Fig. 2From: Simultaneous achievement of high ethanol yield and titer in Clostridium thermocellum Ethanol production during the course of strain evolution. a First round of evolution, ethanol titer determined from 5 g/L cellobiose as substrate in CTFUD medium. b Second round of selection, ethanol titer determined from 50 g/L cellobiose as substrate in MTC mediumBack to article page