|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)|
Garrity et al. 2001
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 nonspore-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. Lactic acid is the main end product of their characteristic heterofermentative carbohydrate metabolism. The phylogeny of the family Leuconostocaceae has recently been evaluated.
- Björkroth, J., and W. Holzapfel. 2006. Genera Leuconostoc, Oenococcus and Weissella, p.267 -319. In M. Dworkin (ed.), The prokaryotes: a handbook on the biology of bacteria: Firmicutes, Cyanobacteria, vol. 4, 3rd ed. Springer-Verlag, New York, NY. 
- Chelo IM, Ze-Ze L, Tenreiro R. Congruence of evolutionary relationships inside the Leuconostoc-Oenococcus-Weissella clade assessed by phylogenetic analysis of the 16S rRNA gene, dnaA, gyrB, rpoC and dnaK. Int J Syst Evol Microbiol. 2007 February;57(Pt 2):276-86. PMID 17267964
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