Neha Patil (Editor)

Mycobacterium flavescens

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Kingdom
  
Bacteria

Order
  
Actinomycetales

Family
  
Mycobacteriaceae

Scientific name
  
Mycobacterium flavescens

Phylum
  
Actinobacteria

Suborder
  
Corynebacterineae

Genus
  
Mycobacterium

Rank
  
Species

Mycobacterium flavescens genomejgidoegovmycflmycfljpg

Similar
  
Mycobacterium gordonae, Mycobacterium scrofulaceum, Mycobacterium malmoense, Mycobacterium phlei

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

Contents

Etymology: Latin, flavescens = becoming golden yellow.

Description

Gram-positive, nonmotile and acid-fast rods.

Colony characteristics

  • Rough, yellow-orange scotochromogenic, butyrous colonies.

    • Physiology

  • Slow growth on Löwenstein-Jensen medium at 25-37°C, but not at 45 °C within 7–10 days.
  • Although growth rate is intermediate, metabolic and physiologic properties are more like rapidly growing species.

    • Differential characteristics

  • Serologic specificity demonstrated by immunodiffusion.
  • Related to Mycobacterium fortuitum: can be distinguished by its intense pigment production, and its slow rate of growth.

    • Pathogenesis

    Not associated with disease. Biosafety level 2.

    Type strain

  • Normal human flora, environmental habitat.
  • First isolated from a drug treated tuberculous guinea pig (Mexico).

    • Strain ATCC 14474 = CCUG 29041 = CIP 104533 = DSM 43991 = JCM 12274 = NCTC 10271 = NRRL B-4038.

    References

    Mycobacterium flavescens Wikipedia
    (Text) CC BY-SA


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