Fig. 3From: Biodegradation of alkaline lignin by Bacillus ligniniphilus L1Scanning electron micrograph of lignin. a Untreated lignin, b lignin treated by 7 days incubation in MM63 medium with lignin as single carbon source without strain, c lignin treated by 7 days degradation with strain L1 in MM63 medium with lignin as single carbon sourceBack to article page