GA (15:1) alters the transcript levels of fur and Fur-regulated operons in E. faecalis. qRT-PCR was used to determine the expression levels of fur, EF0188, EF0191, EF0475, EF3082, and EF3085 in E. faecalis strain OG1RF at different time points after treatment with 1/2× MIC of GA (15:1). gdh was used as an internal control. Data are mean values ± SD from three technical replicates. Different letters indicate statistically significant differences based on ANOVA (P < 0.05).