M. fortuitum
ND
NON
POS
ND
D
POS
POS/POS
ND
ND
ND
POS
M. chelonae
ND
NON
NEG
ND
POS NEG
POS/POS
NEG
D
ND
POS
M. simiae
POS
P
NEG
POS D
NEG
NEG/NEG
NEG
POS
POS
POS
M. szulgai
POS
S/P
POS
NEG POS NEG
ND/ND
D
ND
POS
D
M. smegmatis
ND
NON
POS
ND
ND POS
NEG/ND
ND
ND
ND
ND
Symbols:
POS positive,
NEG negative,
V variable.
+ 90% or more of strains are positive,
À 90% or more of strains are negative,
D 11–89% of strains are positive,
V variability of
reaction of strains within a given species,
W weak reaction,
N nonchromogenic,
S scotochromogenic,
P photochromogenic,
ND not data available
Culturing Mycobacteria
21