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Leuconostoc
Scientific classification
Kingdom: Bacteria
Division: Firmicutes
Class: Bacilli
Order: Lactobacillales
Family: Leuconostocaceae
Genus: Leuconostoc
van Tieghem 1878
Species

L. carnosum
L. citreum
L. durionis
L. fallax
L. ficulneum
L. fructosum
L. garlicum
L. gasicomitatum
L. gelidum
L. inhae
L. kimchii
L. lactis
L. mesenteroides
L. pseudoficulneum
L. pseudomesenteroides

Leuconostoc[1] is a genus of Gram-positive bacteria, placed within the family of Leuconostocaceae. They are generally ovoid cocci often forming chains. Leuconostoc sp. are intrinsically resistant to vancomycin and are catalase-negative (which distinguishes them from staphylococci). All species within this genus are heterofermentative and are able to produce dextran from sucrose. They are generally slime-forming.

Blamed for causing the 'stink' when creating a sourdough starter, some species are also capable of causing human infection.[2] Because they are an uncommon cause of disease in humans, standard commercial identification kits are often unable to identify the organism[3].

Leuconostoc is, along with other lactic acid bacteria such as Pediococcus and Lactobacillus responsible for the fermentation of cabbage, making it Sauerkraut. In this process the sugars in fresh cabbage are transformed to lactic acids which give it a sour flavour and good keeping qualities.

See also

References

  1. ^ 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. [1]
  2. ^ Vagiakou-Voudris E, Mylona-Petropoulou D, Kalogeropoulou E, Chantzis A, Chini S, Tsiodra P, Malamou-Lada E (2002). Scand J Infect Dis. 34. pp. 766–7. PMID 12477331.  
  3. ^ Kulwichit W, Nilgate S, Chatsuwan T, et al. (2007). "Accuracies of Leuconostoc phenotypic identification: a comparison of API systems and conventional phenotypic assays". BMC Infectious Diseases 7: 69. doi:10.1186/1471-2334-7-69.  

External links

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Wikispecies

Up to date as of January 23, 2010

From Wikispecies

Taxonavigation

Main Page
Superregnum: Bacteria
Regnum: Bacteria
Phylum: Firmicutes
Classis: Bacilli
Ordo: Lactobacillales
Familia: Leuconostocaceae
Genus: Leuconostoc
Species: L. carnosum - L. citreum - L. durionis - L. fallax - L. ficulneum - L. fructosum - L. gasicomitatum - L. gelidum - L. inhae - L. kimchii - L. lactis - L. mesenteroides - L. pseudoficulneum - L. pseudomesenteroides

Name

Leuconostoc van Tieghem, 1878

Type species: L. mesenteroides (Tsenkovskii, 1878) van Tieghem, 1878

Reference

  • List of Prokaryotic Names [1]
  • V.B.D. Skerman, V. McGowan and P.H.A. Sneath (editors): Approved Lists of Bacterial Names. International Journal of Systematic Bacteriology 30: 225-420
  • 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. [2]

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