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Conductance of pili preparations from G. sulfurreducens strains expressing either the native wild-type gene (control), a synthetic pilin gene (Aro-5) designed to be poorly conductive (Vargas et al., 2013) or the pilin gene of F. sinusarabici, C. nitroreducens, D. alkaliphilus or Ca. D. auxilii. Results shown are the mean and s.d. of triplicate measurements on triplicate electrode arrays.
