Cationic antimicrobial peptides activate a two‐component regulatory system, PmrA‐PmrB, that regulates resistance to polymyxin B and cationic antimicrobial peptides …

JB McPhee, S Lewenza… - Molecular …, 2003 - Wiley Online Library
The two‐component regulatory system PhoP‐PhoQ of Pseudomonas aeruginosa regulates
resistance to cationic antimicrobial peptides, polymyxin B and aminoglycosides in response …

Role of Pseudomonas aeruginosa PhoP-PhoQ in resistance to antimicrobial cationic peptides and aminoglycosides

ELA Macfarlane, A Kwasnicka… - Microbiology, 2000 - microbiologyresearch.org
Resistance to the polycationic antibiotic polymyxin B and expression of the outer-membrane
protein OprH in the opportunistic pathogen Pseudomonas aeruginosa both involve the PhoP …

Contribution of the PhoP-PhoQ and PmrA-PmrB Two-Component Regulatory Systems to Mg2+-Induced Gene Regulation in Pseudomonas aeruginosa

JB McPhee, M Bains, G Winsor, S Lewenza… - Journal of …, 2006 - Am Soc Microbiol
When grown in divalent cation-limited medium, Pseudomonas aeruginosa becomes
resistant to cationic antimicrobial peptides and polymyxin B. This resistance is regulated by …

PmrAB, a Two-Component Regulatory System of Pseudomonas aeruginosa That Modulates Resistance to Cationic Antimicrobial Peptides and Addition of …

SM Moskowitz, RK Ernst, SI Miller - Journal of bacteriology, 2004 - Am Soc Microbiol
Spontaneous polymyxin-resistant mutants of Pseudomonas aeruginosa were isolated. The
mutations responsible for this phenotype were mapped to a two-component signal …

Adaptive Resistance to the “Last Hope” Antibiotics Polymyxin B and Colistin in Pseudomonas aeruginosa Is Mediated by the Novel Two-Component Regulatory …

L Fernández, WJ Gooderham, M Bains… - Antimicrobial agents …, 2010 - Am Soc Microbiol
As multidrug resistance increases alarmingly, polymyxin B and colistin are increasingly
being used in the clinic to treat serious Pseudomonas aeruginosa infections. In this …

PhoP–PhoQ homologues in Pseudomonas aeruginosa regulate expression of the outer‐membrane protein OprH and polymyxin B resistance

ELA Macfarlane, A Kwasnicka, MM Ochs… - Molecular …, 1999 - Wiley Online Library
Rapid adaptation to environmental challenge is essential for the survival of many bacterial
species, and is often effectively mediated by two‐component regulatory systems. Part of the …

Polymyxin Resistance of Pseudomonas aeruginosa phoQ Mutants Is Dependent on Additional Two-Component Regulatory Systems

AD Gutu, N Sgambati, P Strasbourger… - Antimicrobial agents …, 2013 - Am Soc Microbiol
Pseudomonas aeruginosa can develop resistance to polymyxin as a consequence of
mutations in the PhoPQ regulatory system, mediated by covalent lipid A modification …

Polyamines Induce Resistance to Cationic Peptide, Aminoglycoside, and Quinolone Antibiotics in Pseudomonas aeruginosa PAO1

DH Kwon, CD Lu - Antimicrobial agents and chemotherapy, 2006 - Am Soc Microbiol
Pseudomonas aeruginosa, a gram-negative bacterium of human pathogens, is noted for its
environmental versatility, enormous metabolic capacity, and resistance to antibiotics …

Alterations in two-component regulatory systems of phoPQ and pmrAB are associated with polymyxin B resistance in clinical isolates of Pseudomonas aeruginosa

K Barrow, DH Kwon - Antimicrobial agents and chemotherapy, 2009 - Am Soc Microbiol
Polymyxins are often the only option to treat acquired multidrug-resistant Pseudomonas
aeruginosa. Polymyxin susceptibility in P. aeruginosa PAO1 is associated with the …

Interactions of Bacterial Cationic Peptide Antibiotics with Outer and Cytoplasmic Membranes ofPseudomonas aeruginosa

L Zhang, P Dhillon, H Yan, S Farmer… - Antimicrobial agents …, 2000 - Am Soc Microbiol
Polymyxins B and E1 and gramicidin S are bacterium-derived cationic antimicrobial
peptides. The polymyxins were more potent than gramicidin S against Pseudomonas …