Lactobacillus kefiranofaciens

Species of bacterium

Lactobacillus kefiranofaciens is a species of slime-forming, homofermentative, rod-shaped lactic acid bacteria first isolated from kefir grains, hence its name. Its type strain is WT-2B. Its genome has been sequenced. Lactobaccillus kefiranofaciens was first identified in 1967 in Russia through studying kefir granules. Lactobaccillus kefiranofaciens is part of the lactobacillus genus and firmicutes phylum of bacteria. These bacterium metabolize carbohydrates and produce lactic acid, which can be useful in fermentation. Two subspecies have been identified as kefirgranum and kefiranofaciens, which share properties such as being gram-positive, facultatively anaerobic, and rod-shaped. L. kefiranofaciens is the subspecies related to kefir granules. Studies have investigated the origins and causes for variation in kefir composition and led to conflicting results. Some studies indicate the presence of L. kefiranofaciens was due to geographical location, while others indicate it was due to the different milks used.

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