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04315nam a2200913Ia 4500 |
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10.1128-mSystems.00986-21 |
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220427s2021 CNT 000 0 und d |
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|a 23795077 (ISSN)
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|a Comparative genomic analysis provides insights into the evolution and genetic diversity of community-genotype sequence type 72 staphylococcus aureus isolates
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|b American Society for Microbiology
|c 2021
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|z View Fulltext in Publisher
|u https://doi.org/10.1128/mSystems.00986-21
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|a Staphylococcus aureus sequence type (ST) 72, the predominant community- associated methicillin-resistant Staphylococcus aureus (CA-MRSA) lineage in South Korea, has emerged as a major cause of bloodstream infection in hospital settings. However, relatively little information is available regarding the genomic characteristics and dissemination of ST72. Here, we characterized the whole-genome sequence of 24 ST72 isolates from China, along with 83 ST72 genomes from global sources. Of these 107 ST72 isolates, 63 were MRSA and 44 were methicillin-susceptible S. aureus (MSSA). Phylogenetic analysis revealed four distinct clades (A, B, C, and D), of which clade D contained only MSSA isolates. By characterizing the evolutionary dynamics of the ST72 lineage, we found that the MRSA from China might not have developed from the MSSA in China. Furthermore, we observed both international transmission of ST72 isolates and interregional transmission within China. The distributions of the SCCmec and spa types of isolates differed among clades. Additionally, in silico analyses revealed that the distributions of resistance genes, virulence genes, and mobile genetic elements (MGEs) also differed among isolates of the four clades. This was especially true for clade D isolates, which had the lowest level of antimicrobial resistance and had obtained specific virulence genes such as tsst-1 by acquisition of specific MGEs. Notably, ST72 MRSA isolates were more antibiotic resistant than ST72 MSSA isolates, but comparably virulent. Our findings provide insight into the potential transmission and genotypic features of ST72 clones across the globe. © 2021 Zhou et al.
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|a amikacin
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|a aminoglycoside antibiotic agent
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|a antibiotic resistance
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|a antibiotic sensitivity
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|a Antimicrobial resistance
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|a Article
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|a bacterial gene
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|a bacterial genome
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|a bacterial protein
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|a bacterial strain
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|a bacterial virulence
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|a bacterium isolate
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|a beta lactam
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|a China
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|a chloramphenicol
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|a ciprofloxacin
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|a cladistics
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|a clindamycin
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|a comparative genomics
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|a computer model
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|a controlled study
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|a cotrimoxazole
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|a daptomycin
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|a erythromycin
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|a Evolutionary dynamics
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|a fusidic acid
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|a gene sequence
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|a genetic variability
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|a genotype
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|a gentamicin
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|a levofloxacin
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|a lincosamide
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|a linezolid
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|a macrolide
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|a methicillin resistant Staphylococcus aureus
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|a methicillin susceptible Staphylococcus aureus
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|a meticillin
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|a mobile genetic element
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|a Mobile genetic elements
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|a molecular dynamics
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|a moxifloxacin
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|a nonhuman
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|a oxacillin
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|a penicillin G
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|a phylogenetic tree
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|a phylogeny
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|a rifampicin
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|a sccmec protein
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|a Sequence type 72
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|a spa protein
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|a Staphylococcus aureus
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|a tetracycline
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|a tigecycline
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|a toxic shock syndrome toxin 1
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|a Transmission
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|a unclassified drug
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|a vancomycin
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|a Virulence
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|a whole genome sequencing
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|a Jin, Y.
|e author
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|a Luo, Q.
|e author
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|a Wang, Y.
|e author
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|a Xiao, Y.
|e author
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|a Xiong, L.
|e author
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|a Zhou, W.
|e author
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|a Zhou, Y.
|e author
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773 |
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|t mSystems
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