| Lentilactobacillus laojiaonis |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Bacillota (Firmicutes), Class Bacilli, Order Lactobacillales, Family Lactobacillaceae, Genus Lentilactobacillus,
Lentilactobacillus laojiaonis Zhao, Yang, Bao, Wang, Miao, Wang, Shen and Li 2022.
Lentilactobacillus laojiaonis Zhao, Yang, Bao, Wang, Miao, Wang, Shen and Li 2022.
Gram-positive rods (0.5-0.8 x 1.0-3.0 µm) that occur as single cells, in pairs, or in short
chains. Nonmotile. Nonspore-forming.
chains. Nonmotile. Nonspore-forming.
Colonies are white, smooth, convex, 0.5-2.0 mm in diameter after 48 h of incubation
on modified MRS agar at 37 ºC under microaerobic conditions. Can grow at 15-45
ºC, optimally at 37 ºC. Range of pH 4.5-8.5, optimum pH 7.0. Can grow in 0-6% NaCl.
Facultatively anaerobic.
on modified MRS agar at 37 ºC under microaerobic conditions. Can grow at 15-45
ºC, optimally at 37 ºC. Range of pH 4.5-8.5, optimum pH 7.0. Can grow in 0-6% NaCl.
Facultatively anaerobic.
Isolated from a mud cellar (pit mud) which has been continuously used over hundred of years for the fermentative production of
Chinese strong-flavour baijiu.
Chinese strong-flavour baijiu.
Undetermined.
- Zhao Q, Yang S, Bao G, Wang W, Miao L, Wang S, Shen C and Li Y, 2022. Lentilactobacillus laojiaonis sp. nov., isolated from the
mud in a fermentation cellar for the production of Chinese liquor. Int J Syst Evol Microbiol 72; 005349. DOI: 10.1099/ijsem.
0.005349.
Heterofermentative.
Description is based mostly on API 50 CHL , API ZYM and API 20A (bioMerieux) results.
Positive results for acid and alkaline phosphatase, cystine arylamidase, esterase (C4), esterase lipase (C8), gelatin hydrolysis,
leucine arylamidase, naphtol-AS-BI-phosphohydrolase, trypsin, valine arylamidase, fermentation of L-arabinose, D-fructose, glucose
(acid without gas production), gluconate (acid without gas production), mannose, melibiose, methyl alpha-D-glucopyranoside,
N-acetylglucosamine, raffinose, ribose, methyl beta-D-xylopyranoside, and D-xylose.
Negative results for catalase, hippurate hydrolysis, indole production, pyruvate utilization, urease, fermentation of adonitol, amygdalin,
arbutin, D-arabinose, D- and L-arabitol, cellobiose, dulcitol, erythritol, aesculin, L- and D-fucose, galactose, gentiobiose, 2- and
5-ketogluconate, glycerol, glycogen, inositol, inulin, lactose, D-lyxose, maltose, mannitol, melezitose, methyl
alpha-D-mannopyranoside, methyl alpha, D-xyloside, rhamnose, salicin, sorbitol, L-sorbose, starch, sucrose, D-tagatose, trehalose,
turanose, xylitol, and L-xylose.
Description is based mostly on API 50 CHL , API ZYM and API 20A (bioMerieux) results.
Positive results for acid and alkaline phosphatase, cystine arylamidase, esterase (C4), esterase lipase (C8), gelatin hydrolysis,
leucine arylamidase, naphtol-AS-BI-phosphohydrolase, trypsin, valine arylamidase, fermentation of L-arabinose, D-fructose, glucose
(acid without gas production), gluconate (acid without gas production), mannose, melibiose, methyl alpha-D-glucopyranoside,
N-acetylglucosamine, raffinose, ribose, methyl beta-D-xylopyranoside, and D-xylose.
Negative results for catalase, hippurate hydrolysis, indole production, pyruvate utilization, urease, fermentation of adonitol, amygdalin,
arbutin, D-arabinose, D- and L-arabitol, cellobiose, dulcitol, erythritol, aesculin, L- and D-fucose, galactose, gentiobiose, 2- and
5-ketogluconate, glycerol, glycogen, inositol, inulin, lactose, D-lyxose, maltose, mannitol, melezitose, methyl
alpha-D-mannopyranoside, methyl alpha, D-xyloside, rhamnose, salicin, sorbitol, L-sorbose, starch, sucrose, D-tagatose, trehalose,
turanose, xylitol, and L-xylose.
(c) Costin Stoica
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