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.
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.
- 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.
- 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.
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