Table 1. Characteristics of pQEB1 representatives and their bacterial hosts.
| Patient | Isolation date | Specialty* | Host | pQEB1 | ||||||
| ID | Species | ST | Size(bp) | Inversion | Acquisitions | |||||
| 1 | 2 | 3 | ||||||||
| 1 | 25 January 2023 | L | ECL-08 | E. cloacae | 527 | 62 847 | − | − | − | − |
| 2 | 10 May 2023 | S (MN) | CFR-01 | C. freundii | 95 | 72 121 | − | − | − | merR Tn::IS4321§ |
| 3 | 19 October 2023 | L (M) | CFR-02 | C. freundii | 111 | 70 271 | − | − | − | Tn::IS5¶ |
| 4 | 23 November 2023 | L (R) | CFR-03 | C. freundii | 22 | 65 079 | + | − | − | IS5708§ |
| 5 | 19 December 2023 | H (R) | ECL-21 | E. cloacae | 527 | 67 319 | − | − | + | Tn5403 |
| 6 | 5 January 2024 | L | ECL-22 | E. cloacae | 310 | 64 496 | + | + | − | − |
| 7 | 9 January 2024 | H (S) | RPL-1 | R. planticola | –‡ | 64 049 | − | − | − | ISKpn26§,¶ |
| 8 | 12 January 2024 | G (M) | KOX-3 | K. oxytoca | 381 | 72 485 | + | − | − | arsR Tn |
| 9 | 16 January 2024 | L | ECL-26 | E. cloacae | 310† | 63 675 | + | − | − | − |
| 10 | 25 January 2024 | L (R) | ECL-28 | E. cloacae | 310† | 63 676 | + | − | − | − |
| 11 | 27 January 2024 | L | KOX-4 | K. oxytoca | –‡ | 63 667 | + | − | − | − |
| 8 | 5 February 2024 | G (M) | KPN-27 | K. pneumoniae | 318 | 72 483 | + | − | − | arsR Tn |
1 *Recent hospital specialty before and during time of isolation [(other specialties the patient spent time in]). L, Liver,; M, Medicine,; N, Neurology,; R, Renal,; H, Haematology, S=Surgery, G=Geriatric.
2 †Matches ST310 at 6/7 loci, with the remaining locus assigned an ambiguous call.
3 ‡ST not assigned. The K. oxytoca does not share any alleles with ST381.
4 §Complete copy also present in host chromosome.
5 ¶Complete copy also present in co-resident plasmid.