350–3356 (2019). https://doi.org/10.1007/s11356-018-3848-3

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  • DOI: https://doi.org/10.1007/s11356-018-3848-3

Keywords

  • Biomphalaria glabrata
  • Genotoxic
  • Hemocyte
  • Herbicide
  • Mollusk
  • Oxyfluorfen