Mechanism of delta pH maintenance in active and inactive cells of an obligately acidophilic bacterium.

@article{Goulbourne1986MechanismOD,
  title={Mechanism of delta pH maintenance in active and inactive cells of an obligately acidophilic bacterium.},
  author={E A Goulbourne and Mohammad Matin and E Zychlinsky and Anastasija Matin},
  journal={Journal of bacteriology},
  year={1986},
  volume={166 1},
  pages={
          59-65
        }
}
The acidophilic bacterium PW2 possessed a delta pH of ca. 1.9 and a delta psi of 0 mV, corresponding to a proton motive force (delta p) of--114 mV. Protonophore-treated cells possessed little delta p but a delta pH of ca. 1.5, as measured by salicylic acid distribution or pH measurement of cell lysates. Starving PW2 cells continued to possess a delta pH of ca. 1.7, but exhibited converse changes in delta psi and delta p, with the former rising to +80 to +100 mV and the latter dropping… CONTINUE READING
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