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Journal of Bacteriology, May 2009, p. 3411-3414, Vol. 191, No. 10
0021-9193/09/$08.00+0     doi:10.1128/JB.00052-09
Copyright © 2009, American Society for Microbiology. All Rights Reserved.

Structural Requirements of the Pseudomonas Quinolone Signal for Membrane Vesicle Stimulation{triangledown}

Lauren Mashburn-Warren,1,{dagger} Jörg Howe,2 Klaus Brandenburg,2 and Marvin Whiteley1*

Section of Molecular Genetics and Microbiology and Institute of Cellular and Molecular Biology, The University of Texas at Austin, Austin, Texas 78712,1 Forschungszentrum Borstel, Leibniz-Zentrum für Medizin und Biowissenschaften, D-23845 Borstel, Germany2

Received 15 January 2009/ Accepted 5 March 2009

Pseudomonas aeruginosa produces the quorum signal 2-heptyl-3-hydroxy-4-quinolone (Pseudomonas quinolone signal), which is important for stimulating outer membrane vesicle (MV) formation. Here we describe the importance of the 3-hydroxyl and 2-alkyl chain for MV production and the length of the 2-alkyl chain for association with MVs.

* Corresponding author. Mailing address: 1 University Avenue A5000, Austin, TX 78712. Phone: (512) 471-5493. Fax: (512) 471-7088. E-mail: mwhiteley{at}mail.utexas.edu

{triangledown} Published ahead of print on 13 March 2009.

{dagger} Present address: The University of Illinois—Chicago, Chicago, IL 60607.

Journal of Bacteriology, May 2009, p. 3411-3414, Vol. 191, No. 10
0021-9193/09/$08.00+0     doi:10.1128/JB.00052-09
Copyright © 2009, American Society for Microbiology. All Rights Reserved.





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