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
References: