Journal: JAC-Antimicrobial Resistance
Article Title: Genetic and clinical landscape of methicillin-resistant Staphylococcus aureus isolates lacking the mec gene, in Japan
doi: 10.1093/jacamr/dlag008
Figure Lengend Snippet: A single-nucleotide polymorphism-based phylogenetic tree of methicillin resistance-lacking mec (MRLM) strains of Staphylococcus aureus . The whole genome sequences of all 13 strains analysed in this study (in red) were examined alongside those of 150 published MRLM strains, , downloaded from the NCBI database. The following MSSA genome sequences were also included: seven reference strains ATCC 25923 (ST243/CC30, CP009361.1), ATCC 29213 (ST5, GCA_001267715.2), ATCC 12600 (ST8, GCA_006094915.1), ATCC 9144 (ST30, GCA_900457695.1), NCTC 8325 (ST8, GCA_000013425.1), MSSA476 (ST1, GCA_000011525.1) and MSSA6850 (ST50, GCA_000462955.1), and eight previously reported clinical MSSA strains 10-00598 (ST22, GCA_028076695.1), 15-02736 (ST291, GCA_028082935.1), 16-01080 (ST45, GCA_028080235.1), 16-02665 (ST25, GCA_028075835.1), 18-01695 (ST398, GCA_028081975.1), 18-01787 (ST5, GCA_028081295.1), 19-00515 (ST15, GCA_028081935.1), and C00012754 (ST20, ERR418969). , Sequence types (STs) (inner ring), clonal complexes (CCs) (middle ring) and spa types (outer ring) are annotated. The tree scale indicates the number of substitutions per genome.
Article Snippet: A comparative analysis of the nucleotide sequences or deduced amino acid sequences extracted from 13 MRLMs with those from the MSSA reference strain ATCC 25923 (ST243/CC30, CP009361.1) was conducted to identify mutations in the pbp4 promoter and amino acid substitutions in PBPs 1-4, GdpP, YjbH and AcrB.
Techniques: Sequencing
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