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. 2009 Oct 23;192(1):94–103. doi: 10.1128/JB.00848-09

TABLE 1.

Cytoplasmic pH and membrane potential following NH4Cl addition

Strain Parameter Baseline value Value with 50 mM NH4Cl
Immediate After 200 s
HP43504 pHin 7.7 ± 0.1 8.3 ± 0.2 7.40 ± 0.06
Δψ (mV) −178.8 ± 12.8 −157.6 ± 10 −175.71 ± 13.08
HP43504 pHin 7.7 ± 0.1 8.3 ± 0.1 8.1 ± 0.1
    ΔureI Δψ (mV) −184.8 ± 7.8 −168.8 ± 7.9 −124.8 ± 11.6