Figure 3From: Reassessment of hydrogen tolerance in Caldicellulosiruptor saccharolyticusSummary of the various factors affecting H 2 tolerance in C. saccharolyticus . Regulation at enzyme level is depicted by the 'simple dashed' line and at metabolic level by 'dash-dotted' line; 'plus' sign shows activation and 'minus' sign shows inhibition.Back to article page