TABLE 1.
Biochemical reactions of Nocardia species
| Species (no. of isolates) | Arylsulfatase (7 d)a | Acetamide utilization (3 d) | Gelatin liquefaction (7 d) | Equivalent growth at 35°/45°C (3 d) | Opacification of 7H11 agar (7 d) | API 20C assimilation results (4-7 d)
|
||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| glub | gly | gal | nag | ino | ado | tre | ||||||
| N. nova (19) | + (89)c | − | − | − (95) | − | + | − | − | − | − | − | − |
| N. asteroides I (8) | − | − (88) | − | − | − | + | + | − | + (63) | − | − | − |
| N. asteroides VI (10) | − | − (60) | − | + (60) | − | + | + (90) | − | − (90) | − | − | − (80) |
| N. asteroides IV (1) | − | − | − | − | − | + | + | + | − | − | − | + |
| N. farcinica (16) | − | + | − | + | + (94)e | + | +d | +d (63) | − | − | − | − (94) |
| N. otitidiscaviarum (8) | − | − | − | − (88) | − | + | + | − (75) | + | + | − | + (50) |
| N. brasiliensis (6) | − | − | + (83) | − | − | + | + | + | + | + | − | + |
| N. pseudobrasiliensis (5) | − | − | + | − | − | + | + | + | + | + | − | + |
| N. transvalensis (1) | − | − | − | − | − | + | + | + | + | − | + | −f (+) |
| N. brevicatena (1) | − | − | − | − | − | − | − | − | − | − | − | + |
a
Incubaton time required for result is indicated in parentheses in boxheads. d, days.
b
Abbreviations: glu, glucose; gly, glycerol; gal, galactose; nag, N-acetyl-d-glucosamine; ino, inositol; ado, adonitol; tre, trehalose.
c
Numbers in parentheses are percentages of isolates with the indicated reactions; 100% unless specified.
d
Some weak reactions observed.
e
ATCC 3318 was negative.
f
Result of ATCC 29982; 90% of clinical isolates are positive (17).