FIG. 3.
Transformation efficiency and appearance of spontaneous oscillations in relation to field strength for ET of C. thermocellum ATCC 27405. (A) ET efficiency. (B) Oscillations for field strengths of 11 kV/cm (1), 12 kV/cm (2), and 25 kV/cm (3). Vertical scale, 5 V/division; horizontal scale, 2 ms/division.