| Lactobacillus (Ligilactobacilus) ruminis |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Bacillota (Firmicutes), Class Bacilli, Order Lactobacillales, Family Lactobacillaceae, Genus Lactobacillus [Group A lactobacilli
(obligately homofermentative), Lactobacillus salivarius phylogenetic-group], Lactobacillus ruminis Sharpe, Latham, Garvie, Zirngibl
and Kandler 1973.
Homotypic synonym: Ligilactobacillus ruminis (Sharpe et al. 1973) Zheng et al. 2020.
(obligately homofermentative), Lactobacillus salivarius phylogenetic-group], Lactobacillus ruminis Sharpe, Latham, Garvie, Zirngibl
and Kandler 1973.
Homotypic synonym: Ligilactobacillus ruminis (Sharpe et al. 1973) Zheng et al. 2020.
Rods (0.6-0.8 x 3-5 μm) occurring singly, in pairs and in short chains. Strains isolated
from the rumen are motile by peritrichous flagella. Strains isolated from sewage are
rarely motile.
from the rumen are motile by peritrichous flagella. Strains isolated from sewage are
rarely motile.
Anaerobic. Surface growth is obtained only under reduced oxygen pressure; growth in
liquid media is improved by the addition of cysteine-HCl. No growth at 15 ºC. Strains
isolated from the rumen can grow at 45 ºC, but strains isolated from sewage not.
liquid media is improved by the addition of cysteine-HCl. No growth at 15 ºC. Strains
isolated from the rumen can grow at 45 ºC, but strains isolated from sewage not.
Isolated from rumen of cow, sewage and from the intestines of human, pig and cattle.
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. - Sharpe M.E., Latham M.J., Garvie E.I., Zirngibl J. and Kandler O., 1973. Two New Species of Lactobacillus Isolated from the Bovine
Rumen, Lactobacillus ruminis sp.nov. and Lactobacillus vitulinus sp.nov. J. Gen. Microb. 77, 37-49. - Zheng J, Wittouck S, Salvetti E, Franz MAP et al., 2020. A taxonomic note on the genus Lactobacillus: Description of 23 novel
genera, emended description of the genus Lactobacillus Beijerinck 1901, and union of Lactobacillaceae and Leuconostocaceae.
Int J Syst Microbiol. 70, 2782-2858.
Obligately homofermentative (hexoses are fermented almost exclusively to lactic acid by the Embden-Meyerhof pathway; pentoses or
gluconate are not fermented).
Positive results for fermentation of: amygdalin, cellobiose, esculin, fructose, galactose, glucose (without gas production), maltose,
mannose, melibiose, raffinose, salicin, and sucrose.
Negative results for arginine hydrolysis, fermentation of: arabinose, glycerol, inositol, inulin, mannitol, melezitose, rhamnose, ribose,
sorbitol, trehalose, and xylose.
Lactose fermentation is variable.
gluconate are not fermented).
Positive results for fermentation of: amygdalin, cellobiose, esculin, fructose, galactose, glucose (without gas production), maltose,
mannose, melibiose, raffinose, salicin, and sucrose.
Negative results for arginine hydrolysis, fermentation of: arabinose, glycerol, inositol, inulin, mannitol, melezitose, rhamnose, ribose,
sorbitol, trehalose, and xylose.
Lactose fermentation is variable.
(c) Costin Stoica
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