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Journal of Bacteriology, March 2009, p. 1716-1718, Vol. 191, No. 5
0021-9193/09/$08.00+0     doi:10.1128/JB.01371-08
Copyright © 2009, American Society for Microbiology. All Rights Reserved.

The Escherichia coli K5 Capsule Is Not Synthesized in a Protected Compartment within the Cytoplasm{triangledown}

Thomas Hudson, Marie Goldrick, and Ian S. Roberts*

Faculty of Life Sciences, The Smith Building, University of Manchester, Oxford Road, Manchester M13 9PT, United Kingdom

Received 1 October 2008/ Accepted 8 December 2008

The intracellular expression of the K5 lyase enzyme, which degrades the K5 polysaccharide, decreased cell surface expression of the Escherichia coli K5 capsule. This indicates that biosynthesis of K5 polysaccharide in the cytoplasm is accessible to the action of K5 lyase and is not synthesized within a protected cytoplasmic compartment.

* Corresponding author. Mailing address: Faculty of Life Sciences, University of Manchester, Michael Smith Building, Dover Street, Manchester M13 9PT, United Kingdom. Phone: 0161-275 5753. Fax: 0161-275 5082. E-mail: I.s.Roberts{at}manchester.ac.uk

{triangledown} Published ahead of print on 12 December 2008.

Journal of Bacteriology, March 2009, p. 1716-1718, Vol. 191, No. 5
0021-9193/09/$08.00+0     doi:10.1128/JB.01371-08
Copyright © 2009, American Society for Microbiology. All Rights Reserved.



This article has been cited by other articles:

  • Clarke, B. R., Greenfield, L. K., Bouwman, C., Whitfield, C. (2009). Coordination of Polymerization, Chain Termination, and Export in Assembly of the Escherichia coli Lipopolysaccharide O9a Antigen in an ATP-binding Cassette Transporter-dependent Pathway. J. Biol. Chem. 284: 30662-30672 [Abstract] [Full Text]  


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