Using a combination of experimental and computational techniques, a team of researchers from Oak Ridge National Laboratory and the University of Tennessee has discovered a novel type of receptors in bacteria that sense changes in oxygen concentration and other redox parameters. Their work, which has been published in the online Proceedings of the National Academy of Sciences (PNAS), may help scientists to better understand how sensing of the environment is linked to cell metabolism and to predict behavior of hundreds of bacterial species that have yet to be studied experimentally.
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