| Enterobacter asburiae |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Enterobacteriales, Family Enterobacteriaceae,
Genus Enterobacter, Enterobacter asburiae Brenner et al. 1988.
Old synonym: "Enteric Group 17". According to Sutton et al. (2018) Enterobacter muelleri Kampfer et al. 2015 is a later heterotypic
synonym of Enterobacter asburiae Brenner et al. 1988.
Genus Enterobacter, Enterobacter asburiae Brenner et al. 1988.
Old synonym: "Enteric Group 17". According to Sutton et al. (2018) Enterobacter muelleri Kampfer et al. 2015 is a later heterotypic
synonym of Enterobacter asburiae Brenner et al. 1988.
Gram-negative rods, 1 x 2 µm. Non-motile.
Colonies on nutritive agar are round, 2-3 mm in diameter, and slightly iridescent or
flat with irregular edges, nonpigmented. Facultatively anaerobic. Incubation
temperature 8-45 ºC, optimum 30-37 ºC. Grows on simple media and on selective
media for Enterobacteriaceae.
flat with irregular edges, nonpigmented. Facultatively anaerobic. Incubation
temperature 8-45 ºC, optimum 30-37 ºC. Grows on simple media and on selective
media for Enterobacteriaceae.
Isolated from human clinical specimens (urine, blood, stool, sputum, ulcer exudate, lochia exudate, wounds).
Enterobacter muelleri strain was isolated from the corn rhizosphere (Zea mays).
Susceptible to gentamicin and sulfadiazine. Resistant to ampicillin, cephalothin, and penicillin.
Enterobacter muelleri strain was isolated from the corn rhizosphere (Zea mays).
Susceptible to gentamicin and sulfadiazine. Resistant to ampicillin, cephalothin, and penicillin.
Undetermined.
- J. G. Holt et al., 1994. Facultatively Anaerobic Gram-Negative Rods. Subgroup 1. Family Enterobacteriaceae. In: Begey’s Manual of
Determinative Bacteriology, 9th-edition, Williams & Wilkins, pp 175-189. - Don J. Brenner and J.J. Farmer III, 2001. Family I. Enterobacteriaceae. In: Bergey’s Manual of Systematic Bacteriology, Second
edition, Vol two, part B, George M. Garrity (Editor-in-Chief), pp 587-897. - Brenner DJ, McWhorter AC, Kai A, Steigerwalt AG, Farmer JJ. Enterobacter asburiae sp. nov., a new species found in clinical
specimens, and reassignment of Erwinia dissolvens and Erwinia nimipressuralis to the genus Enterobacter as Enterobacter
dissolvens comb. nov. and Enterobacter nimipressuralis comb. nov. J Clin Microbiol 1986; 23:1114-1120. - Doijad S, Imirzalioglu C, Yao Y, Pati NB, Falgenhauer L, Hain T, Foesel BU, Abt B, Overmann J, Mirambo MM, et al. Enterobacter
bugandensis sp. nov., isolated from neonatal blood. Int J Syst Evol Microbiol 2016; 66:968-974. - Kampfer P, McInroy JA, Glaeser SP. Enterobacter muelleri sp. nov., isolated from the rhizosphere of Zea mays. Int J Syst Evol
Microbiol 2015; 65:4093-4099.
Positive results for catalase, citrate utilization (Simmons), esculin hydrolysis, methyl red test, nitrate reduction to nitrite, ornithine
decarboxylase (Moeller's), growth in KCN, urea hydrolysis (may be delayed), acid production from L-arabinose, cellobiose,
D-galactose, glucose (with gas production), glycerol (delayed), gluconate, lactose (may be delayed), D-mannitol, D-mannose,
alpha-methyl-glucoside, alpha-methyl-D-mannopyranoside, salicin, D-sorbitol, sucrose, trehalose, and D-xylose.
Negative results for DNase, gelatin hydrolysis, H2S production, indole production, lipase (corn oil), lysine de carboxylase (Moeller's),
malonate utilization oxidase, phenylalanine deaminase, tyrosine clearing, Voges-Proskauer test, acid production from adonitol,
D-arabitol, dulcitol, erythritol, i(myo)-inositol, melibiose, and L-rhamnose.
Variable results for L-arginine dihydrolase (Moeller's), acetate utilization, acid production from mucate, L-tartrate (Jordan's), and
raffinose.
E. asburiae biogroups give one or more of the following atypical test reactions: negative for urea hydrolysis, ornithine decarboxylase,
growth in KCN, gas from glucose, fermentation of L-arabinose, D-mannitol, alpha-methyl-glucoside, raffinose, or D-xylose, and
positive for the Voges-Proskauer test, motility, and tests for utilization of malonate and fermentation of melibiose and L-rhamnose.
decarboxylase (Moeller's), growth in KCN, urea hydrolysis (may be delayed), acid production from L-arabinose, cellobiose,
D-galactose, glucose (with gas production), glycerol (delayed), gluconate, lactose (may be delayed), D-mannitol, D-mannose,
alpha-methyl-glucoside, alpha-methyl-D-mannopyranoside, salicin, D-sorbitol, sucrose, trehalose, and D-xylose.
Negative results for DNase, gelatin hydrolysis, H2S production, indole production, lipase (corn oil), lysine de carboxylase (Moeller's),
malonate utilization oxidase, phenylalanine deaminase, tyrosine clearing, Voges-Proskauer test, acid production from adonitol,
D-arabitol, dulcitol, erythritol, i(myo)-inositol, melibiose, and L-rhamnose.
Variable results for L-arginine dihydrolase (Moeller's), acetate utilization, acid production from mucate, L-tartrate (Jordan's), and
raffinose.
E. asburiae biogroups give one or more of the following atypical test reactions: negative for urea hydrolysis, ornithine decarboxylase,
growth in KCN, gas from glucose, fermentation of L-arabinose, D-mannitol, alpha-methyl-glucoside, raffinose, or D-xylose, and
positive for the Voges-Proskauer test, motility, and tests for utilization of malonate and fermentation of melibiose and L-rhamnose.
(c) Costin Stoica
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