TABLE 1

Properties of the wild type and ΔcydAB, ΔqoxAB, and ΔcydAB ΔqoxAB mutants following growth in TSB

StrainAerobicAnaerobic
Tda (min)μ (/h)Final pH (±SE)Final A600 (±SE)Td (min)μ (/h)Final pH (±SE)Final A600 (±SE)
WT37.81.106.21 ± 0.021.669 ± 0.00496.90.435.12 ± 00.768 ± 0.013
ΔcydAB63.60.655.28 ± 0.011.148 ± 0.02486.30.485.12 ± 00.771 ± 0.022
ΔqoxAB37.41.116.14 ± 0.011.622 ± 0.00489.80.465.12 ± 00.82 ± 0.02
ΔcydAB ΔqoxAB64.80.645.27 ± 0.011.107 ± 0.00592.20.455.18 ± 0.060.82 ± 0.03
  • a Td, doubling time.