Mycobacterium agri

Mycobacterium agri is a species of the phylum Actinomycetota (Gram-positive bacteria with high guanine and cytosine content, one of the dominant phyla of all bacteria), belonging to the genus Mycobacterium.

Mycobacterium agri
Scientific classification
Domain:
Bacteria
Phylum:
Class:
Order:
Family:
Genus:
Species:
M. agri
Binomial name
Mycobacterium agri
(ex Tsukamura 1972) Tsukamura 1981, ATCC 27406

Description

Microscopy

  • Gram-positive, nonmotile and acid-fast rods (3-7 µm 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 (0.5 mg/mL) and thiophene-2-carboxylic acid hydrazide (1 mg/L).

Pathogenesis

Not associated with disease.

Distribution

  • Found in soil worldwide

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.


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