The effects of growth dynamics upon pH gradient formation within and around subsurface colonies of Salmonella typhimurium.

@article{Walker1997TheEO,
  title={The effects of growth dynamics upon pH gradient formation within and around subsurface colonies of Salmonella typhimurium.},
  author={Steve L Walker and Tim F. Brocklehurst and Julian W. T. Wimpenny},
  journal={Journal of applied microbiology},
  year={1997},
  volume={82 5},
  pages={
          610-4
        }
}
pH measurements made in and around submerged colonies of Salmonella typhimurium grown within a model gelatin gel system using pH-sensitive micro- and macroelectrodes indicated some pH heterogeneity occurring in and around the bacterial colony. Inoculation density, initial pH and glucose concentration were all found to influence colony diameter and metabolism of Salmonella colonies. Colony growth in the presence of glucose, at pH 7.0 with an inoculation density of 1 cell ml-1 led to a pH fall of… CONTINUE READING

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