| Crenobacter luteus |
Colonies grown on an R2A agar plates for 2 days are yellowish and circular. Slightly
thermophilic, growing at 10-55 ºC (optimal growth at 40-50 ºC); no growth occurs at 5
ºC or 60 ºC. The pH range for growth is pH 6.0-10.0 (optimal growth at pH 8.0-9.0).
Growth occurs with 0-3% (w/v) NaCl (optimal growth with 0-1%) and no growth occurs
with 4.0% (w/v) NaCl.
Strictly aerobic.
thermophilic, growing at 10-55 ºC (optimal growth at 40-50 ºC); no growth occurs at 5
ºC or 60 ºC. The pH range for growth is pH 6.0-10.0 (optimal growth at pH 8.0-9.0).
Growth occurs with 0-3% (w/v) NaCl (optimal growth with 0-1%) and no growth occurs
with 4.0% (w/v) NaCl.
Strictly aerobic.
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Betaproteobacteria, Order Neisseriales, Family Neisseriaceae, Genus
Crenobacter, Crenobacter luteus Dong et al. 2015, type species of the genus.
Crenobacter, Crenobacter luteus Dong et al. 2015, type species of the genus.
Gram-negative short rods, 0.4-0.6 μm wide and 1.2-1.7 μm long. Motile.
Isolated from a sediment sample collected at Hehua hot spring, Tengchong, Yunnan province, south-west China.
Undetermined.
- Dong, L., Ming, H., Zhou, E.-M., Yin, Y.-R., Liu, L., Feng, H.-G., Xian, W.-D., Nie, G.-X. and Li, W.-J. 2015. Crenobacter luteus gen.
nov., sp. nov., isolated from a hot spring. Int. J. Syst. Evol. Microbiol., 65, 214-219. - Euzeby J.P., List of Prokaryotic names with Standing in Nomenclature, Genus Crenobacter, https://www.bacterio.net/crenobacter.
html, accessed 05.2017.
Description is based on API ZYM, API 20 NE, API 50 CH and Biolog test results.
Positive results for alkaline phosphatase, catalase, esterase C4 & C8, esterase lipase, naphthol-AS-BI-phosphohydrolase, indole
production, nitrate reduction, oxidase, acid production from: amygdalin, arbutin, erythritol, fructose, glucose, glycerol, 5-ketogluconate,
D-lyxose, maltose, ribose, sucrose, and D-tagatose.
Can utlize acetic acid, bromosuccinic acid, capric acid, dextrin, alpha-D-glucose, D-fructose 6-phospate, D-fructose, D-glucose
6-phospate, D-galacturonic acid, D-glucuronic acid, D-malic acid, maltose, trehalose, turanose, D-serine, L-arginine, L-aspartic acid,
L-galactonic acid lactone, L-glutamic acid, L-histidine, L-lactic acid, L-malic acid, L-serine, glucuronamide, maltose, methyl pyruvate,
pectin, propionic acid, and sucrose.
Negative results for arginine dihydrolase, casein hydrolysis, citrate utilization, cystine arylamidase, esculin hydrolysis,
alpha-fucosidase, N-acetyl-beta-glucosaminidase, lipase C14, gelatin hydrolysis, alpha- or beta-galactosidase, beta-glucuronidase,
alpha-glucosidase, leucine arylamidase, alpha-mannosidase, starch hydrolysis, trypsin, chymotrypsin, Tween 80 hydrolysis, urease
and valine arylamidase.
Positive results for alkaline phosphatase, catalase, esterase C4 & C8, esterase lipase, naphthol-AS-BI-phosphohydrolase, indole
production, nitrate reduction, oxidase, acid production from: amygdalin, arbutin, erythritol, fructose, glucose, glycerol, 5-ketogluconate,
D-lyxose, maltose, ribose, sucrose, and D-tagatose.
Can utlize acetic acid, bromosuccinic acid, capric acid, dextrin, alpha-D-glucose, D-fructose 6-phospate, D-fructose, D-glucose
6-phospate, D-galacturonic acid, D-glucuronic acid, D-malic acid, maltose, trehalose, turanose, D-serine, L-arginine, L-aspartic acid,
L-galactonic acid lactone, L-glutamic acid, L-histidine, L-lactic acid, L-malic acid, L-serine, glucuronamide, maltose, methyl pyruvate,
pectin, propionic acid, and sucrose.
Negative results for arginine dihydrolase, casein hydrolysis, citrate utilization, cystine arylamidase, esculin hydrolysis,
alpha-fucosidase, N-acetyl-beta-glucosaminidase, lipase C14, gelatin hydrolysis, alpha- or beta-galactosidase, beta-glucuronidase,
alpha-glucosidase, leucine arylamidase, alpha-mannosidase, starch hydrolysis, trypsin, chymotrypsin, Tween 80 hydrolysis, urease
and valine arylamidase.
(c) Costin Stoica
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