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Mitotic and chromosomal effects induced for biosynthesized nanoparticles from three mediators on Allium cepa root cells

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Abstract

The genotoxicity of biogenic silver nanoparticles (AgNPs) obtained from three microbial mediators was assessed using the Allium cepa assay. Three clusters were differentiated for the highest frequency of end points of clastogenicity (stick-ends, fragments and bridges), end points of missegregation (C-metaphases and disorder anaphases), and lowest frequency of all the end points. In these clusters, the treatments were grouped respectively as I) positive control (GSF); II) silver nanoparticles form Aspergillus niger (AgNPs-An); and III) silver nanoparticles from both Cryptococcus laurentii (AgNPs-Cl) and Rhodotorula glutinis (AgNPs-Rg), Ag + , and negative control (NC). These results were in according to the principal component analisys (PCA) where treatments were associated to each component of the genotoxic effects. The statistical comparative analysis of the mitotic index (IM) and the abnormal mitosis frequency (AM) indicated that both GSF and AgNPsAn induce significant genotoxic effect. Low genotoxic effects were attributed to AgNPs-Cl and AgNPs-Rg, but mitogenic stimuli, similar to that obtained by the silver ions Ag + , were observed. Results suggested that different features of biogenic nanoparticles such as composition, size, and coating may be involved in the different cytological responses of the meristematic cells.

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All data generated or analysed during this study are included in this published article and its supplementary information files.

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Funding

This work is financially supported by the Universidad de Buenos Aires, Argentina (grant UBACyT 20020170200367BA) and by the Universidad Nacional de San Luis, Argentina (grant PRICO 02–2716).

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Nancy B. Andrioli: Conceptualization, Investigation, Software, Writing-Reviewing and Editing, Visualization. Stephany Solano Mendoza: Investigation, methodology. Jorge G Fernandez: Resources, Investigation. María I Sanz Ferramola: Resources, Supervision, Funding acquisition, Writing-Reviewing and Editing.

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Correspondence to Nancy Beatriz Andrioli.

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The authors declare no competing interests.

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Responsible Editor: Gangrong Shi

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Beatriz Andrioli, N., Mendoza, G.S.S., Fernández, J.G. et al. Mitotic and chromosomal effects induced for biosynthesized nanoparticles from three mediators on Allium cepa root cells. Environ Sci Pollut Res 29, 66716–66727 (2022). https://doi.org/10.1007/s11356-022-20363-2

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  • DOI: https://doi.org/10.1007/s11356-022-20363-2

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