Spatial physiological heterogeneity in Pseudomonas aeruginosa biofilm is determined by oxygen availability.

@article{Xu1998SpatialPH,
  title={Spatial physiological heterogeneity in Pseudomonas aeruginosa biofilm is determined by oxygen availability.},
  author={Kuang Di Xu and Philip S Stewart and Fei Xia and Cheng Ting Huang and Gordon A. McFeters},
  journal={Applied and environmental microbiology},
  year={1998},
  volume={64 10},
  pages={4035-9}
}
The role of oxygen availability in determining the local physiological activity of Pseudomonas aeruginosa growing in biofilms was investigated. Biofilms grown in an ambient-air environment expressed approximately 1/15th the alkaline phosphatase specific activity of planktonic bacteria subjected to the same phosphate limitation treatment. Biofilms grown in a gaseous environment of pure oxygen exhibited 1.9 times the amount of alkaline phosphatase specific activity of air-grown biofilms, whereas… CONTINUE READING

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