Table 2.

Comparison of 16S rDNA signature sequences. The alignment comprises the two variable regions found in the 16S rRNA genes of selected members of species closely related to M. farcinogenes and M. senegalense; “-” indicates identity.

	16S rRNA position number 177 (E. coli position)	16S rRNA position number 254 (E. coli position)
M. fortuitum	C GAAT ATGACCAC GCGCTTCAT GGTGT	TTGGTGGGG TAATGGCCT AC
M. houstonense	–G– -G––– –––— –—	–––— –––— –
M. senegalense	–G– -G––– –––— –—	–––— –––— –
M. farcinogenes	–G– -G––– –––— –—	–––— –––— –
M. boenickei	–— -G––G- –T––– –G–	–––— –––— –
M. neworleansense	–— -G––G- –T––– –G–	–––— –––— –
M. porcinum	–— -G––G- –T––– –G–	–––— –––— –
M. septicum	–— –––G- –A––C- –—	–––— –––— –
M. peregrinum	–— –––G- –A––C- –—	–––— –––— –
M. alvei	–— ––—T –A––C- –—	–––— –––— –