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Genomic Characterization of <i>Aeromonas veronii</i> Provides Insights into Taxonomic Assignment and Reveals Widespread Virulence and Resistance Genes throughout the World

<i>Aeromonas veronii</i> is a Gram-negative bacterial species that causes disease in fish and is nowadays increasingly recurrent in enteric infections of humans. This study was performed to characterize newly sequenced isolates by comparing them with complete genomes deposited at the NCB...

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Main Authors: José Cleves da Silva Maia (Author), Gabriel Amorim de Albuquerque Silva (Author), Letícia Stheffany de Barros Cunha (Author), Gisele Veneroni Gouveia (Author), Aristóteles Góes-Neto (Author), Bertram Brenig (Author), Fabrício Almeida Araújo (Author), Flávia Aburjaile (Author), Rommel Thiago Jucá Ramos (Author), Siomar Castro Soares (Author), Vasco Ariston de Carvalho Azevedo (Author), Mateus Matiuzzi da Costa (Author), João José de Simoni Gouveia (Author)
Format: Book
Published: MDPI AG, 2023-06-01T00:00:00Z.
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Summary:<i>Aeromonas veronii</i> is a Gram-negative bacterial species that causes disease in fish and is nowadays increasingly recurrent in enteric infections of humans. This study was performed to characterize newly sequenced isolates by comparing them with complete genomes deposited at the NCBI (National Center for Biotechnology Information). Nine isolates from fish, environments, and humans from the São Francisco Valley (Petrolina, Pernambuco, Brazil) were sequenced and compared with complete genomes available in public databases to gain insight into taxonomic assignment and to better understand virulence and resistance profiles of this species within the One Health context. One local genome and four NCBI genomes were misidentified as <i>A. veronii</i>. A total of 239 virulence genes were identified in the local genomes, with most encoding adhesion, motility, and secretion systems. In total, 60 genes involved with resistance to 22 classes of antibiotics were identified in the genomes, including <i>mcr-7</i> and <i>cphA</i>. The results suggest that the use of methods such as ANI is essential to avoid misclassification of the genomes. The virulence content of <i>A. veronii</i> from local isolates is similar to those complete genomes deposited at the NCBI. Genes encoding colistin resistance are widespread in the species, requiring greater attention for surveillance systems.
Item Description:10.3390/antibiotics12061039
2079-6382

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