Increased innate immune susceptibility in hyperpigmented bacteriophage-resistant mutants of Pseudomonas aeruginosa

ND Menon, S Penziner, ET Montaño… - Antimicrobial Agents …, 2022 - Am Soc Microbiol
Bacteriophage (phage) therapy is an alternative to traditional antibiotic treatments that is
particularly important for multidrug-resistant pathogens, such as Pseudomonas aeruginosa …

Inactivation of the hmgA gene of Pseudomonas aeruginosa leads to pyomelanin hyperproduction, stress resistance and increased persistence in chronic lung …

A Rodríguez-Rojas, A Mena, S Martín… - …, 2009 - microbiologyresearch.org
Clinical isolates of Pseudomonas aeruginosa that hyperproduce a dark-brown pigment are
quite often found in the lungs of chronically infected patients, suggesting that they may have …

Hypoxia Increases the Tempo of Phage Resistance and Mutational Bottlenecking of Pseudomonas aeruginosa

AR Schumann, AD Sue, DR Roach - Frontiers in Microbiology, 2022 - frontiersin.org
Viruses that infect bacteria (ie, phages) are abundant and widespread in the human body,
and new anti-infective approaches such as phage therapy are essential for the future of …

The Basis for Natural Multiresistance to Phage in Pseudomonas aeruginosa

C Pourcel, C Midoux, G Vergnaud, L Latino - Antibiotics, 2020 - mdpi.com
Pseudomonas aeruginosa is responsible for long-term infections and is particularly resistant
to treatments when hiding inside the extracellular matrix or biofilms. Phage therapy might …

Survival Comes at a Cost: A Coevolution of Phage and Its Host Leads to Phage Resistance and Antibiotic Sensitivity of Pseudomonas aeruginosa Multidrug Resistant …

S Koderi Valappil, P Shetty, Z Deim, G Terhes… - Frontiers in …, 2021 - frontiersin.org
The increasing ineffectiveness of traditional antibiotics and the rise of multidrug resistant
(MDR) bacteria have necessitated the revival of bacteriophage (phage) therapy. However …

Accumulation of defense systems in phage-resistant strains of Pseudomonas aeruginosa

AR Costa, DF van den Berg, JQ Esser… - Science …, 2024 - science.org
Prokaryotes encode multiple distinct anti-phage defense systems in their genomes.
However, the impact of carrying a multitude of defense systems on phage resistance …

Chromosomal DNA deletion confers phage resistance to Pseudomonas aeruginosa

S Le, X Yao, S Lu, Y Tan, X Rao, M Li, X Jin, J Wang… - Scientific reports, 2014 - nature.com
Bacteria develop a broad range of phage resistance mechanisms, such as prevention of
phage adsorption and CRISPR/Cas system, to survive phage predation. In this study …

Phage treatment of Pseudomonas aeruginosa yields a phage-resistant population with different susceptibility to innate immune responses and mild effects on …

T Olszak, D Augustyniak, I García-Romero… - Microbiological …, 2024 - Elsevier
In this study, we have investigated innate immune activation capacity and metabolic features
of a population of P. aeruginosa PAO1 phage-resistant mutants with diverse genetic …

Characterization of phage resistance and their impacts on bacterial fitness in Pseudomonas aeruginosa

N Li, Y Zeng, M Wang, R Bao, Y Chen, X Li… - Microbiology …, 2022 - Am Soc Microbiol
The emergence and spread of antibiotic resistance pose serious environmental and health
challenges. Attention has been drawn to phage therapy as an alternative approach to …

Fluctuating bacteriophage-induced galU deficiency region is involved in trade-off effects on the phage and fluoroquinolone sensitivity in Pseudomonas aeruginosa

K Nakamura, J Fujiki, T Nakamura, T Furusawa… - Virus research, 2021 - Elsevier
Pseudomonas aeruginosa, which causes chronic infections, has demonstrated rapid
acquisition of antimicrobial resistance (AMR). Therefore, bacteriophages have received …