23S rRNA gene sequences in the IVS region. The locations and sequences of IVS are shown for C. jejuni NCTC 11168 (11168), C. coli RM2228 (RM2228), C. coli 6818 (6818), C. coli 6979 (6979), C. coli strain 6979 Emr transformant (6979T), and C. coli strain 6979 Emr spontaneous mutant (6979mut). Coordinates correspond to nt 1180 to nt 1195 of the 23S rRNA gene of C. jejuni NCTC 11168.