Rahul Sharma (Editor)

Mycobacterium psychrotolerans

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Kingdom
  
Bacteria

Order
  
Actinomycetales

Family
  
Mycobacteriaceae

Rank
  
Species

Phylum
  
Actinobacteria

Suborder
  
Corynebacterineae

Genus
  
Mycobacterium

Scientific name
  
Mycobacterium psychrotolerans

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Mycobacterium psychrotolerans is a rapidly growing mycobacterium first isolated from pond water near a uranium mine in Spain. It was able to grow at 4C and is therefore considered to be psychrotolerant. Etymology: psychros cold; tolerans tolerating; psychrotolerans cold-tolerating).

Contents

Description

Microscopy

  • Gram-positive, acid-fast, non-spore-forming, non-motile short rods.

    • Colony characteristics

  • Smooth, entire, bright orange, scotochromogenic colonies appear after 2 days in GYEA, Bennett’s and nutrient agars.

    • Physiology

  • Growth on Lowenstein–Jensen agar is moderate.
  • No growth occurs on MacConkey agar.
  • Grows at 4–37C and tolerates 7% NaCl.
  • The type strain is resistant to ampicillin, cefuroxime, cloxacillin, erythromycin, penicillin and polymyxin. Sensitive to ciprofloxacin, gentamicin, neomycin and oxytetracycline.

    • Differential characteristics

  • Growth at 4C.

    • Pathogenesis

  • First isolated from an environmental source, not known to be pathogenic.

    • Type strain

  • The type strain was isolated from a pond in Salamanca, Spain.
  • Strain WA101 = DSM 44697 = JCM 13323 = LMG 21953

    • References

    Mycobacterium psychrotolerans Wikipedia
    (Text) CC BY-SA


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