Results 21 to 30 of about 5,604 (199)

High-Throughput Genetic Screen Reveals that Early Attachment and Biofilm Formation Are Necessary for Full Pyoverdine Production by Pseudomonas aeruginosa [PDF]

open access: yesFrontiers in Microbiology, 2017
Pseudomonas aeruginosa is a re-emerging, multidrug-resistant, opportunistic pathogen that threatens the lives of immunocompromised patients, patients with cystic fibrosis, and those in critical care units.
Donghoon Kang, Natalia V. Kirienko
doaj   +2 more sources

Enzymology of the periplasmic pyoverdine maturation

open access: yes, 2018
Iron is of prominent importance for most living organisms, involved in many central processes, such as respiration or photosynthesis. To circumvent iron limitation, many organisms have developed strategies to keep ferric iron soluble, for instance by ...
Ringel, Michael Thomas
core   +2 more sources

The biosynthesis of pyoverdines [PDF]

open access: yesMicrobial Cell, 2018
Pyoverdines are fluorescent siderophores of pseudomonads that play important roles for growth under iron-limiting conditions. The production of pyoverdines by fluorescent pseudomonads permits their colonization of hosts ranging from humans to plants.
Michael T. Ringel, Thomas Brüser
openaire   +6 more sources

Overexpression of the MexXY Multidrug Efflux System Correlates with Deficient Pyoverdine Production in Pseudomonas aeruginosa

open access: yesAntibiotics, 2021
Multidrug-resistant Pseudomonas aeruginosa poses a serious problem due to hospital- and healthcare-associated infections. A major drug resistance mechanism of P.
Kei Ikarashi   +4 more
doaj   +1 more source

Pyoverdine aus Pseudomonas putida / Pyoverdins from Pseudomonas putida

open access: yesZeitschrift für Naturforschung C, 1992
The structures of two pyoverdins (Pp 1 and Pp 2) and one dihydropyoverdin (dihydro-Pp 2) from a strain of Pseudomonas putida have been elucidated by spectroscopic methods and degradation studies. The pyoverdins Pp 1 and Pp2 consist of a chromophore which was identified as (1 S)-5-amino-2,3-dihydro-8,9-dihydroxy-1 H-pyrimido[1,2-a]quinoline-1-carboxylic
I. Gwose, K. Taraz
openaire   +2 more sources

Rapid development of cefiderocol resistance in a carbapenem-resistant Pseudomonas aeruginosa isolate associated with mutations in the pyoverdine biosynthesis pathway

open access: yesJournal of Global Antimicrobial Resistance, 2023
: Here we report the in vivo development of cefiderocol resistance within 11 days after therapy initiation in a critically ill patient with bloodstream infection, infection of peri-anal fistula, and pneumonia caused by a VIM-2 harbouring, carbapenem ...
Luise Brakert   +8 more
doaj   +1 more source

Total Synthesis of Pyoverdin D

open access: yesOrganic Letters, 2013
Pyoverdin D is an important siderophore that is used by the human pathogen Pseudomonas aeruginosa to import iron and gain a competitive advantage. This unique partially cyclic octapeptide bears four nonproteinogenic amino acids, including (δ)N-formyl-(δ)N-hydroxy-l-ornithine, and a catechol containing chiral chromophore. Here, we report the first total
Roi Mashiach, Michael M. Meijler
openaire   +3 more sources

Siderophore activity of pyoverdin for Pseudomonas aeruginosa [PDF]

open access: yesInfection and Immunity, 1985
Pseudomonas aeruginosa produces an extracellular compound with yellowish green fluorescence, called pyoverdin, which functions as a siderophore. The production of pyoverdin, formerly called fluorescein, is concomitant with the production of another siderophore, pyochelin. Pyoverdin is produced by P.
C D, Cox, P, Adams
openaire   +2 more sources

Pyoverdine-Dependent Virulence of Pseudomonas aeruginosa Isolates From Cystic Fibrosis Patients

open access: yesFrontiers in Microbiology, 2019
The development of therapies that modulate or prevent pathogen virulence may be a key strategy for circumventing antimicrobial resistance. Toward that end, we examined the production of pyoverdine, a key virulence determinant, in ∼70 Pseudomonas ...
Donghoon Kang   +5 more
doaj   +1 more source

The RND efflux system ParXY affects siderophore secretion in Pseudomonas putida KT2440

open access: yesMicrobiology Spectrum, 2023
Tripartite efflux systems transport antimicrobial agents, toxic metabolites, and siderophores from Gram-negative cells into the environment. For example, the main siderophore pyoverdine of the soil bacterium Pseudomonas putida KT2440 is secreted into the
Nicola Victoria Stein   +6 more
doaj   +1 more source

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