| Enterobacter oligotrophicus |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Proteobacteria, Class Gammaproteobacteria, Order Enterobacteriales, Family Enterobacteriaceae, Genus Enterobacter,
Enterobacter oligotrophicus corrig. Akita et al. 2020.
Synonym: Enterobacter oligotrophica Akita et al. 2020.
Enterobacter oligotrophicus corrig. Akita et al. 2020.
Synonym: Enterobacter oligotrophica Akita et al. 2020.
Gram-negative rods. Motile. Non‐spore-forming.
Colonies grown on Nutrient Agar are circular, smooth, glistening, light yellow, and 5.0
mm in diameter after incubation overnight at 37 ºC. Growth can occur between 10 to
45 ºC, not at 4 or 50 ºC. It can tolerate up to 6% NaCl. Grows well at pH 4.5-10.0,
weaker at pH below 4.0 or above 10.5. Facultatively anaerobic. Growth is observed in
poor-nutrient medium, and growth is unaffected by high-nutrient medium.
mm in diameter after incubation overnight at 37 ºC. Growth can occur between 10 to
45 ºC, not at 4 or 50 ºC. It can tolerate up to 6% NaCl. Grows well at pH 4.5-10.0,
weaker at pH below 4.0 or above 10.5. Facultatively anaerobic. Growth is observed in
poor-nutrient medium, and growth is unaffected by high-nutrient medium.
Isolated from leaf soil collected in Japan. Resistant to ampicillin, but sensible to chloramphenicol and kanamycin.
Undetermined.
- Akita H, Matsushika A, Kimura ZI. Enterobacter oligotrophica sp. nov., a novel oligotroph isolated from leaf soil. Microbiologyopen
2019; 8:e00843.
Positive results for acid phosphatase, arginine dihydrolase, ornithine decarboxylase, lysine decarboxylase, esculin hydrolysis, N‐
acetyl‐beta‐D‐glucosaminidase, alkaline phosphatase, cystine aminopeptidase, esterase lipase (C8), alpha‐ and beta‐
galactosidase, alpha‐ and beta‐glucosidase, leucine aminopeptidase, alpha‐mannosidase, naphthol AS‐BI phosphate, trypsin,
Voges-Proskauer test, and valine aminopeptidase.
Can utilize as a carbon source inulin, amygdalin, arbutin, esculin ferric citrate, 2‐nitrophenyl beta‐D‐galactopyranoside, D‐cellobiose,
D‐trehalose, D‐maltose, D‐lactose, D‐galactose, D‐glucose, L‐sorbose, D‐fructose, D‐mannose, L‐rhamnose, dulcitol, D‐sorbitol, D‐
mannitol, N‐acetyl‐glucosamine, methyl‐beta‐D‐xylopyranoside, D‐arabinose, L‐arabinose, D‐ and L‐xylose, L‐fucose, D‐lyxose, D‐
ribose, adonitol, erythritol, glycerol, L‐arginine, L-lysine, L‐ornithine, L‐tryptophane, 2‐ketogluconate, citrate, gluconate, pyruvate, and
urea.
Negative results for alpha‐chymotrypsin, esterase (C4), alpha‐fucosidase, beta‐glucuronidase, and lipase (C14).
No utilization of glycogen, gelatin, starch, salicin, D‐melezitose, D‐raffinose, gentibiose, D‐sucrose, D‐melibiose, D‐turanose, D‐
tagatose, inositol, methyl‐alpha‐D‐glucopyranoside, methyl‐alpha‐D‐mannopyranoside, D‐fucose, D‐ and L‐arabitol, xylitol, 5‐
ketogluconate, and thiosulfate.
acetyl‐beta‐D‐glucosaminidase, alkaline phosphatase, cystine aminopeptidase, esterase lipase (C8), alpha‐ and beta‐
galactosidase, alpha‐ and beta‐glucosidase, leucine aminopeptidase, alpha‐mannosidase, naphthol AS‐BI phosphate, trypsin,
Voges-Proskauer test, and valine aminopeptidase.
Can utilize as a carbon source inulin, amygdalin, arbutin, esculin ferric citrate, 2‐nitrophenyl beta‐D‐galactopyranoside, D‐cellobiose,
D‐trehalose, D‐maltose, D‐lactose, D‐galactose, D‐glucose, L‐sorbose, D‐fructose, D‐mannose, L‐rhamnose, dulcitol, D‐sorbitol, D‐
mannitol, N‐acetyl‐glucosamine, methyl‐beta‐D‐xylopyranoside, D‐arabinose, L‐arabinose, D‐ and L‐xylose, L‐fucose, D‐lyxose, D‐
ribose, adonitol, erythritol, glycerol, L‐arginine, L-lysine, L‐ornithine, L‐tryptophane, 2‐ketogluconate, citrate, gluconate, pyruvate, and
urea.
Negative results for alpha‐chymotrypsin, esterase (C4), alpha‐fucosidase, beta‐glucuronidase, and lipase (C14).
No utilization of glycogen, gelatin, starch, salicin, D‐melezitose, D‐raffinose, gentibiose, D‐sucrose, D‐melibiose, D‐turanose, D‐
tagatose, inositol, methyl‐alpha‐D‐glucopyranoside, methyl‐alpha‐D‐mannopyranoside, D‐fucose, D‐ and L‐arabitol, xylitol, 5‐
ketogluconate, and thiosulfate.
(c) Costin Stoica
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