Table 2.
Distribution of mcr gene and number of closed plasmids
| Gene (no. of isolates) | mcr location | Number of closed plasmids (size of plasmid) |
|---|---|---|
| mcr-1 (n = 96) | IncHI1 (n = 39) | one (217 496 bp) |
| IncX4 (n = 32) | seven (33 309–39 574 bp) | |
| IncI2 (n = 7) | — | |
| IncHI2 (n = 1) | — | |
| chromosome (n = 13) | — | |
| not defined (n = 4) | — | |
| mcr-3 (n = 61) | IncX1 (n = 12) | six (32 893–53 563 bp) |
| IncFII (n = 10) | three (42 864–89 737 bp) | |
| IncP1 (n = 5) | — | |
| IncN (n = 2) | — | |
| IncX1/N (n = 1) | one (64 994 bp) | |
| IncFIA/FIB (n = 1) | one (70 757 bp) | |
| IncHI1 (n = 1) | one (302 729 bp) | |
| IncY (n = 1) | one (109 103 bp) | |
| chromosome (n = 3) | — | |
| not defined (n = 25) | — | |
| mcr-9 (n = 1) | IncHI2 (n = 1) | one (263 699 bp) |