Dataset Information

Staphylococcus argenteus Infections, Brazil.

ABSTRACT: In 2015, two new species related to the Staphylococcus aureus were proposed. We describe five isolates of the new species Staphylococcus argenteus cultured from human cases of bacteremia and skin and soft tissue infections. This is the first report of S. argenteus, from South America, causing community-acquired and nosocomial infections.

SUBMITTER: Rocha Balzan LDL

PROVIDER: S-EPMC9927369 | biostudies-literature | 2023 Feb

REPOSITORIES: biostudies-literature

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<i>Staphylococcus argenteus</i> Infections, Brazil.

Rocha Balzan Lisiane da Luz LDL Rossato Adriana Medianeira AM Riche Cezar Vinicius Wurdig CVW Cantarelli Vlademir Vicente VV D'Azevedo Pedro Alves PA Valério de Lima Aline A Rodrigues Beatriz B França E Silva Ivan Leonardo Avelino ILA Dias Cícero Armídio Gomes CAG Sampaio Jorge Luiz Mello JLM

Microbiology spectrum 20230123 1

In 2015, two new species related to the Staphylococcus aureus were proposed. We describe five isolates of the new species Staphylococcus argenteus cultured from human cases of bacteremia and skin and soft tissue infections. This is the first report of <i>S. argenteus</i>, from South America, causing community-acquired and nosocomial infections. ...[more]

PMID: 36688721

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Project description:Currently, invasive infections caused by Staphylococcus argenteus, which is a recently named staphylococcal species, are increasingly reported worldwide. However, only a few genomic studies of S. argenteus have offered comprehensive information regarding its genetic diversity, epidemiological characteristics, antimicrobial resistance genes (ARGs), virulence genes and other profiles. Here, we describe a comparative genomic analysis by population structure, pangenome, panmobilome, region-specific accessory genes confer an adaptive advantage in 153 S. argenteus strains which comprised 24 strains sequenced in this study and 129 strains whose genome sequences were available from GenBank. As a result, the population of S. argenteus comprised seven genetically distinct clades, including two major clades (C1 and C2), with distinct isolation source patterns. Pangenome analysis revealed that S. argenteus has an open pangenome composed of 7,319 genes and a core genome composed of 1,508 genes. We further determined the distributions of 75 virulence factors (VFs) and 30 known ARGs and identified at least four types of plasmids and 93 complete or partial putative prophages. It indicate that S. argenteus may show a similar level of pathogenicity to that of S. aureus. This study also provides insights into the evolutionary divergence of this pathogen, indicating that the geographical distribution was a potential driving force behind the evolutionary divergence of S. argenteus. The preferential horizontal acquisition of particular elements, such as staphylococcal cassette chromosome mec elements and plasmids, was observed in specific regions, revealing potential gene exchange between S. argenteus strains and local S. aureus strains. Moreover, multiple specific genes related to environmental adaptation were identified in strains isolated from East Asia. However, these findings may help promote our understanding of the evolutionary divergence of this bacterium at a high genetic resolution by providing insights into the epidemiology of S. argenteus and may help combat its spread.

Dataset Information

Staphylococcus argenteus Infections, Brazil.

Publications

<i>Staphylococcus argenteus</i> Infections, Brazil.

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