Browsing by Author "Calfee, M. Worth"
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Autolysis and Autoaggregation in Pseudomonas aeruginosa Colony Morphology Mutants
D'Argenio, David A.; Calfee, M. Worth; Rainey, Paul B.; Pesci, Everett C. (East Carolina University, 2002-12)Two distinctive colony morphologies were noted in a collection of Pseudomonas aeruginosa transposon insertion mutants. One set of mutants formed wrinkled colonies of autoaggregating cells. Suppressor analysis of a subset ... -
Interference with Pseudomonas quinolone signal synthesis inhibits virulence factor expression by Pseudomonas aeruginosa
Calfee, M. Worth; Coleman, James P.; Pesci, Everett C. (East Carolina University, 2001-09-25)Pseudomonas aeruginosa is an opportunistic pathogen that controls numerous virulence factors through intercellular signals. This bacterium has two quorum-sensing systems (las and rhl), which act through the intercellular ... -
The Pseudomonas aeruginosa devB/SOL Homolog, pgl, Is a Member of the hex Regulon and Encodes 6-Phosphogluconolactonase
Hager, Paul W.; Calfee, M. Worth; Phibbs, Paul V. (East Carolina University, 2000-07)A cyclic version of the Entner-Doudoroff pathway is used by Pseudomonas aeruginosa to metabolize carbohydrates. Genes encoding the enzymes that catabolize intracellular glucose to pyruvate and glyceraldehyde 3- phosphate ... -
Pseudomonas aeruginosa PqsA Is an Anthranilate-Coenzyme A Ligase
Coleman, James P.; Hudson, L. Lynn; McKnight, Susan L.; Farrow, John M. III; Calfee, M. Worth; Lindsey, Claire A.; Pesci, Everett C. (East Carolina University, 2008-02)Pseudomonas aeruginosa is an opportunistic human pathogen which relies on several intercellular signaling systems for optimum population density-dependent regulation of virulence genes. The Pseudomonas quinolone signal ... -
Regulation of Pseudomonas Quinolone Signal Synthesis in Pseudomonas aeruginosa
Wade, Dana S.; Calfee, M. Worth; Rocha, Edson R.; Ling, Elizabeth A.; Engstrom, Elana; Coleman, James P.; Pesci, Everett C. (East Carolina University, 2005-07)Pseudomonas aeruginosa is an opportunistic pathogen that causes chronic lung infections in cystic fibrosis patients and is a major source of nosocomial infections. This bacterium controls many virulence factors by using ... -
Solubility and Bioactivity of the Pseudomonas Quinolone Signal Are Increased by a Pseudomonas aeruginosa-Produced Surfactant
Calfee, M. Worth; Shelton, John G.; McCubrey, James A.; Pesci, Everett C. (East Carolina University, 2005-02)Pseudomonas aeruginosa is a gram-negative bacterium that causes serious infections in immunocompromised individuals and cystic fibrosis patients. This opportunistic pathogen controls many of its virulence factors and ...