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List of σ-factors of E. coli
| Sigmafactor | Function | Reference |
|---|---|---|
| RpoD (σ70) | Housekeeping gene expression | [13] |
| RpoS (σ38) | Initiation of the stationary phase and stress response |
[14] |
| RpoF (σ28) | Synthesis of flagella andchemotaxis |
[15] |
| RpoN (σ54) | Activation of nitrogen metabolism |
[16] |
| RpoH (σ32) | Response to heat shock | [17] |
| RpoE (σ24) | Response to stress associated with membrane damage |
[18] |
| FecI (σ19) | Expression of nitrate transport genes |
[19] |
