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Journal of Bacteriology, January 2006, p. 820-822, Vol. 188, No. 2
0021-9193/06/$08.00+0     doi:10.1128/JB.188.2.820-822.2006
Copyright © 2006, American Society for Microbiology. All Rights Reserved.

AqpZ-Mediated Water Permeability in Escherichia coli Measured by Stopped-Flow Spectroscopy

Rachael C. Mallo and Michael T. Ashby*

Department of Chemistry and Biochemistry, University of Oklahoma, Norman, Oklahoma 73019

Received 22 July 2005/ Accepted 20 October 2005

We report that the water permeability of wild-type Escherichia coli during exponential growth is comparable to that of an aqpZ disruption mutant. In contrast, an increase in permeability is observed for the wild type at the onset of the stationary stage with no significant corresponding change in the permeability of the mutant.

* Corresponding author. Mailing address: Department of Chemistry and Biochemistry, University of Oklahoma, 620 Parrington Oval, Room 208, Norman, OK 73019. Phone: (405) 325-2924. Fax: (405) 325-6111. E-mail: mashby{at}ou.edu.

Journal of Bacteriology, January 2006, p. 820-822, Vol. 188, No. 2
0021-9193/06/$08.00+0     doi:10.1128/JB.188.2.820-822.2006
Copyright © 2006, American Society for Microbiology. All Rights Reserved.





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