Co-isolation of genetically distinct Burkholderia pseudomallei strains from a single patient in North Queensland
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While investigating colony morphology variation (CMV) within clinical isolates of Burkholderia pseudomallei ( Bp ) isolated from a single infection, we identified two distinct strains (based on their multi-locus sequence type) from Bp TSV292. Simultaneous co-infection is rare, previously reported in only 2 of 133 cases. Here, we present the first comprehensive multi-omics characterization of co-infecting Bp strains isolated from a single infection at a hospital in Townsville, Australia in 2018. This finding impacts the design of future diagnosis and treatment of Bp .
Importance
Melioidosis, a severe disease caused by the bacterium Burkholderia pseudomallei , is rarely caused by more than one strain at the same time. In this study, we examined two bacterial strains isolated at once from a patient treated for melioidosis at a hospital in northern Queensland (Australia). By comparing their genomes, proteins, and physical traits, we found important strain differences that may affect how they adapt and survive during infection. Considering strain diversity when studying how this pathogen causes disease is essential, as it directly impacts future diagnosis and treatment.
