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How Do Bacteria Avoid High Oxygen Concentrations? (1997)

Zhulin, Igor B. ; Johnson, Mark S. ; Taylor, Barry L.

Springer

Bioscience reports 17 (1997), S. 335-342

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ISSN: 1573-4935

Keywords: oxygen receptors ; bacterial chemotaxis ; reactive oxygen species ; signal transduction

Source: Springer Online Journal Archives 1860-2000

Topics: Biology , Chemistry and Pharmacology

Notes: 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.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1023/A:1027340813657

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