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Infection and Immunity, November 1999, p. 6164-6167, Vol. 67, No. 11
Département de Biologie
Moléculaire et Structurale, BBSI, UMR-314 CNRS, CEA Grenoble,
Grenoble, France
Received 19 May 1999/Returned for modification 1 July 1999/Accepted 18 August 1999
With a coincubation model incorporating Pseudomonas
aeruginosa and human polymorphonuclear neutrophils (PMNs), a
cystic fibrosis (CF) P. aeruginosa isolate has been shown
to resist the bactericidal action of PMNs and to induce their cellular
death. An isogenic mutant of this CF isolate in which the type III
secretion system was rendered nonfunctional was unable to induce
cellular death of PMNs.
0019-9567/99/$04.00+0
Copyright © 1999, American Society for Microbiology. All rights reserved.
Cell Death of Human Polymorphonuclear Neutrophils
Induced by a Pseudomonas aeruginosa Cystic Fibrosis Isolate
Requires a Functional Type III Secretion System
*
Corresponding author. Mailing address: DBMS/BBSI, CEA
Grenoble, 17 rue des Martyrs, 38054 Grenoble Cedex 09, France. Phone: 33.4.76.88.34.83. Fax: 33.4.76.88.51.85. E-mail:
btoussaint{at}cea.fr.
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