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Interaction of Silver Nanoparticles with White spot Syndrome Virus and Their Histopathological Effects on Penaeus vannamei After Intramuscular Application

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Abstract

The effectiveness of silver nanoparticles (AgNPs) in aquaculture has been investigated recently; however, understanding AgNPs cytotoxicity in aquatic organisms is still limited. This study examines the histopathological effects of the interaction AgNPs with white spot syndrome virus (WSSV) virions on the white shrimp Penaeus vannamei after intramuscular application. Two tests were carried out: in the first test, nine solutions were prepared: two individual AgNPs concentrations, two individual viral loads (vcWS), and four treatments derived from an interaction of AgNPs and vcWS, and a distilled water control, the toxicity and histopathological effects were also evaluated. For the second test, four solutions were prepared: AgNPs concentration, two AgNPs concentrations with a viral load, and distilled water control, to evaluate the progression of WSSV infection. In test 1, the individual and combined AgNPs treatments gave a dose-dependent negative effect on shrimp survival in the first 36 h post-injection (hpi). At 96 hpi no significant differences (p > 0.05) were found in the higher AgNPs concentrations vs. their interaction with vcWS and vcWS individual concentrations. In test 2, a cytotoxic effect associated with AgNPs was observed after 24 hpi in all treatments. WSSV severity was low and identified at 72 and 96 hpi in all interaction treatments. The results show that AgNPs affect vcWS when in direct contact, while, AgNPs + WS inoculum cause severe damage to shrimp tissue and WSSV infection development is only temporarily delayed.

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Data Availability

The datasets used and/or analyzed during the current study are available from the corresponding author upon reasonable request.

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Acknowledgements

This study was supported by the National Council of Science and Technology (CONACyT), Project number 258607: “Estudio del efecto de nanopartículas de plata en virus, bacterias y parásitos de organismos acuáticos”. The authors wish to thank the University of Texas at San Antonio, USA (UTSA) for providing AgNPs. Special thanks to Valerie Williams Holland for the careful revision of the English.

Funding

All sources of funding for the research have been declared. Funding for this research was awarded to María Cristina Chávez-Sánchez by The National Council of Science and Technology (CONACyT) research (Grant number 258607), while the Department of Physics at the University of Texas (UTSA) in San Antonio, USA provided the silver nanoparticles.

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SMAR: Conceptualization; Data curation; Formal analysis; Investigation; Resources; Writing - original draft Writing - review & editing; visualization.RLO: Data curation; Formal analysis; Investigation; Resources; Writing - original draft; Writing - review & editing; visualizationBBVE: Methodology; Formal analysis; Data curation.MCCHS: Funding acquisition; Project administration; Resources; Writing - review & editing; Validation; Supervision.LMR: Methodology; Investigation; Resources; Validation; Writing - review & editing; Supervision.MAFN: Writing - review & editing.VJAL: Methodology; Writing - review & editing.MGFE: Writing - review & editing.LHH: Resources; Writing - review & editing.

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Correspondence to Selene María Abad-Rosales.

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The authors declare no competing interests.

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All procedures were performed according to Mexican guidelines and policies stated in the NOM-062-ZOO-1999 (these guidelines apply mostly to mammalian species but we applied the same principles regarding animal welfare and care) and British guidelines for fish welfare reported by Ashley (2007).

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Abad-Rosales, S.M., Lozano-Olvera, R., Vallin-Enríquez, B.B. et al. Interaction of Silver Nanoparticles with White spot Syndrome Virus and Their Histopathological Effects on Penaeus vannamei After Intramuscular Application. Thalassas 39, 687–696 (2023). https://doi.org/10.1007/s41208-023-00602-0

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  • DOI: https://doi.org/10.1007/s41208-023-00602-0

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