Fig 1. 16S rDNA in relation to species-specific DNA (nuc for Staphylococcus aureus, lytA for Streptococcus pneumoniae, and uidA for Escherichia coli), in samples with DNA detected by both methods.
(A) Whole blood samples spiked with bacteria in serial dilutions; (B) Whole blood samples from patients sampled repeatedly during bloodstream infection, one to four samples per patient.