PMID:9337487
| Citation |
Zhulin, IB, Johnson, MS and Taylor, BL (1997) How do bacteria avoid high oxygen concentrations? Biosci. Rep. 17:335-42 |
|---|---|
| Abstract |
Bacteria, such as Escherichia coli and Azospirillum brasilense, avoid microenvironments with elevated oxygen concentrations, not by sensing reactive oxygen derivatives, but by sensing a metabolic down-shift that results from elevated oxygen levels. A novel protein, Aer, and the chemotaxis serine receptor, Tsr, have recently been identified as transducers for aerotaxis which monitor internal energy levels in the bacteria. |
| Links | |
| Keywords |
Bacterial Physiological Phenomena; Biological Transport; Chemotaxis; Electrons; Models, Biological; Oxygen/metabolism; Protons; Reactive Oxygen Species/metabolism; Signal Transduction |
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