| Lactobacillus (Liquorilactobacillus) hordei |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Firmicutes, Class Bacilli, Order Lactobacillales, Family Lactobacillaceae, Genus Lactobacillus, [Group A lactobacilli
(homofermentative)], Lactobacillus hordei Rouse, Canchaya and van Sinderen 2008.
Homotypic synonym: Liquorilactobacillus hordei (Rouse et al. 2008) Zheng et al. 2020.
(homofermentative)], Lactobacillus hordei Rouse, Canchaya and van Sinderen 2008.
Homotypic synonym: Liquorilactobacillus hordei (Rouse et al. 2008) Zheng et al. 2020.
Gram-positive rods (0.5-0.8 x 1.0 μm) occurring singly, in pairs and in short chains.
Nonmotile.
Nonmotile.
Colonies on MRS agar are white, smooth and of 0.75-1 mm in diameter after 3 days
at 30 ºC. No growth at 15 or 45 ºC. Optimum growth temperature 30 ºC, range 21-42
ºC. pH 4.0-8.0. No growth in 5% NaCl. Facultatively anaerobic.
at 30 ºC. No growth at 15 or 45 ºC. Optimum growth temperature 30 ºC, range 21-42
ºC. pH 4.0-8.0. No growth in 5% NaCl. Facultatively anaerobic.
Isolated from malted barley.
Produce bacteriocin. Sensitive to ampicillin, penicillin G, amoxicillin, trimethoprim, chloramphenicol, oxacillin, novobiocin,
gentamicin, tetracycline and ciprofloxacin. Resistant to metronidazole, cephradine, nalidixic acid and ceftizoxime.
Produce bacteriocin. Sensitive to ampicillin, penicillin G, amoxicillin, trimethoprim, chloramphenicol, oxacillin, novobiocin,
gentamicin, tetracycline and ciprofloxacin. Resistant to metronidazole, cephradine, nalidixic acid and ceftizoxime.
Undetermined.
- Rouse S., Canchaya C. and van Sinderen D., 2008. Lactobacillus hordei sp. nov., a bacteriocinogenic strain isolated from malted
barley. IJSEM 58, 2013-2017. - 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.
Homofermentative.
Positive results for aesculin hydrolysis, fermentation of: amygdalin, arbutin, cellobiose, fructose, beta-gentiobiose, glucose (without
gas production), maltose, mannitol, mannose, salicin, and sucrose.
Negative results for catalase, fermentation of: N-acetylglucosamine, adonitol, arabinose, arabitol, dulcitol, erythritol, fucose,
galactose, gluconate, 2-ketogluconate, 5-ketogluconate, glycerol, glycogen, inositol, inulin, lactose, melezitose, melibiose, raffinose,
rhamnose, ribose, sorbitol, sorbose, starch, tagatose, trehalose, turanose, xylose, and xylitol.
Positive results for aesculin hydrolysis, fermentation of: amygdalin, arbutin, cellobiose, fructose, beta-gentiobiose, glucose (without
gas production), maltose, mannitol, mannose, salicin, and sucrose.
Negative results for catalase, fermentation of: N-acetylglucosamine, adonitol, arabinose, arabitol, dulcitol, erythritol, fucose,
galactose, gluconate, 2-ketogluconate, 5-ketogluconate, glycerol, glycogen, inositol, inulin, lactose, melezitose, melibiose, raffinose,
rhamnose, ribose, sorbitol, sorbose, starch, tagatose, trehalose, turanose, xylose, and xylitol.
(c) Costin Stoica
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