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Fig. 3 | Biotechnology for Biofuels

Fig. 3

From: Comprehensive molecular characterization of Methylobacterium extorquens AM1 adapted for 1-butanol tolerance

Fig. 3

The evolved strains are more robust to high concentration of 1-butanol. a Comparison of growth rate between the WT and tolerant strains in the presence of butanol; b and c colony forming unit (cfu) and cell survival rate. The rate was calculated as cfu per ml of 5 % (v/v) butanol-exposed culture divided by that of control culture; d BHBT3 and BHBT5 strains displayed increased tolerance towards isobutanol. The data were presented as the mean plus STDEV calculated from triplicate biological replicates

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