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Physiological and histological effects of cadmium, lead, and combined on Artemia franciscana

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Abstract

This study analyzed the effects of cadmium (Cd) and lead (Pb) on growth, sexual couples, and histological structures of Artemia franciscana exposed to individual concentrations of these metals and combined. No histological effects were observed at tissue level in digestive, respiratory, nervous, and reproductive systems (i.e., necrosis, loss of regular structure) in individual and mixed applications on A. franciscana for 20 days of exposure. No significant differences (p > 0.05) were determined in final size and growth rate among the organisms exposed to Cd and those of control. For Pb, only the final size (3.59 ± 0.59 mm) of organisms exposed to the highest concentration was significantly lower (p < 0.05) than those of the control (4.53 ± 0.34 mm) group, whereas for the combined experiment, no significant differences (p > 0.05) were observed in final size and growth rate. At all Cd concentrations, mean sexual couples were significantly lower (p < 0.05) than those of the control, as well as for Pb. For the combined experiment (8 μg/L of Cd + 8 μg/L of Pb), sexual couples were not observed, indicating synergism and negative reproduction effects. The results showed that Cd and Pb aquatic environmental regulations (as the Criterion of Continuous Concentration) proposed by the US Environmental Protection Agency (EPA) should include their interactions with other metals.

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Acknowledgements

The authors thank D. Voltolina and Y. Montaño-Ley for their technical help and D. Fischer for the English edition.

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Funding

This study was funded by Programa de Fomento y Apoyo a Proyectos de Investigación UAS 2012/059, Programa para el Desarrollo Profesional Docente (CANE year 3), and Consejo Nacional de Ciencia y Tecnología INFRA 2012-01-188029, and INFRA-CONACYT 230061.

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All authors contributed to the study conception and design. Material preparation, and data collection and analyses were performed by Selene M. Abad-Rosales, Jesús M. Quintero-Alvarez, Carolina Bojórquez, Marely L. López-Morales, Sandy Y. Trujillo-Alvarez, and Jonathan A. Arellano-Sarabia. The first draft of the manuscript was written by Martín G. Frías-Espericueta, Martín F. Soto-Jiménez, J. Isidro Osuna-López, and Marisela Aguilar-Juárez. All authors commented on the previous versions of the manuscript and read and approved the final manuscript.

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Correspondence to Martín Gabriel Frías-Espericueta.

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The authors declare no competing interests.

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Responsible Editor: Philippe Garrigues

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Frías-Espericueta, M.G., Soto-Jiménez, M.F., Abad-Rosales, S.M. et al. Physiological and histological effects of cadmium, lead, and combined on Artemia franciscana. Environ Sci Pollut Res 29, 7344–7351 (2022). https://doi.org/10.1007/s11356-021-16147-9

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  • DOI: https://doi.org/10.1007/s11356-021-16147-9

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