Table 2.
Mutations in the rpoS genes of clinical and spinach isolates
| Isolatea | Sourceb | Position in the rpoS gene | Mutation |
|---|---|---|---|
| RM6069-1 to -10 | HC | 999–1009 | Deletion of GCTGAATATCG, frameshift |
| RM6069-11 | HC | 159 | Deletion of C, frameshift |
| RM6069-12 | HC | Wild-type as compared to RM6103 | |
| RM6655 | HC | 388 | G-to-A transition, missense (D to N) |
| RM6658-1 | HC | 125 | T-to-G transversion, nonsense |
| RM6658-2 | HC | 473 | Insertion of A, frameshift |
| RM9998 | SB | 976 | Insertion of A, frameshift |
| RM10002 | SB | 43 | C-to-T transition, nonsense |
a
Numbers after strain number correspond to separate single colony picks.
b
HC, human clinical strain associated with 2006 spinach outbreak; SB, bagged spinach strain associated with the 2006 spinach outbreak.