Lactobacillus ixorae
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Firmicutes, Class Bacilli, Order Lactobacillales, Family Lactobacillaceae, Genus Lactobacillus, Lactobacillus  ixorae Techo,
Miyashita, Shibate, Tanaka, Wisetkhan, Visessanguan and Tanasupawat, 2016.

Homotypic synonym:
Fructolactobacillus ixorae (Techo et al. 2019) Zheng et al. 2020.
Gram-positive straight rods, 0.3-0.4 x 0.6-2.5 µm, occurring singly or in pairs.
Non-motile. Non-spore-forming.
Colonies are low-convex, smooth, white, unpigmented, 0.12-0.14 mm in diameter
after 2 days of incubation at 30 ºC on MRS agar. Can grow at 15-40 ºC (30-37 ºC
optimum), pH 4.5-7.0, 1-7% NaCl. Facultative anaerobic.
Isolated from a flower (West-Indian jasmine), Thailand.
Undetermined.
  1. Techo S, Miyashita M, Shibata C, Tanaka N, Wisetkhan P, Visessanguan W and Tanasupawat S, 2016. Lactobacillus ixorae sp.
    nov., isolated from a flower. Int J Syst Evol Microbiol 66, 5500-5505.
  2. 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.
Heterofermentative.
Biochemical description is based mostly on API 50 CH (bioMerieux) results.

Positive results for fermentation of D-fructose, D-glucose (with gas production), gluconate (weak reaction), and D-mannitol.

Negative results for arginine dihydrolase, catalase, esculin hydrolysis, nitrate reduction, starch hydrolysis, fermentation of: adonitol,
amygdalin, arabinose, D- and L-arabitol, arbutin, cellobiose, dulcitol, erythritol, esculin, D- and L-fucose, glycerol, methyl
alpha-D-glucopyranoside, N-acetylglucosamine, galactose, gentibiose, glycogen, 5-ketogluconate, inositol, inulin, D-lactose,
D-lyxose, mannose, maltose, melezitose, melibiose, methyl alpha-D-mannopyranoside, raffinose, rhamnose, ribose, starch, salicin,
sorbitol, L-sorbose, sucrose, D-tagatose, turanose, trehalose, methyl beta-D-xylopyranoside, xylitol and xylose.
(c) Costin Stoica
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