TABLE 1.

Comparison of gene sequences of M. fortuitum and other mycobacteria^a

Species	% Similarity (% amino acid identity) to:
	3-mag					tyrS					16S rRNA
	M. fortuitum	M. smegmatis	M. avium	M. tuberculosis	M. leprae	M. fortuitum	M. smegmatis	M. avium	M. tuberculosis	M. leprae	M. fortuitum	M. smegmatis	M. avium	M. tuberculosis	M. leprae
M. fortuitum	100					100					100
M. smegmatis	58.7 (77)	100				80.5 (86.8)	100				98	100
M. avium	71.4 (68.4)	55.6 (63.7)	100			76.7 (76.8)	63.2 (75.4)	100			95.5	95.5	100
M. tuberculosis	63.1 (69)	53.3 (79.8)	75.8 (75)	100		75.3 (79.4)	64.6 (74.9)	81.3 (86.7)	100		96.1	95.9	98.5	100
M. leprae	NDb	ND	ND	ND	100	56.9 (73.3)	48.5 (71.3)	60.19 (79.5)	76 (82.2)	100	95.4	95.5	98.5	98.3	100

^aSee Fig. 1.

^bND, not determined.