MYCOBACTERIUM AGRI

'''Mycobacterium agri'''

Contents

Description

Pathogenesis

Distribution

Type Strain

References

Description

'Microscopy'

★ Gram-positive, nonmotile and acid-fast rods (3-7µm long). Frequently join to grow in long threads.
'Colony characteristics'

★ Rough, and nonphotochromogenic colonies.
'Physiology'

★ Rapid growth on egg media at 22-45°C, not at 52°C, in less than 5 days.

★ Niacin negative, catalase positive, β-galactosidase usually positive.

★ Tween 80 not hydrolysed after 14 days.

★ Resistant to 5% NaCl, p-nitrobenzoic acid (0.5mg/ml) and thiophene-2-carboxylic acid hydrazide (1mg/l).

Pathogenesis

Not associated with disease.

Distribution

★ Found in soil world-wide

Type Strain

★ Strain 90012 = ATCC 27406 = CCUG 37673 A = CIP 105391 = DSM 44515 = JCM 6377.

References

★ 'Tsukamura,M.' 1981. Numerical analysis of rapidly growing, nonphotochromogenic mycobacteria, including Mycobacterium agri (Tsukamura 1972) Tsukamura sp. nov., nom. rev. Int. J. Syst. Bacteriol. 31, 247-258.