- Long GY and Gu CT, 2019. Lactobacillus jixianensis sp. nov., Lactobacillus baoqingensis sp. nov., Lactobacillus jiayinensis sp.
nov., Lactobacillus zhaoyuanensis sp. nov., Lactobacillus lindianensis sp. nov., Lactobacillus huananensis sp. nov., Lactobacillus
tangyuanensis sp. nov., Lactobacillus fuyuanensis sp. nov., Lactobacillus tongjiangensis sp. nov., Lactobacillus fujinensis sp. nov.
and Lactobacillus mulengensis sp. nov., isolated from Chinese traditional pickle. Int J Syst Evol Microbiol 69, 2340-2353. - 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 (Levilactobacillus) tangyuanensis |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Firmicutes, Class Bacilli, Order Lactobacillales, Family Lactobacillaceae, Genus Lactobacillus, Lactobacillus tangyuanensis
Long and Gu 2019.
Homotypic synonym: Levilactobacillus tangyuanensis (Long and Gu 2019) Zheng et al. 2020.
Long and Gu 2019.
Homotypic synonym: Levilactobacillus tangyuanensis (Long and Gu 2019) Zheng et al. 2020.
Gram-positive rods, 0.5-1 / 1-8 µm, occurring singly. Non-motile. Non-spore-forming.
Colonies are white or beige, convex, smooth with entire edges, 0.5 mm in diameter
after 2 days at 30 ºC on mMRS agar. Facultative anaerobe. Grows at temperature
range 15-33 ºC (optimally at 30 ºC). Variable growwth at 37 ºC. Can grow at pH
5.0-9.0. Can grow in 5% NaCl media, but variable growth in 6.0% NaCl media.
after 2 days at 30 ºC on mMRS agar. Facultative anaerobe. Grows at temperature
range 15-33 ºC (optimally at 30 ºC). Variable growwth at 37 ºC. Can grow at pH
5.0-9.0. Can grow in 5% NaCl media, but variable growth in 6.0% NaCl media.
Isolated from traditional pickle, China. Tellurite tolerant.
Undetermined.
Description is based mostly on API 50 CHL (bioMerieux) results (48 h / 30 ºC).
Positive results for hippurate hydrolysis, esculin hydrolysis, acid production from galactose, glucose (with gas production), gluconate
(without gas production), maltose, ribose, and D-xylose.
Negative results for arginine deamination, catalase, H2S production, indole production, nitrate reduction, nitrite reduction, pyruvate
utilisation, urease, Voges-Proskauer test, acid production from adonitol, amygdalin, arbutin, D- and L-arabinose, D- and L-arabitol,
cellobiose, dulcitol, erythritol, esculin, D- and L-fucose, gentiobiose, 2- and 5-ketogluconate, glycerol, glycogen, inositol, inulin,
lactose, D-lyxose, mannitol, mannose, melezitose, melibiose, methyl alpha-D-glucopyranoside, methyl alpha-D-mannopyranoside,
methyl alpha-D-xyloside, raffinose, rhamnose, salicin, sorbitol, L-sorbose, starch, sucrose, D-tagatose, trehalose, turanose, methyl
beta-D-xylopyranoside, xylitol, and L-xylose.
Variable results for D-fructose and N-acetylglucosamine fermentation.
Positive results for hippurate hydrolysis, esculin hydrolysis, acid production from galactose, glucose (with gas production), gluconate
(without gas production), maltose, ribose, and D-xylose.
Negative results for arginine deamination, catalase, H2S production, indole production, nitrate reduction, nitrite reduction, pyruvate
utilisation, urease, Voges-Proskauer test, acid production from adonitol, amygdalin, arbutin, D- and L-arabinose, D- and L-arabitol,
cellobiose, dulcitol, erythritol, esculin, D- and L-fucose, gentiobiose, 2- and 5-ketogluconate, glycerol, glycogen, inositol, inulin,
lactose, D-lyxose, mannitol, mannose, melezitose, melibiose, methyl alpha-D-glucopyranoside, methyl alpha-D-mannopyranoside,
methyl alpha-D-xyloside, raffinose, rhamnose, salicin, sorbitol, L-sorbose, starch, sucrose, D-tagatose, trehalose, turanose, methyl
beta-D-xylopyranoside, xylitol, and L-xylose.
Variable results for D-fructose and N-acetylglucosamine fermentation.
(c) Costin Stoica
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