TABLE 2.

Interspecies similarity of partial recA gene sequences (∼915 bp)^a

Species	% Similarity
	M. africanum	M. bovis	M. microti	M. abscessus	M. chelonae	M. xenopi	M. szulgai	M. intracellulare	M. avium	M. gastri	M. kansasii	M. gordonae	M. asiaticum	M. simiae	M. scrofulaceum	M. gadium	M. phlei	M. shimoidei	M. terrae	M. nonchromogenicum	M. triviale	M. marinum	M. leprae	M. smegmatis	M. mucogenicum	M. fortuitum	M. peregrinum ATCC 14467	M. peregrinum ATCC 23015	M. porcinum	M. album	M. aurum
M. tuberculosis	100	100	100	81.5	81.7	86.3	89.4	89.7	90.0	91.4	90.7	88.9	89.8	89.8	89.7	85.9	86.4	86.7	86.7	86.1	84.9	89.5	83.3	85.5	84.3	85.1	84.5	84.9	86.1	84.6	81.5
M. africanum		100	100	81.5	81.7	86.3	89.4	89.7	90.0	91.4	90.7	88.9	89.8	89.8	89.7	85.9	86.4	86.7	86.7	86.1	84.9	89.5	83.3	85.5	84.3	85.1	84.5	84.9	86.1	84.6	81.5
M. bovis			100	81.5	81.7	86.3	89.4	89.7	90.0	91.4	90.7	88.9	89.8	89.9	89.7	85.9	86.4	86.7	86.7	86.1	84.9	89.5	83.3	85.5	84.3	85.1	84.5	84.9	86.1	84.6	81.5
M. microti				81.5	81.7	86.3	89.4	89.7	90.0	91.4	90.7	88.9	89.8	89.9	89.7	85.9	86.4	86.7	86.7	86.1	84.9	89.5	83.3	85.5	84.3	85.1	84.5	84.9	86.1	84.6	81.5
M. abscessus					90.4	81.1	83.0	85.5	83.6	83.0	82.9	83.6	82.7	84.5	84.2	85.0	84.9	82.9	84.4	85.0	84.2	82.0	78.9	87.4	88.4	85.5	85.2	84.5	85.9	85.5	82.3
M. chelonae						80.0	82.9	85.1	84.2	83.2	82.9	81.7	82.2	85.1	84.5	85.2	84.2	82.6	84.4	85.0	84.0	81.1	78.4	85.5	87.9	85.0	86.0	85.7	86.2	85.0	82.3
M. xenopi							85.3	86.6	85.6	85.7	85.4	84.5	84.8	87.5	86.3	83.0	82.9	86.6	84.9	84.6	83.8	84.2	80.8	82.9	81.5	82.7	82.3	82.2	83.4	83.2	78.5
M. szulgai								88.7	90.0	90.8	90.6	89.1	90.1	89.7	89.4	85.2	86.8	86.5	86.5	85.7	85.4	90.5	83.0	85.0	84.4	84.8	84.2	84.1	85.2	85.0	80.9
M. intracellulare									95.9	91.1	90.2	90.2	90.0	95.0	95.4	87.7	89.7	88.5	90.8	90.7	88.8	88.9	84.6	87.6	87.6	87.6	87.5	87.8	89.4	88.0	84.3
M. avium										91.1	90.4	89.1	90.0	94.3	95.1	87.5	89.9	88.4	91.3	89.9	89.1	88.8	84.1	87.6	87.4	87.2	87.8	87.6	88.8	86.8	84.4
M. gastri											96.2	89.9	90.8	90.2	90.4	86.3	87.7	87.2	87.4	87.2	85.5	90.9	86.0	85.2	84.3	85.5	85.2	85.4	86.4	85.5	82.0
M. kansasii												89.4	89.9	90.1	90.0	86.5	87.6	86.4	87.2	86.7	85.0	91.0	86.1	85.1	84.3	85.3	85.1	84.9	86.5	84.4	81.2
M. gordonae													90.1	89.1	89.1	87.1	87.8	86.6	87.8	87.6	86.0	88.9	82.1	85.5	83.4	85.0	84.5	84.3	86.0	85.2	80.9
M. asiaticum														90.1	89.6	86.8	87.8	86.3	88.5	87.8	86.6	89.4	84.6	86.1	85.5	86.3	85.5	85.3	86.4	85.7	82.4
M. simiae															94.5	86.1	87.9	87.8	90.4	89.8	88.6	88.9	84.5	87.3	87.2	86.6	87.1	87.5	88.8	87.0	83.9
M. scrofulaceum																87.0	88.8	87.8	89.9	89.5	89.4	88.7	84.6	87.3	86.7	87.2	86.8	87.3	88.7	85.7	83.2
M. gadium																	94.8	87.3	86.7	87.6	87.3	85.1	79.6	87.5	86.6	87.5	87.3	87.5	88.0	87.2	84.9
M. phlei																		87.1	88.5	88.7	88.5	86.6	79.9	89.3	88.2	88.2	88.2	88.4	88.9	88.8	85.9
M. shimoidei																			88.5	88.3	86.3	85.6	81.8	84.6	83.8	84.9	85.7	85.7	85.9	85.9	83.8
M. terrae																				93.2	89.0	86.2	81.9	88.9	87.1	87.8	88.7	88.8	89.1	87.7	84.9
M. nonchromogenicum																					88.9	86.0	82.5	88.4	87.5	88.9	89.4	89.5	89.5	87.8	84.5
M. triviale																						85.2	79.7	87.2	87.0	86.4	86.4	86.4	86.7	86.0	84.7
M. marinum																							83.2	84.8	84.3	84.6	83.7	83.7	85.4	83.7	80.6
M. leprae																								78.5	78.6	79.7	79.4	79.3	80.3	79.6	75.7
M. smegmatis																									89.8	92.2	92.2	92.0	93.2	90.9	86.2
M. mucogenicum																										89.0	89.6	89.6	90.1	89.3	85.4
M. fortuitum																											94.3	94.0	94.4	90.9	84.7
M. peregrinum ATCC 14467																												96.2	95.4	90.7	85.0
M. peregrinum ATCC 23015																													95.7	90.6	85.4
M. porcinum																														91.8	85.8
M. album																															85.1

^aThe sequences used were those of the type strains representative of each species, when available (refer to Table 1), M. leprae (GenBank accession number X73822), M. album ATCC 29676, M. bovis ATCC 35720, and M. nonchromogenicum ATCC 19531.