Growth characteristics and antimicrobial susceptibility of <i>E</i>. <i>coli</i> isolates.

Normal growth designated as “++”, scarce growth with small colonies designated as “+”, with required incubation time for colonies to appear indicated in parentheses and “-”indicates no growth. Antimicrobial susceptibility (MIC) against TMP-SMX (μg/mL) was performed on M9 agar media with added thymine concentrations 0.5,2,5 and 20 μg/ml and average MIC values are reported. Mutations identified in thymidylate synthase pathway genes by whole genome sequencing are indicated.