Summary of Variation for 14 SSR Loci Screened Among Strains ofE. coli
| Strain and substrain | No. of Repeats | Core | Coding or noncoding region | Genomic location, name of ORF, or downstream ORF |
| Mononucleotide SSRs | ||||
| K12:DH5α, K12:W3110 | 8 | G | noncoding | G1787407, ycgW |
| B SR9b | 4 | |||
| ETEC | 10 | |||
| EPEC | 8 | |||
| K12:DH5α,K12:W3110 | 10 | C | noncoding | G1786555, yaiN |
| B SR9c | 8 | |||
| E:1 | 10 | |||
| E:54, E:68 | 9 | |||
| K12:DHα,K12:W3110, BSR9b, BSR9c EHEC, E18 | 8 7 | A | noncoding | G1787106, serW |
| K12, B, EHEC, EPEC, ETEC | 9 | T | noncoding | G1790782, YjiD |
| K12:W3110, BSR9c, ETEC, E18 EHEC | 9 8 | T | noncoding | G1786218, caiF |
| K12:W3110, B SR9b, EHEC, EPEC, ETEC | 8 | C | coding | G1787051, b0829 |
| K12:W3110, B SR9b, EHEC, EPEC, ETEC | 9 | A | coding | G1790021, yibA |
| Dinucleotide SSRs | ||||
| K12, B, EHEC, EPEC, ETEC, E:1-69 | 4.5 | GT | noncoding | G1790630, aidB |
| K12, B, EHEC, EPEC, ETEC, E:1-69 | 4.5 | TC | noncoding | G1788430, molR_1 |
| K12:W3110, B SR9b, EHEC, EPEC, ETEC | 6 | GC | coding | G1786541, mhpR |
| Trinucleotide SSRs | ||||
| K12, B, EHEC, EPEC, ETEC, E:1-69 | 4 | GGT | noncoding | G1787973, b1688 |
| K12, B, EHEC, EPEC, ETEC, E:1-69 | 5 | CGG | coding | G1786284, ftsZ |
| Trinucleotide SSRs | ||||
| K12, B, EHEC, EPEC, ETEC, E:1-69 | 3 | ATTA | noncoding | G1789986, yiaB |
| K12, B, EHEC, EPEC, ETEC, E:1-69 | 4 | CTGG | coding | G1788332, hisC |