| K. pneumoniae | Klebsiella pneumoniae |
| DMF | N,N-Dimethylformamide |
| MDR | Multidrug-resistant |
| MCR-1 | Mobile colistin resistance gene |
| MIC | Minimum inhibitory concentrations |
| CLSI | Clinical and Laboratory Standards Institute |
| PBS | Phosphate-buffered saline |
| CLSM | Confocal laser scanning microscope |
| SEM | Scanning electron microscopy |
| PI | Propidium iodide |
| DiOC3(5) | 3,3′-dipropylthiadicarbocyanine iodides |