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. 2018 Aug 2;8:11606. doi: 10.1038/s41598-018-29707-w

Figure 1.

Figure 1

The workflow for selection and validation of RNA markers for phenotypic measurements of antibiotic susceptibility and resistance. Susceptible and resistant isolates of Neisseria gonorrhoeae are exposed to antibiotics (ABX) for 5, 10, and 15 min. Samples are collected for RNA sequencing at time zero and every 5 min thereafter. Genes demonstrating fold changes in expression (control:treated ratio (C:T ratio)) greater than the threshold of significance (gray line) are identified as differentially expressed (blue: downregulated and orange: upregulated). Candidate markers are selected from the pool of differentially expressed genes and validated by digital PCR.