Table 1.
Summary of the 171 blaNDM-harboring plasmids of Klebsiella pneumoniae.
| Clade | Plasmid numbers | Main replicon types | Main blaNDM | Plasmid sizes (kb) | Main geographic distribution | Main ST types of hosts | Conjugative transfer region | |||
|---|---|---|---|---|---|---|---|---|---|---|
| oriT | Relaxase | T4CP | T4SS | |||||||
| I | 29 | IncX3 | bla NDM-1 | 45.1–159.3 | China | – | – | MOBP | VirD4/TraG | VirB-like |
| bla NDM-5 | ||||||||||
| II | 10 | IncN | bla NDM-1 | 38.4–63.1 | China | ST15 | NW-type | MOBF | TrwB/TraD | Trw-like |
| III | 11 | IncFIB(pQil) | bla NDM-1 | 54 | Italy, United States | ST147 | – | – | – | – |
| IV | 5 | untypeable | bla NDM-1 | 75.3–86.0 | Viet Nam | ST395, ST16 | – | MOBF | TrwB/TraD | Tra_F-like |
| bla NDM-4 | ||||||||||
| V | 13 | IncFII | bla NDM-5 | 75.3–140.6 | India | ST16, ST147, ST2096 | F-type | MOBF | TrwB/TraD | Tra_F-like |
| VI | 4 | untypeable | bla NDM-1 | 75.6–100.2 | – | – | L/M-type | MOBP | TrwB/TraD | Tra_I-like |
| VII | 4 | IncFII(pKPX1) | bla NDM-1 | 96.8–250.4 | – | – | L/M-type | MOBP | TrwB/TraD | Tra_I-like |
| VIII | 18 | IncF | bla NDM-1 | 94.4–316.2 | – | – | F-type | MOBF | TrwB/TraD | Tra_F-like |
| IX | 21 | IncC | bla NDM-1 | 140.1–329.2 | United States, China, Viet Nam | ST11, ST1967 | A/C-type | MOBH | TrwB/TraD | Tra_F-like |
| X | 40 | IncF | bla NDM-1 | 238.0–401.6 | China, United States | ST14, ST11, ST147 | – | MOBH | TrwB/TraD | Tra_F-like |