Mycobacterium microti

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Mycobacterium microti
Scientific classification
Kingdom: Bacteria
Phylum: Actinobacteria
Order: Actinomycetales
Suborder: Corynebacterineae
Family: Mycobacteriaceae
Genus: Mycobacterium
Species: M. microti
Binomial name
Mycobacterium microti
Reed 1957, ATCC 19422

Mycobacterium microti

Description[edit]

Gram-positive, nonmotile and acid-fast rods.

Colony characteristics

  • Variable colony morphology, buff in colour, either rough or smooth.

Physiology

Differential characteristics

  • A commercial hybridisation assay (AccuProbe) to identify members of the M. tuberculosis complex exists.
  • All members of the M. tuberculosis complex share identical 16S rDNA and internal transcribed spacers (ITS) sequences
  • But molecular differentiation is possible by gyrB sequence polymorphism

Pathogenesis[edit]

  • Cause of naturally acquired generalized tuberculosis in voles.
  • Recently van Soolingen et al. reported about the first infections among humans caused by M. microti
  • Losing pathogenicity on repeated subculture.
  • Biosafety level 3

Type strain[edit]

Strain ATCC 19422 = CIP 104256 = NCTC 8710.

References[edit]