| Enterobacter ludwigii |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Proteobacteria, Class Gammaproteobacteria, Order Enterobacteriales, Family Enterobacteriaceae, Genus Enterobacter,
Enterobacter ludwigii Hoffmann et al. 2005.
Enterobacter ludwigii Hoffmann et al. 2005.
Gram-negative rods. Motile.
Colonies on nutritive agar are round, 2-3 mm in diameter, and slightly iridescent or
flat with irregular edges, nonpigmented. Incubation temperature 30-37 ºC. Can grow
at 15-42 ºC. Grows on simple media and on selective media for Enterobacteriaceae.
Facultatively anaerobic.
flat with irregular edges, nonpigmented. Incubation temperature 30-37 ºC. Can grow
at 15-42 ºC. Grows on simple media and on selective media for Enterobacteriaceae.
Facultatively anaerobic.
Isolated from mid-stream urine of an 18-year old male patient, in Germany.
Susceptible to trimethoprim plus sulphamethoxazole, gentamicin, meropenem and ciprofloxacin.
Susceptible to trimethoprim plus sulphamethoxazole, gentamicin, meropenem and ciprofloxacin.
Isolated from patient with a nosocomial urinary tract infection.
- Hoffmann H, Stindl S, Stumpf A, Mehlen A, Monget D, Heesemann J, Schleifer KH, Roggenkamp A. Description of Enterobacter
ludwigii sp. nov., a novel Enterobacter species of clinical relevance. Syst Appl Microbiol 2005; 28:206-212. - Wu W, Feng Y, Zong Z. Characterization of a strain representing a new Enterobacter species, Enterobacter chengduensis sp. nov.
Antonie Van Leeuwenhoek 2019; 112:491-500.
Positive results for arginine dihydrolase, catalase, ONPG, ornithine decarboxylase, nitrate reduction, Voges-Proskauer test, acid
production from L-arabinose, D-glucose, D-mannitol, myo-inositol, melibiose, mucate, L-rhamnose, sucrose and D-sorbitol.
Negative results for DN-ase, indole production, H2S production, lipase, methyl red test, phenylalanine, gelatin hydrolysis, oxidase,
urease, acid production from D-arabitol.
Variable results for esculin hydrolysis and lysine decarboxylase.
E. ludwigii can be differentiated from the other species of the genus by the ability to grow on 3-0-methyl-D-gluco-pyranose and on
myo-inositol.
production from L-arabinose, D-glucose, D-mannitol, myo-inositol, melibiose, mucate, L-rhamnose, sucrose and D-sorbitol.
Negative results for DN-ase, indole production, H2S production, lipase, methyl red test, phenylalanine, gelatin hydrolysis, oxidase,
urease, acid production from D-arabitol.
Variable results for esculin hydrolysis and lysine decarboxylase.
E. ludwigii can be differentiated from the other species of the genus by the ability to grow on 3-0-methyl-D-gluco-pyranose and on
myo-inositol.
(c) Costin Stoica
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