Osmotic upshift transiently inhibits uptake via ABC transporters in gram-negative bacteriaFox, M. A., White, J. P., Hosie, A. H. F., Lodwig, E. M. and Poole, P. S. (2006) Osmotic upshift transiently inhibits uptake via ABC transporters in gram-negative bacteria. Journal of Bacteriology, 188 (14). pp. 5304-5307. ISSN 0021-9193 Full text not archived in this repository. It is advisable to refer to the publisher's version if you intend to cite from this work. See Guidance on citing. To link to this item DOI: 10.1128/jb.00262-06 Abstract/SummaryATP-binding cassette transporters from several rhizobia and Salmonella enterica serovar Typhimurium, but not secondarily coupled systems, were inhibited by high concentrations (100 to 500 mM) of various osmolytes, an effect reversed by the removal of the osmolyte. ABC systems were also inactivated in isolated pea bacteroids, probably due to the obligatory use of high-osmolarity isolation media. Measurement of nutrient cycling in isolated pea bacteroids is impeded by this effect.
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