| Lactobacillus jensenii |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Bacillota (Firmicutes), Class Bacilli, Order Lactobacillales, Family Lactobacillaceae, Genus Lactobacillus, [Group B
lactobacilli (facultatively heterofermentative), Lactobacillus delbrueckii phylogenetic-group], Lactobacillus jensenii Gasser, Mandel
and Rogosa 1970.
lactobacilli (facultatively heterofermentative), Lactobacillus delbrueckii phylogenetic-group], Lactobacillus jensenii Gasser, Mandel
and Rogosa 1970.
Gram-positive rods, 0.6-0.8 x 2.0-4.0 µm, occurring singly, and in short chains.
Can grow at 45 ºC, but not at 15 ºC. Folic acid, vitamin B12, nicotinic acid, and calcium
pantothenate are required for growth.
pantothenate are required for growth.
Isolated from human vaginal discharge and blood clot.
Undetermined.
- Hammes W.P. and Hertel C., 2009. Genus I. Lactobacillus Beijerinck 1901. In: (Eds.) P.D. Vos, G. Garrity, D. Jones, N.R. Krieg, W.
Ludwig, F.A. Rainey, K.-H. Schleifer, W.B. Whitman. Bergey’s Manual of Systematic Bacteriology, Volume 3: The Firmicutes,
Springer, 465-511. - Rogosa M., 1974. Genus I. Lactobacillus Beijerinck 1901. In: (Eds.) Buchanan R.E. and Gibbons N.E., Bergey’s Manual of
Determinative Bacteriology, Eighth Edition , The Williams & Wilkins Company, Baltimore, 576-593. - Gasser F., Mandel M. and Rogosa M., 1970. Lactobacillus jensenii sp.nov., a new representative of the subgenus
Thermobacterium. J. Gen. Microb. 62, 219-222. - Tohno M, Tanizawa Y, Kojima Y, Sakamoto M, , Ohkuma M and Kobayashi H, 2021. Lactobacillus corticis sp. nov., isolated from
hardwood bark. Int J Syst Evol Microbiol 71: 004882 DOI: 10.1099/ijsem.0.0048827
Facultatively heterofermentative. Lactobacillus jensenii is hardly distinguishable from
Lactobacillus delbrueckii subsp. lactis by simple physiological tests.
Positive results for esterase (C4), esterase lipase (C8), fermentation of fructose, glucose (without gas production), maltose, ribose,
sucrose, turanose, and trehalose.
Negative results for alpha-chymotrypsin, cystine aminopeptidase, alpha- and beta-galactosidase, alpha-glucosidase, leucine
aminopeptidase, N-acetyl-beta-glucosaminidase, naphthol-AS-BI-phosphohydrolase, valine aminopeptidase, fermentation of
adonitol, arabinose, arbutin, gluconate, gentibiose, lactose, melibiose, methyl alpha-D-glucopyranoside, N-acetylglucosamine,
raffinose, rhamnose, sorbitol, sorbose, starch, and xylose.
Variable results for fermentation of amygdalin, cellobiose, esculin, galactose, mannitol, mannose, melezitose, and salicin.
Lactobacillus delbrueckii subsp. lactis by simple physiological tests.
Positive results for esterase (C4), esterase lipase (C8), fermentation of fructose, glucose (without gas production), maltose, ribose,
sucrose, turanose, and trehalose.
Negative results for alpha-chymotrypsin, cystine aminopeptidase, alpha- and beta-galactosidase, alpha-glucosidase, leucine
aminopeptidase, N-acetyl-beta-glucosaminidase, naphthol-AS-BI-phosphohydrolase, valine aminopeptidase, fermentation of
adonitol, arabinose, arbutin, gluconate, gentibiose, lactose, melibiose, methyl alpha-D-glucopyranoside, N-acetylglucosamine,
raffinose, rhamnose, sorbitol, sorbose, starch, and xylose.
Variable results for fermentation of amygdalin, cellobiose, esculin, galactose, mannitol, mannose, melezitose, and salicin.
(c) Costin Stoica
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