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Sacramento AG, Fuga B, Fontana H, Cardoso B, Esposito F, Vivas R, Malta JAO, Sellera FP, Lincopan N. Successful expansion of hospital-associated clone of vanA-positive vancomycin-resistant Enterococcus faecalis ST9 to an anthropogenically polluted mangrove in Brazil. Mar Pollut Bull 2024; 198:115844. [PMID: 38056291 DOI: 10.1016/j.marpolbul.2023.115844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2023] [Revised: 11/21/2023] [Accepted: 11/23/2023] [Indexed: 12/08/2023]
Abstract
Mangrove ecosystems are hotspots of biodiversity, but have been threatened by anthropogenic activities. Vancomycin-resistant enterococci (VRE) are nosocomial bacteria classified as high priority by the World Health Organization (WHO). Herein, we describe the identification and genomic characteristics of a vancomycin-resistant Enterococcus faecalis strain isolated from a highly impacted mangrove ecosystem of the northeastern Brazilian, in 2021. Genomic analysis confirmed the existence of the transposon Tn1546-vanA and clinically relevant antimicrobial resistance genes, such as streptogramins, tetracycline, phenicols, and fluoroquinolones. Virulome analysis identified several genes associated to adherence, immune modulation, biofilm, and exoenzymes production. The UFSEfl strain was assigned to sequence type (ST9), whereas phylogenomic analysis with publicly available genomes from a worldwide confirmed clonal relatedness with a hospital-associated Brazilian clone. Our findings highlight the successful expansion of hospital-associated VRE in a mangrove area and shed light on the need for strengthening genomic surveillance of WHO priority pathogens in these vital ecosystems.
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Affiliation(s)
- Andrey G Sacramento
- Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil.
| | - Bruna Fuga
- Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil; Department of Clinical Analysis, School of Pharmacy, University of São Paulo, São Paulo, Brazil
| | - Herrison Fontana
- Department of Clinical Analysis, School of Pharmacy, University of São Paulo, São Paulo, Brazil
| | - Brenda Cardoso
- Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
| | - Fernanda Esposito
- Department of Clinical Analysis, School of Pharmacy, University of São Paulo, São Paulo, Brazil
| | - Roberto Vivas
- Microbiology Laboratory, Sergipe Urgent Care Hospital (HUSE), Aracaju, Brazil
| | - Judson A O Malta
- Postgraduate Program in Development and Environment (PRODEMA), Federal University of Sergipe, São Cristóvão, Brazil
| | - Fábio P Sellera
- School of Veterinary Medicine, Metropolitan University of Santos, Santos, Brazil; Department of Internal Medicine, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Brazil
| | - Nilton Lincopan
- Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil; Department of Clinical Analysis, School of Pharmacy, University of São Paulo, São Paulo, Brazil
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