Table 3.
Insertion sequences found in safe strains.
| IS | Gene | W | K-12 | B | Crooks |
|---|---|---|---|---|---|
| IS1 | insAB | 0 (0) | 7 (0) | 28 (0) | 19 (0)a |
| IS1H | insXY | 1 (0) | 0 (0) | 0 (0) | 0 (1) |
| IS2 | insCD | 0 (0) | 6 (1) | 0 (2) | 0 (0) |
| IS3 | insEF | 3 (0) | 5 (2) | 5 (2) | 1 (0) |
| IS4 | insG | 0 (0) | 1 (0) | 1 (0) | 0 (0) |
| IS5 | insH | 0 (0) | 11 (0) | 0 (0) | 2 (0) |
| IS30 | insI | 0 (0) | 3 (1) | 0 (1) | 4 (0) |
| IS91 | 1 (0)b | 0 (0) | 0 (0) | 0 (0) | |
| IS150 | insJ | 2 (0)b | 1 (0) | 4 (1) | 0 (0) |
| IS186 | insL | 0 (0) | 3 (0) | 5 (0) | 3 (0) |
| IS600 | 0 (0) | 0 (1) | 1 (0) | 0 (0) | |
| IS609 | tnpAB | 4 (0) | 1 (0)c | 1 (0) | 0 (2) |
| IS621 | 4 (1) | 0 (0) | 0 (0) | 0 (0) | |
| IS911 | insO | 2 (0) | 0 (3) | 1 (2) | 0 (0) |
| ISEcB1 | 0 (0) | 0 (0) | 1 (0) | 0 (0) | |
| ISEhe3 | insX | 0 (0) | 0 (1)d | 0 (1) | 0 (1) |
| ISEc14 | 0 (0) | 0 (0) | 0 (0) | 3 (0) | |
| ISEc17 | 0 (0) | 0 (0) | 0 (0) | 3 (0) | |
| ISZ' | insZ | 0 (0) | 1 (0) | 0 (0) | 0 (0) |
| ISSd1 | 0 (0) | 0 (0) | 0 (0) | 0 (2) | |
| Total | 16 (1) | 38 (9) | 47 (9) | 35 (6) |
a Includes IS1 family elements
b Found on plasmid pRK1
c Annotated as predicted transposase in K-12 (MG1655) genome (locusTag b1432). Predicted to be IS609 by ISFinder
d Annotated as ISX in K-12 (MG1655) genome. Predicted to be ISEhe3 by ISFinder
Genes encoded on insertion sequences are noted; the number of additional pseudogenes is noted in brackets. Strains are W (ATCC 9637), K-12 (MG1655), B (REL606), Crooks (ATCC 8739).