Lactobacillus kaifaensis
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Firmicutes, Class Bacilli, Order Lactobacillales, Family Lactobacillaceae, Genus Lactobacillus, Lactobacillus kaifaensis Liu
and Gu 2019
.

Homotypic synonym: Paucilactobacillus kaifaensis (Liu and Gu 2019) Zheng et al. 2020.
Gram-positive rods, 0.4-0.6 x1.0-1.2 µm, occurring singly or in pairs. Non-motile.
Non-spore-forming.
Colonies are beige, convex, smooth with entire margins, 0.5 mm in diameter after 3
days at 30 ºC on mMRS agar. Can grow at 37 ºC (30 ºC optimum); no growth at 45 ºC.
Grows at pH 5.0, but not at pH 11.0. Grows
weakly in 6.0% NaCl media; not in 6.5%
NaCl. Facultative anaerobic.
Isolated from traditional pickle, China. Tellurite tolerant .
Undetermined.
  1. Liu DD and Gu CT, 2019. Lactobacillus pingfangensis sp. nov., Lactobacillus daoliensis sp. nov., Lactobacillus nangensis sp.
    nov., Lactobacillus daowaiensis sp. nov., Lactobacillus dongliensis sp. nov., Lactobacillus songbeiensis sp. nov. and
    Lactobacillus kaifaensis sp. nov., isolated from traditional Chinese pickle. Int J Syst Evol Microbiol 69, 3237-3247.
  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.
Biochemical description is based mostly on API 50 CH (bioMerieux) results.

Positive results for esculin hydrolysis, fermentation of D-arabitol, D-glucose (with gas production), gluconate (without gas production),
maltose, ribose, and D-xylose.

Negative results for arginine deamination, catalase, hippurate hydrolysis, H
2S production, nitrate and nitrite reduction, indole
production, pyrrolidonyl arylamidase, pyruvate utilisation, urease, Voges-Proskauer test, fermentation of: adonitol, amygdalin, arbutin,
D- and L-arabinose, L-arabitol, cellobiose, dulcitol, erythritol, esculin, D- and L-fucose, D-fructose, galactose, gentibiose, glycerol,
glycogen, 2- and 5-ketogluconate, inositol, inulin, D-lactose, D-lyxose, D-mannitol, mannose, melezitose, melibiose, methyl alpha-D-
mannopyranoside, methyl alpha-D-glucopyranoside, N-acetylglucosamine, raffinose, rhamnose, salicin, starch, sorbitol, L-sorbose,
sucrose, D-tagatose, trehalose, turanose, methyl beta-D-xylopyranoside, xylitol, and L-xylose.
(c) Costin Stoica
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