Lactobacillus diolivorans

Genus/species: Lactobacillus diolivorans

Gram Stain: Positive

Morphology

  • Cell: rod-shaped
  • Colony:
  • Liquid Growth:


Physiology Traits: Converts 1,2-propanediol → 1-propanol + propionic acid; Obligately heterofermentative

Ecological Traits: Naturally found on grapes

Distinguishing Features: 


Role in wine: Agent of wine spoilage

Sensitivities:

  • SO2: Sensitive
  • Sorbate: Sensitive
  • DMDC: Resistant
  • pH: Sensitive (<3.5)
  • Acids: Resistant
  • Ethanol: Sensitive
  • Anaerobiosis: Resistant
  • Heat: Sensitive


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