Fig. 6From: An efficient method for markerless mutant generation by allelic exchange in Clostridium acetobutylicum and Clostridium saccharobutylicum using suicide vectorsSporulation of C. acetobutylicum ∆cac1502 ∆cac3535 ∆upp and C. saccharobutylicum ∆hsdR1∆ hsdR2 ∆hsdR3 ∆upp with and without the mutation in Spo0A (G179S and G172S, respectively)Back to article page