Volume 29, Number 11—November 2023
Research Letter
Domestically Acquired NDM-1–Producing Pseudomonas aeruginosa, Southern California, USA, 2023
Hannah K. Gray, Omer E. Beaird, Ethan A. Smith, Joanna M. Schaenman, and Shangxin Yang
Table
Antimicrobial genetic markers detected in a case of domestically acquired NDM-1–producing Pseudomonas aeruginosa, southern California, USA, 2023
| Resistance mechanism | Genes |
|---|---|
| Aminoglycoside modifying enzymes | aac(6')-Ib9, ant(3”)-IIa, aph(3′)-IIb, aph(3′)-VIa |
| β-lactamases | blaNDM-1, blaOXA-10, blaOXA-488, blaPDC-35, blaPME-1 |
| Fluoroquinolone resistance determinant | gyrA (T83I), parE (S457R) |
| Chloramphenicol resistance determinant | catB3, catB7, cmlA9 |
| Fosfomycin resistance determinant | fosA |
| Tetracycline resistance determinant | tet(D) |
| Sulfonamide resistance determinant | sul1 |
*NDM, New Delhi metallo-β-lactamase.
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