We then injected 30 h post-fertilization (hpf) embryos in the caudal vein with 355 ± 18 CFU of R ΔmmpL3::c, which were subsequently treated at 1 day post-infection (dpi) with 10 ng ATc to repress the expression of mmpL3 (Fig. 4A). The gene discussed is ATM; the disease is infection.