Fig. 2.

Fig. 2. Sensor and memory cI/Cro system. (A) cI state. (B) In the presence of anhydrotetracycline (aTc), the TetR repressor conformational structure is altered, allowing the P_tet promoter to transcribe the cro gene; the cell is switched to a cro state.

© J. Microbiol. Biotechnol.