Leuconostoc lactis

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Gram stain Culture

General information
- Taxonomy
  Family: Leuconostocaceae
  
  Natural habitats
  They can be isolated from plants, occasionally from milk and milk products.
  
  Clinical significance
  They can be isolated from the female genital tract, and the gastrointestinal tract.
  
  Infectious for humans that have surgery, antibiotic therapy, or have impared immunological systems.
Gram stain
- Gram positive coccus
  
  0.5-0.7 x 0.7-1.2 µm
  
  occuring in pairs and chains.
  
  Sometimes short rods with rounded ends in long chains.
Culture characteristics
- Facultatief anaeroob
  
  BA: they produce small, gray-whitish, alpha hemolytic or nonhemolytic colonies on blood agar.
  
  Colony morphology resembles a Streptococcus.
  
  BBAØ: growth
Characteristics
References
- James Versalovic et al.(2011) Manual of Clinical Microbiology 10th Edition