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. 2023 Oct;29(10):2008–2015. doi: 10.3201/eid2910.230560

Figure 2.

Figure 2

Phylogenetic analysis of Pseudomonas aeruginosa isolates collected in New South Wales in study of community outbreak of P. aeruginosa infections associated with contaminated piercing aftercare solution, Australia, 2021. Whole-genome sequencing was performed, and single-nucleotide polymorphisms were identified for 27 P. aeruginosa isolates from clinical specimens and opened or unopened bottles of Protat aftercare solution (Protat Tattoo Supplies, https://www.protatsupplies.com.au). Cluster analysis showed that all 27 sequences were genomically linked and belonged to sequence type 988. Reference indicates a representative sequence type 988 obtained from GenBank that was included in the analysis for comparison. The branch marked SRR13617252 indicates the P. aeruginosa mapping reference genome from the National Center for Biotechnology Information Sequence Read Archive database (https://www.ncbi.nlm.nih.gov/sra). Scale bar indicates nucleotide substitutions per site.