Fig 1.
(A) Comparison of growth of E. coli strains on cellobiose minimal medium. For these experiments, strains were grown overnight in LB, washed with M9 salts, and suspended in fresh M9-cellobiose minimal medium to a final OD of 0.05. OSS–closed diamond; OSS-yebK*–closed triangle; OSS-ascB*–closed square; OSS-yebK*/ascB*–closed circle; ESS–open circle. Error bars indicate the standard deviation of experiments performed in triplicate. (B) Comparison of growth of E. coli strains on cellobiose minimal medium. These strains were pre-adapted on M9-cellobiose minimal medium to mid-log phase and diluted into fresh M9-cellobiose minimal medium. OSS–closed diamond; OSS-yebK*–closed triangle; OSS-ascB*–closed square; OSS-yebK*/ascB*–closed circle; ESS–open circle. Error bars indicate the standard deviation of experiments performed in triplicate.