Figure 3From: Cellulosic ethanol production by natural bacterial consortia is enhanced by Pseudoxanthomonas taiwanensis P. taiwanensis increases ethanol production by various consortia. (A) IS, SW, and SS differed significantly in their community structure, as shown by PCR-DGGE analysis. (B) Principal component analysis (PCA) of the PCR-DGGE data in A. PC1 and PC2 explained 57.0% and 43.0% of the total variance, respectively. (C) Enhancing the ethanol production of consortia using P. taiwanensis. Fermentation was conducted at 55°C for 7 days with the original consortia as controls. Samples were collected each day to measure ethanol titers, and the highest titers are shown. The error bars represent the SD (n = 3).Back to article page