| Limnobaculum parvum |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Proteobacteria, Class Gammaproteobacteria, Order Enterobacterales, Family Enterobacteriaceae, Genus Limnobaculum,
Limnobaculum parvum Baek et al. 2019.
Species description is based on a single isolate.
Limnobaculum parvum Baek et al. 2019.
Species description is based on a single isolate.
Gram-negative, rods, 0.63-0.70 x 2.40–2.55 µm. Non-motile (non-flagellated).
Colonies are pale white, convex, translucent and circular with an entire margin on
R2A agar. Do not produce diffusible pigments. Grow at 4-30 ºC (optimum 25 ºC), at
pH 5.0-11.5 (optimum pH 7.5), and in 0-2% (w/v) NaCl (optimum 0%). Grow on R2A
agar, Luria-Bertani agar, nutrient agar, tryptic soy agar and MacConkey agar.
Facultatively anaerobic.
R2A agar. Do not produce diffusible pigments. Grow at 4-30 ºC (optimum 25 ºC), at
pH 5.0-11.5 (optimum pH 7.5), and in 0-2% (w/v) NaCl (optimum 0%). Grow on R2A
agar, Luria-Bertani agar, nutrient agar, tryptic soy agar and MacConkey agar.
Facultatively anaerobic.
Isolated from a freshwater lake in Korea.
Undetermined.
- Baek C, Shin SK, Yi H. Limnobaculum parvum gen. nov., sp. nov., isolated from a freshwater lake. Int J Syst Evol Microbiol 2019;
69:1826-1830.
Positive results for acetoin production, catalase, nitrate reduction, acid production from L-arabinose, D-glucose, D-mannitol,
D-mannose, and L-rhamnose.
Negative results for acid and alkaline phosphatase, arginine dihydrolase, casein hydrolysis, cellulose hydrolysis, cystine arylamidase,
DNase, esculin hydrolysis, esterase (C4), esterase lipase (C8), alpha-fucosidase, gelatin hydrolysis, alpha- and beta-galactosidase,
beta-glucuronidase, alpha- and beta-glucosidase, N-acetyl-beta-glucosaminidase, indole production, H2S production, lysine
decarboxylase, lipase (C14), leucine arylamidase, alpha-mannosidase, naphthol-AS-BI-phosphohydrolase, ornithine decarboxylase,
oxidase, starch hydrolysis, Tweens 20, 40, 60 or 80 hydrolysis, tryptophan deaminase, trypsin, alpha-chymotrypsin, L-tyrosine
hydrolysis, CM-adenine hydrolysis, urease, valine arylamidase, xanthine hydrolysis, hypoxanthine hydrolysis, acid production from
amygdalin, melibiose, inositol, D-sorbitol, and sucrose.
No utilization as sole carbon source of 4-nitrophenyl-beta-D-galactopyranoside, D-mannose, N-acetyl-glucosamine, maltose,
potassium gluconate, capric acid, adipic acid, malic acid, trisodium citrate or phenylacetic acid.
D-mannose, and L-rhamnose.
Negative results for acid and alkaline phosphatase, arginine dihydrolase, casein hydrolysis, cellulose hydrolysis, cystine arylamidase,
DNase, esculin hydrolysis, esterase (C4), esterase lipase (C8), alpha-fucosidase, gelatin hydrolysis, alpha- and beta-galactosidase,
beta-glucuronidase, alpha- and beta-glucosidase, N-acetyl-beta-glucosaminidase, indole production, H2S production, lysine
decarboxylase, lipase (C14), leucine arylamidase, alpha-mannosidase, naphthol-AS-BI-phosphohydrolase, ornithine decarboxylase,
oxidase, starch hydrolysis, Tweens 20, 40, 60 or 80 hydrolysis, tryptophan deaminase, trypsin, alpha-chymotrypsin, L-tyrosine
hydrolysis, CM-adenine hydrolysis, urease, valine arylamidase, xanthine hydrolysis, hypoxanthine hydrolysis, acid production from
amygdalin, melibiose, inositol, D-sorbitol, and sucrose.
No utilization as sole carbon source of 4-nitrophenyl-beta-D-galactopyranoside, D-mannose, N-acetyl-glucosamine, maltose,
potassium gluconate, capric acid, adipic acid, malic acid, trisodium citrate or phenylacetic acid.
(c) Costin Stoica
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