TABLE 1.

Bacterial strains tested in this study

Bacterial strain	Isolate source
M. paratuberculosis
ATCC 19698	Bovine, clinical case of paratuberculosis, type strain
JTC303	Bovine, clinical case of paratuberculosis, JTCa
UCF-3	Human, Crohn's disease patient ileum, UCFb
UCF-4	Human, Crohn's disease patient ileum, UCFb
UCF-5	Human, Crohn's disease patient ileum, UCFb
UCF-7	Human, Crohn's disease patient ileum, UCFb
UCF-8	Human, Crohn's disease patient ileum, UCFb
B213	Bovine, clinical case of paratuberculosis, UCFb
B236	Bovine, clinical case of paratuberculosis, UCFb
B238	Bovine, clinical case of paratuberculosis, UCFb
B244	Bovine, clinical case of paratuberculosis, UCFb
M. avium
ATCC 35712	Chicken, TMC701,c serotype 2
ATCC 25291	Chicken, liver, TMC724, serotype 2, type strain
104	Human, AIDS patient, serotype 1d
JTC48627	Bison, fecal sample
JTC981	Bongo, fecal sample
EPA3	Water, WSLHe
WSLH1544	Water, WSLH
Rapidly growing mycobacteria
M. phlei ATCC11758	TMC1458, type strain
M. smegmatis ATCC14468	TMC1546, suggested neotype
M. smegmatis mc2155f	Transformably competent isolate of mc26
Other bacterial speciesg
E. coli ATCC 25922	Clinical isolate, FDA strain
E. faecalis ATCC 29212	Human urine

^aJTC, Johne's Testing Center, Madison, WI.

^bSaleh Naser, University of Central Florida (UCF), Orlando, FL.

^cTrudeau Mycobacterial Culture Collection.

^dObtained from A. M. Talaat (University of Wisconsin-Madison; originally from Raul Barletta at the University of Nebraska).

^eWSHL, Wisconsin State Hygiene Laboratory.

^fObtained from the American Type Culture Collection.

^gQuality control strains used in antibiotic susceptibility testing.