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7209872 
Journal Article 
Cytoplasmic acidification and the benzoate transcriptome in Bacillus subtilis 
Kitko, RD; Cleeton, RL; Armentrout, EI; Lee, GE; Noguchi, K; Berkmen, MB; Jones, BD; Slonczewski, JL; , 
2009 
1 
PLoS ONE
EISSN: 1932-6203 
English 
20011599 
Bacillus subtilis encounters a wide range of environmental pH. The bacteria maintain cytoplasmic pH within a narrow range. Response to acid stress is a poorly understood function of external pH and of permeant acids that conduct protons into the cytoplasm.