1. Scheirlink I, Van der Meulen R, Van Schoor A, Huys G, Vandamme P, De Vuyst L and Vancanney M, 2007. Lactobacillus crustorum
    sp. nov., isolated from two traditional Belgian wheat sourdoughs. Int J Syst Evol Microbiol 57, 1461-1467.
  2. Fu ML and Gu CT, 2019. Lactobacillus zhachilii sp. nov., a lactic acid bacterium isolated from Zha-Chili. Int J Syst Evol Microbiol
    69, 2196-2201.
  3. 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.
Lactobacillus crustorum
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Firmicutes, Class Bacilli, Order Lactobacillales, Family Lactobacillaceae, Genus Lactobacillus, Lactobacillus crustorum
Scheirlink, Van der Meulen, Van Schoor, Huys, Vandamme, De Vuyst and Vancanney, 2007 .

Homotypic synonym:
Companilactobacillus crustorum (Scheirlink et al. 2007) Zheng et al. 2020.
Gram-positive rods, 0.5-1.0 x 2-15 µm, occurring singly or in pairs. Non-motile.
Non-spore-forming.
Colonies are beige, slightly rough, slightly irregular, 0.5-2.0 mm in diameter after 24 h
of aerobic incubation at 30 ºC on MRS5 agar containing cycloheximide 0.1 g/l. Grows
at 15-45 ºC, and NaCl 0-7%. Facultative anaerobic.
Isolated from an artisan wheat sourdough, Belgium.
Undetermined.
Homofermentative.
Description is based mostly on API 50 CHL
and API ZYM (bioMerieux) results.

Positive results for acid phosphatase, cystine arylamidase (weak reaction), esterase (C4), alpha- and beta-glucosidase, acid
production from esculin, D-fructose, galactose, glucose (without gas production), mannose, salicin, sucrose, and N-
acetylglucosamine.

Negative results for arginine dihydrolase, catalase, beta-glucuronidase, N-acetyl-beta-glucosaminidase, acid production from
adonitol, D- and L-arabitol, D- and L-arabinose, dulcitol, erythritol, D- and L-fucose, gluconate, 2- and 5-ketogluconate, glycogen,
glycerol, inositol, inulin, D-lyxose, mannitol, melezitose, melibiose, raffinose, ribose, L-sorbose, sorbitol, starch, turanose, methyl
alpha-D-glucopyranoside, methyl alpha-D-mannopyranoside, methyl alpha-D-xyloside, methyl beta-D-xylopyranoside, xylitol, D- and L-
xylose.

Variable results for acid production from amygdalin, arbutin, cellobiose, gentibiose, lactose, maltose, rhamnose, trehalose, and D-
tagatose.
(c) Costin Stoica
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