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Key Findings
The study identified multiple AMR genes and mutations contributing to multidrug resistance in Pseudomonas aeruginosa ST175, including aadB and aadA13 for aminoglycoside resistance, ampR and oprD mutations for β-lactam resistance, mexZ for efflux pump overexpression, and gyrA, parC, and glpT mutations for fluoroquinolone and fosfomycin resistance.
| Gene | Protein Change | Nucleotide Change | Mechanism | Organism | Resistance To | Database | Validation Status |
|---|---|---|---|---|---|---|---|
| G195E | - | overexpression of MexXY | Pseudomonas aeruginosa | Cefepime|Aminoglycoside | Reslit | - | |
| T83I | - | - | Pseudomonas aeruginosa | Fluoroquinolones | Reslit | - | |
| G154R | - | ampC hyperproduction | Pseudomonas aeruginosa | Ceftazidime|Piperacillin/tazobactam |
| - |
| D87N | - | - | Pseudomonas aeruginosa | Fluoroquinolones | Reslit | - |
| Q142X | - | - | Pseudomonas aeruginosa | Carbapenem | Reslit | - |
| S87W | - | - | Pseudomonas aeruginosa | Fluoroquinolones | Reslit | - |
| W138X | - | - | Pseudomonas aeruginosa | Carbapenem | Reslit | - |
| T211P | - | glycerol-3-phosphate transporter GlpT | Pseudomonas aeruginosa | FosfomycinFOSFOMYCIN | ReslitReference Gene Catalog | - |
| W138Ter | - | outer membrane porin OprD | Pseudomonas aeruginosa | CARBAPENEM | Reference Gene Catalog | - |
| H77Y | - | 1,6-anhydro-N-acetylmuramyl-L-alanine amidase AmpD | Pseudomonas aeruginosa | CEPHALOSPORIN | Reference Gene Catalog | - |
| T139M | - | 1,6-anhydro-N-acetylmuramyl-L-alanine amidase AmpD | Pseudomonas aeruginosa | CEPHALOSPORIN | Reference Gene Catalog | - |
| R504C | - | penicillin-binding protein PBP3 FtsI | Pseudomonas aeruginosa | CARBAPENEM | Reference Gene Catalog | - |
| V45L | - | multidrug efflux RND transporter permease subunit MexB | Pseudomonas aeruginosa | BETA-LACTAM/QUINOLONE/TETRACYCLINE | Reference Gene Catalog | - |
| Q142Ter | - | outer membrane porin OprD | Pseudomonas aeruginosa | CARBAPENEM | Reference Gene Catalog | - |
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