Figure 5From: A novel arabinose-inducible genetic operation system developed for Clostridium cellulolyticum Availability of the counterselection marker MazF in C . cellulolyticum H10. Cells of H10::pARA-MazE/F (A) and H10::pARA-PpFbFPm (B) were plated onto solid GS-2 medium with (superscript +) or without (superscript −) addition of erythromycin (Ery) or L-arabinose (Ara).Back to article page