Urs A. Ochsner

Best Publications

• Siderophore-mediated signaling regulates virulence factor production in Pseudomonas aeruginosa

  Iain L. Lamont;Paul A. Beare;Urs Ochsner;Adriana I. Vasil

  809
  Citations

• Autoinducer-mediated regulation of rhamnolipid biosurfactant synthesis in Pseudomonas aeruginosa

  Urs A. Ochsner;Jakob Reiser

  767
  Citations

• Pseudomonas aeruginosa Anaerobic Respiration in Biofilms: Relationships to Cystic Fibrosis Pathogenesis

  Sang Sun Yoon;Robert F. Hennigan;George M. Hilliard;Urs A. Ochsner

  738
  Citations

• Nucleic Acid Ligands With Protein-like Side Chains: Modified Aptamers and Their Use as Diagnostic and Therapeutic Agents.

  John C Rohloff;Amy D Gelinas;Thale C Jarvis;Urs A Ochsner

  604
  Citations

• GeneChip® expression analysis of the iron starvation response in Pseudomonas aeruginosa: identification of novel pyoverdine biosynthesis genes

  Urs A. Ochsner;Paula J. Wilderman;Adriana I. Vasil;Michael L. Vasil

  595
  Citations

• Isolation and characterization of a regulatory gene affecting rhamnolipid biosurfactant synthesis in Pseudomonas aeruginosa.

  U A Ochsner;A K Koch;A Fiechter;J Reiser

  588
  Citations

• Quorum sensing in Pseudomonas aeruginosa controls expression of catalase and superoxide dismutase genes and mediates biofilm susceptibility to hydrogen peroxide

  Daniel J. Hassett;Ju-Fang Ma;James G. Elkins;James G. Elkins;Timothy R. McDermott;Timothy R. McDermott

  566
  Citations

• Identification of tandem duplicate regulatory small RNAs in Pseudomonas aeruginosa involved in iron homeostasis

  Paula J. Wilderman;Nathaniel A. Sowa;David J. FitzGerald;Peter C. FitzGerald

  560
  Citations

• The response of Pseudomonas aeruginosa to iron: genetics, biochemistry and virulence.

  Michael L. Vasil;Urs A. Ochsner

  535
  Citations

• Periplasmic superoxide dismutase protects Salmonella from products of phagocyte NADPH-oxidase and nitric oxide synthase

  Mary Ann De Groote;Urs A. Ochsner;Michael U. Shiloh;Carl Nathan

  517
  Citations

• Isolation, characterization, and expression in Escherichia coli of the Pseudomonas aeruginosa rhlAB genes encoding a rhamnosyltransferase involved in rhamnolipid biosurfactant synthesis.

  U.A. Ochsner;A. Fiechter;J. Reiser

  441
  Citations

• Genetics and regulation of two distinct haem-uptake systems, phu and has, in Pseudomonas aeruginosa.

  Urs A. Ochsner;Zaiga Johnson;Michael L. Vasil

  426
  Citations

• Anaerobic metabolism and quorum sensing by Pseudomonas aeruginosa biofilms in chronically infected cystic fibrosis airways: rethinking antibiotic treatment strategies and drug targets.

  Daniel J Hassett;John Cuppoletti;Bruce Trapnell;Sergei V Lymar

  420
  Citations

• Gene repression by the ferric uptake regulator in Pseudomonas aeruginosa : cycle selection of iron-regulated genes

  Urs A. Ochsner;Michael L. Vasil

  369
  Citations

• Cloning and functional characterization of the Pseudomonas aeruginosa rhlC gene that encodes rhamnosyltransferase 2, an enzyme responsible for di-rhamnolipid biosynthesis.

  Rahim Rahim;Urs A. Ochsner;Clarita Olvera;Michael Graninger

  367
  Citations

• Role of the Pseudomonas aeruginosa oxyR-recG operon in oxidative stress defense and DNA repair: OxyR-dependent regulation of katB-ankB, ahpB, and ahpC-ahpF.

  Urs A. Ochsner;Michael L. Vasil;Eyad Alsabbagh;Kislay Parvatiyar

  330
  Citations

• Effects of the twin-arginine translocase on secretion of virulence factors, stress response, and pathogenesis

  Urs A. Ochsner;Aleksandra Snyder;Adriana I. Vasil;Michael L. Vasil

  310
  Citations

• Virulent Salmonella typhimurium has two periplasmic Cu, Zn-superoxide dismutases

  Ferric C. Fang;Mary Ann Degroote;John W. Foster;Andreas J. Bäumler

  299
  Citations

• Role of the ferric uptake regulator of Pseudomonas aeruginosa in the regulation of siderophores and exotoxin A expression: purification and activity on iron-regulated promoters.

  U A Ochsner;A I Vasil;M L Vasil

  273
  Citations

• Effect of catalase on hydrogen peroxide penetration into Pseudomonas aeruginosa biofilms.

  Philip S. Stewart;Frank L. Roe;Joanna Rayner;James G. Elkins

  257
  Citations