Leuconostocaceae

The Leuconostocaceae are a family of Gram-positive bacteria, placed within the order of Lactobacillales. Representative genera include Fructobacillus, Leuconostoc, Oenococcus, and Weissella. Bacteria that belong to these three genera are non-spore-forming, round or elongated in shape, and anaerobic or aerotolerant. They usually inhabit nutrient-rich environments such as milk, meat, vegetable products, and fermented drinks.[1] Lactic acid is the main end product of their characteristic heterofermentative carbohydrate metabolism. The phylogeny of the family Leuconostocaceae has recently been evaluated.[2]

Leuconostocaceae
Lesions of Weissella confusa in the mona monkey (hematoxylin and eosin stain): A) liver: portal triads with neutrophilic infiltration (x10); A1, presence of bacterial emboli inside the vein (arrow) (x40). B) acute pneumonia: edema, congestion, and leukocyte cells exudation in the pulmonary alveoli (x10). C) encephalitis: congestion and marginalized neutrophils in nervous vessels (x10)
Scientific classification
Kingdom:
Bacteria
Division:
Firmicutes
Class:
Bacilli
Order:
Lactobacillales
Family:
Leuconostocaceae

Garrity et al. 2001
Genera

Convivina
Fructobacillus
Leuconostoc
Oenococcus
Weissella

References
  1. Björkroth, Johanna; Holzapfel, Wilhelm (2006). "Genera Leuconostoc, Oenococcus and Weissella". The Prokaryotes. pp. 267–319. doi:10.1007/0-387-30744-3_9. ISBN 978-0-387-25494-4.
  2. Chelo, Ivo M.; Zé-Zé, Líbia; Tenreiro, Rogério (2007). "Congruence of evolutionary relationships inside the Leuconostoc-Oenococcus-Weissella clade assessed by phylogenetic analysis of the 16S rRNA gene, dnaA, gyrB, rpoC and dnaK". International Journal of Systematic and Evolutionary Microbiology. 57 (2): 276–86. doi:10.1099/ijs.0.64468-0. PMID 17267964.


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