| Enterobacter cancerogenus |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Enterobacteriales, Family Enterobacteriaceae,
Genus Enterobacter, Enterobacter cancerogenus (Urosevic 1966) Dickey and Zumoff 1988.
Old synonyms: Erwinia cancerogena Urosevic 1966, Enterobacter taylorae Farmer et al. 1985. Enterobacter taylorae was previously
known as CDC Enteric Group 19.
Genus Enterobacter, Enterobacter cancerogenus (Urosevic 1966) Dickey and Zumoff 1988.
Old synonyms: Erwinia cancerogena Urosevic 1966, Enterobacter taylorae Farmer et al. 1985. Enterobacter taylorae was previously
known as CDC Enteric Group 19.
Gram-negative rods. 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 30-37 ºC. Grows on simple media and on selective media for
Enterobacteriaceae.
flat with irregular edges, nonpigmented. Facultatively anaerobic. Incubation
temperature 30-37 ºC. Grows on simple media and on selective media for
Enterobacteriaceae.
Isolated from canker in poplars and from human clinical specimens.
Rarely associated with human infections. Septicemia, urinary tract infections and wound infections have been described.
The former Erwinia cancerogena has been described as the causal agent of a canker disease of poplar (Populus species).
The former Erwinia cancerogena has been described as the causal agent of a canker disease of poplar (Populus species).
- 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. - Schonheyder HC, Jensen KT, Frederiksen W. Taxonomic notes: synonymy of Enterobacter cancerogenus (Urosevic 1966) Dickey
and Zumoff 1988 and Enterobacter taylorae Farmer et al. 1985 and resolution of an ambiguity in the biochemical profile. Int J Syst
Bacteriol 1994; 44:586-587. - Farmer JJ, Fanning GR, Davis BR, O'Hara CM, Riddle C, Hickman-Brenner FW, Asbury MA, Lowery VA, Brenner DJ. Escherichia
fergusonii and Enterobacter taylorae, two new species of Enterobacteriaceae isolated from clinical specimens. J Clin Microbiol
1985; 21:77-81.
Positive results for arginine dihydrolase, catalase, citrate utilization (Simmons), beta-galactosidase, malonate utilization, nitrate
reduction to nitrite, ornithine decarboxylase, growth on KCN, Voges-Proskauer test, acid production from L-arabinose, cellobiose,
D-galactose, glucose, D-mannitol, maltose, D-mannose, L-rhamnose, salicin, trehalose, and D-xylose.
Negative results for acetate utilization, DNase, gelatin hydrolysis, H2S production, indole production, lipase (corn oil), lysine de
carboxylase, methyl red test, oxidase, phenylalanine deaminase, tyrosine clearing, urea hydrolysis, beta-xylosidase, acid production
from adonitol, D-arabitol, dulcitol, erythritol, mio-inositol, lactose, melibiose, raffinose, D-sorbitol, sucrose, and tartrate.
Variable results for esculin hydrolysis, acid production from glycerol, mucate, alpha-methyl-glucoside,
reduction to nitrite, ornithine decarboxylase, growth on KCN, Voges-Proskauer test, acid production from L-arabinose, cellobiose,
D-galactose, glucose, D-mannitol, maltose, D-mannose, L-rhamnose, salicin, trehalose, and D-xylose.
Negative results for acetate utilization, DNase, gelatin hydrolysis, H2S production, indole production, lipase (corn oil), lysine de
carboxylase, methyl red test, oxidase, phenylalanine deaminase, tyrosine clearing, urea hydrolysis, beta-xylosidase, acid production
from adonitol, D-arabitol, dulcitol, erythritol, mio-inositol, lactose, melibiose, raffinose, D-sorbitol, sucrose, and tartrate.
Variable results for esculin hydrolysis, acid production from glycerol, mucate, alpha-methyl-glucoside,
(c) Costin Stoica
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