Phylum Firmicutes, Class Bacilli, Order Lactobacillales, Family Lactobacillaceae, Genus Lactobacillus, Lactobacillus
songhuajiangensis Gu, Li, Yang and Huo 2013.
Homotypic synonym: Lacticaseibacillus songhuajiangensis (Gu, Li, Yang and Huo 2013) Zheng et al. 2020.
Gram-positive rods, 0.8-1.0 x 2-4 µm, occurring singly, in pairs or in short chains.
Colonies are white, smooth, 1 mm in diameter after 2 days at 30 ºC on mMRS agar.
Can grow at 37 ºC, but not at 45 ºC. Grows at pH 4.0, but not at pH 11.0. Weak growth
in 5.0% NaCl media; no growth in 6.0% NaCl. Facultative anaerobic.
Isolated from traditional sourdough, China.
- Gu CT, Li CY, Yang LJ and Huo GC, 2013. Lactobacillus mudanjiangensis sp. nov., Lactobacillus songhuajiangensis sp. nov. and
Lactobacillus nenjiangensis sp. nov., isolated from traditional Chinese pickle and sourdough. Int J Syst Evol Microbiol 63, 4698-
- 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 CHL (bioMerieux) results.
Positive results for esculin hydrolysis, fermentation of cellobiose, D-fructose, galactose, D-glucose (without gas production), D-
lactose, maltose, mannose, N-acetylglucosamine, sucrose, trehalose, and D-tagatose.
Negative results for arginine deamination, catalase, fermentation of: arbutin, adonitol, amygdalin, D- and L-arabinose, D- and L-
arabitol, dulcitol, erythritol, esculin, D- and L-fucose, gentibiose, glycerol, glycogen, gluconate, 2- and 5-ketogluconate, inositol, inulin,
D-lyxose, mannitol, melezitose, melibiose, D-methyl alpha-D-mannopyranoside, methyl alpha-D-glucopyranoside, raffinose,
rhamnose, salicin, ribose, sorbitol, L-sorbose, starch, turanose, methyl beta-D-xylopyranoside, xylitol, D- and L-xylose.
(c) Costin Stoica