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Updated: Oct 15, 2025

Replication of the Ordered, Nonredundant Library of Pseudomonas aeruginosa strain PA14 Transposon Insertion Mutants
Published on: May 4, 2018
Pseudomonas aeruginosa: an antibiotic resilient pathogen with environmental origin
Pablo Laborda1, Fernando Sanz-García1, Sara Hernando-Amado1
1Centro Nacional de Biotecnología, CSIC, 28049, Madrid, Spain.
Abstract:
Pseudomonas aeruginosa, a bacterium characterized for its low antibiotics' susceptibility, is one of the most relevant opportunistic pathogens, causing infections at hospitals and in cystic fibrosis patients. Besides its relevance for human health, P. aeruginosa colonizes environmental ecosystems; therefore the elements driving its infectivity and antibiotic resistance must be analyzed from a One-Health perspective. Although some epidemic clones have been described, there are not specific lineages linked to infections, suggesting that P. aeruginosa virulence and antibiotic resistance determinants evolved in nature to play functions other than infecting the human host and avoiding antimicrobial treatment. Herein, we review current information on the population structure of P. aeruginosa and on the functional role that its resistance and virulence determinants have in non-clinical ecosystems.
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