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Infection and Immunity, April 2002, p. 2230-2232, Vol. 70, No. 4
0019-9567/02/$04.00+0 DOI: 10.1128/IAI.70.4.2230-2232.2002
Copyright © 2002, American Society for Microbiology. All Rights Reserved.
Membrane Localization Contributes to the In Vivo ADP-Ribosylation of Ras by Pseudomonas aeruginosa ExoS
Matthew J. Riese and Joseph T. Barbieri*
Microbiology and Molecular Genetics, Medical College of Wisconsin, Milwaukee, Wisconsin 53226
Received 3 October 2001/
Returned for modification 20 November 2001/
Accepted 5 January 2002
Type III-delivered exoenzyme S (ExoS) preferentially ADP-ribosylated membrane-associated His6HRas, relative to its cytosolic derivative His6HRas
CAAX. This indicates that the subcellular protein distribution contributes to in vivo ADP-ribosylation by ExoS.
* Corresponding author. Mailing address: Microbiology and Molecular Genetics, Medical College of Wisconsin, 8701 Watertown Plank Rd., Milwaukee, WI 53226. Phone: (414) 456-8412. Fax: (414) 456-6535. E-mail:
toxin{at}mcw.edu.
Editor: A. D. O'Brien
Infection and Immunity, April 2002, p. 2230-2232, Vol. 70, No. 4
0019-9567/02/$04.00+0 DOI: 10.1128/IAI.70.4.2230-2232.2002
Copyright © 2002, American Society for Microbiology. All Rights Reserved.
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