ArticleBMC microbiology2025
Antibiotic susceptibility and molecular characterization based on whole-genome sequencing of Staphylococcus aureus causing invasive infection in children and women living in Southwest China during 2018-2023.
Article in BMC microbiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Epidemiology and antimicrobial resistance analysis of staphylococcus aureus isolated from women, children and neonates in a maternal and child specialty hospital in Southeast China.BMC infectious diseases · 2026Article
- Lineage structure and penicillin-binding protein variability in clinicalFrontiers in public health · 2026Article
- Molecular characteristics and pathogenicity-associated phenotypes of methicillin-resistantFrontiers in public health · 2026Article
- MRSA in Tibet: high prevalence driven by the epidemic clone CC59-ST59-SCCFrontiers in microbiology · 2026Article
- Whole-genome characterization of neonatal group B Streptococcus infection isolates and contemporaneous maternal colonizing isolates in Southwest China.Frontiers in microbiology · 2026Article
- Review
- Molecular Characterization of Clinical Isolates of Methicillin-ResistantPathogens (Basel, Switzerland) · 2025Article
- Structural basis for the allosteric regulation and catalytic mechanism ofFrontiers in microbiology · 2025Article
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Authors and funding
11 authors.
Funding
Abstract
backgroundStaphylococcus aureus is one of the most common pathogens that colonizes human skin/mucous membranes, where it causes local infection that can progress to invasive infection, resulting in high morbidity and mortality worldwide. This study aimed to investigate the antibiotic susceptibility and molecular characteristics of invasive S. aureus in children and women in Southwest China from 2018 to 2023 to provide novel insights helpful in preventing and treating S. aureus infections.
methodsThe demographic and clinical characteristics of patients with invasive S. aureus infection were collected and analyzed. Next-generation sequencing (NGS) and sequence analysis techniques were used to determine the molecular epidemiological characteristics of the S. aureus isolates, and the microdilution broth method was used for antimicrobial susceptibility testing.
resultsA total of 108 invasive S. aureus isolates, 29 methicillin-resistant S. aureus (MRSA) isolates and 79 methicillin- susceptible S. aureus (MSSA) isolates, were included. The isolates had the highest rate of resistance to PEN, at 91.67%, with all the MRSA isolates being resistant; the next highest resistance was to ERY and CLI, both at 65.74%. A total of 32 STs (including 8 novel STs) were detected and divided into 10 CCs. Moreover, 45 spa types were also detected. The main STs were ST22 (17.59%) and ST59 (15.74%), and the main CCs were CC59 (21.30%) and CC22 (19.44%). The most prevalent spa types were t309 and t437, both at 14.81%, and the SCCmec type could be assigned to two categories: IV (62.07%) and V (34.48%). Among the 29 MRSA isolates tested, CC59-IV-t437 (34.48%) and CC59-V-t437 (13.79%) were the main lineages, and among the 79 MSSA isolates, CC22-t309 (18.99%), CC1-t189 (10.13%), and CC5-t002 (7.60%) were the main lineages. Except for SXT, the resistance rates of the 29 MRSA isolates were greater than those of the MSSA isolates. Most isolates carried common virulence genes, among which the carriage rate of pvl reached 33.33%.
conclusionsThis study provides valuable information, including the prevalence, molecular characteristics and antimicrobial resistance of S. aureus isolates that cause invasive infectious diseases in Southwest China, and the findings may advance the prevention and treatment of S. aureus infections.
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