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Article

Salmonella enterica in Invasive Lizard from Fernando de Noronha Archipelago: Serotyping, Antimicrobial Resistance and Molecular Epidemiology

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National Center for Conservation of Reptiles and Amphibians, Instituto Chico Mendes de Conservação da Biodiversidade, Brazilian Ministry of Environment, Rua 229, 95, Setor Leste Universitário, 74605 090 Goiânia/GO, Brazil
2
Laboratory of Epidemiology and Biostatistics, Department of Preventive Veterinary Medicine and Animal Health, School of Veterinary Medicine and Animal Science, University of São Paulo—Av. Prof. Dr. Orlando Marques de Paiva, 87, Cidade Universitária, 05508 270 São Paulo/SP, Brazil
3
Laboratory of Swine Health, Department of Preventive Veterinary Medicine and Animal Health, School of Veterinary Medicine and Animal Science, University of São Paulo—Av. Prof. Dr. Orlando Marques de Paiva, 87, Cidade Universitária, 05508 270 São Paulo/SP, Brazil
4
Department of Veterinary Medicine, Federal Rural University of Pernambuco—Rua Dom Manuel de Medeiros, Dois Irmãos, 52171 900 Recife/PE, Brazil
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Laboratory of Infectious Diseases, Department of Preventive Veterinary Medicine and Animal Health, School of Veterinary Medicine and Animal Science, University of São Paulo—Av. Prof. Dr. Orlando Marques de Paiva, 87, Cidade Universitária, 05508 270 São Paulo/SP, Brazil
*
Author to whom correspondence should be addressed.
Microorganisms 2020, 8(12), 2017; https://doi.org/10.3390/microorganisms8122017
Received: 8 November 2020 / Revised: 19 November 2020 / Accepted: 20 November 2020 / Published: 17 December 2020
(This article belongs to the Special Issue Farm Animal and Wildlife Zoonotic Microorganisms)
Salmonella infection can pose serious health issues, especially to children, elders or immunosuppressed humans. Wild populations of reptiles can reach Salmonella prevalence of up to 100% and the direct or indirect transmission from reptiles to humans have been extensively reported. Fernando de Noronha (FN) is an inhabited oceanic archipelago in the northeast coast of Brazil, with an economy based on tourism. The tegu (Salvator merianae) is the largest lizard native to South America and was introduced to the archipelago in the early 20th century. This study determines the prevalence, serotypes, antimicrobial resistance, and molecular epidemiology of Salmonella enterica in the tegu population from FN archipelago. Results show that S. enterica is widely distributed in the FN tegu population, with 43.8% prevalence. The bacteria were isolated from 70.5% of the sampled sites and a total of 15 serotypes were detected in 98 S. enterica isolates. Strains were further classified into 31 genotypes. Recaptured animals presented distinct genotypes in each season, demonstrating a seasonal strain turnover. Most S. enterica isolates from FN tegus presented low antimicrobial resistance. This is possibly due to geographical isolation of the island population, hampering contact with strains from livestock from the continent, where antimicrobial resistance is common. View Full-Text
Keywords: island; genotyping; one health; reservoir; Salmonella enterica; Salvator merianae island; genotyping; one health; reservoir; Salmonella enterica; Salvator merianae
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MDPI and ACS Style

Abrahão, C.R.; Moreno, L.Z.; Silva, J.C.R.; Benites, N.R.; Matajira, C.E.C.; Ferreira, F.; Moreno, A.M.; Dias, R.A. Salmonella enterica in Invasive Lizard from Fernando de Noronha Archipelago: Serotyping, Antimicrobial Resistance and Molecular Epidemiology. Microorganisms 2020, 8, 2017. https://doi.org/10.3390/microorganisms8122017

AMA Style

Abrahão CR, Moreno LZ, Silva JCR, Benites NR, Matajira CEC, Ferreira F, Moreno AM, Dias RA. Salmonella enterica in Invasive Lizard from Fernando de Noronha Archipelago: Serotyping, Antimicrobial Resistance and Molecular Epidemiology. Microorganisms. 2020; 8(12):2017. https://doi.org/10.3390/microorganisms8122017

Chicago/Turabian Style

Abrahão, Carlos R., Luisa Z. Moreno, Jean C.R. Silva, Nilson R. Benites, Carlos E.C. Matajira, Fernando Ferreira, Andrea M. Moreno, and Ricardo A. Dias. 2020. "Salmonella enterica in Invasive Lizard from Fernando de Noronha Archipelago: Serotyping, Antimicrobial Resistance and Molecular Epidemiology" Microorganisms 8, no. 12: 2017. https://doi.org/10.3390/microorganisms8122017

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