Fig. 3From: Engineering Corynebacterium glutamicum for violacein hyper productionViolacein fermentation culture pictures and microscopic pictures. C. glutamicum 21850 (pEC-J-vio1) culture (a) and its corresponding microscopic photo (c); 21850 (pEC-C-vio1) culture (b) and its corresponding microscopic photos (d), extracellular crude violacein crystals are indicated with the arrows Back to article page