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Taxonomy
Morphology
Growth conditions
Biochemical characters
Ecology
Pathogenicity
References
Proteobacteria => Gammaproteobacteria => Enterobacteriales => Enterobacteriaceae => Leclercia => Leclercia adecarboxylata
Tamura et al. 1987, (Escherichia adecarboxylata Leclerc 1962) - single species of the genus.
Tamura et al. 1987, (Escherichia adecarboxylata Leclerc 1962) - single species of the genus.
Gram negative, straight rods, yellowish colonies. Motile.
No special growth requirements. Facultatively anaerobic, growth temperature 30 - 37
°C. Grow on media: Nutrient agar or nutrient broth; Trypticase Soy Agar ± 5% sheep
blood; MacConkey agar.
°C. Grow on media: Nutrient agar or nutrient broth; Trypticase Soy Agar ± 5% sheep
blood; MacConkey agar.
Widely distributed in nature (soil, water, food). Isolated from environmental and clinical specimens (rarely).
Pathogenicity undetermined (opportunistic pathogen). Isolated from patients with
bacteremia, peritonitis, gallbladder infections (mixed with other germs).
Isolated from peritonitis in a child (1 report). Most strains isolated from patients with neutropenia.
bacteremia, peritonitis, gallbladder infections (mixed with other germs).
Isolated from peritonitis in a child (1 report). Most strains isolated from patients with neutropenia.
- Bergey’s Manual of Determinative Bacteriology, 9th ed., 1994;
- Thierry de Baere et al.: Isolations of Leclercia adecarboxylata from a Patient with a Chronically Inflamed Gallbladder and
from a Patient with Sepsis without Focus. Journal of Clinical Microbiology, April 2001, 1674-1675, Vol. 39, No. 4. - Leclerc, H. 1962. Etude biochimique d'enterobacteriaceae pigmentées. Ann. Inst. Pasteur. 102:726-741.
- Tamura K., Sakazaki R., Kosako Y. & Yoshizaki E.: Leclercia adecarboxylata gen. nov., comb. nov., formerly known as
Escherichia adecarboxylata. Curr. Microbiol., 1986, 13, 179-184.
Lysine decarboxylase & ornithine decarboxylase negative.
See table at the end.
See table at the end.
|
|
Pigment |
Catalase |
Oxidase |
Lactose |
ONPG |
ADH |
LDC |
ODC |
|
Leclercia
adecarboxylata |
[-] |
+ |
- |
+ |
+ |
- |
- |
- |
|
Indole production |
Citrate utilization |
Hydrogen sulfide |
Urea hydrolysis |
Voges-Proskauer |
Phenilalanine |
Motility |
Gelatinase |
Growth on KCN media |
|
+ |
- |
- |
[-] |
- |
- |
[+] |
- |
+ |
|
Glucose |
Gas from glucose |
D-Mannitol |
Inositol |
D-Sorbitol |
L-Rhamnose |
Sucrose (Sacharose) |
Melibiose |
L-Arabinose |
|
+ |
+ |
+ |
- |
- |
+ |
= |
+ |
+ |
|
Cellobiose |
Dulcitol |
Glycerol |
Maltose |
D-Mannose |
Alfa-Methyl-D-Glucoside |
Raffinose |
Salicin |
Trehalose |
|
+ |
[+] |
- |
+ |
+ |
- |
= |
+ |
+ |
|
Mucate |
Tartrate ( |
Esculin hydrolysis |
Acetate utilization |
Deoxyribo-nuclease |
Lipase |
Mehyl red |
D-Adonitol |
D-Xylose |
Nitrates reduction |
Malonate |
|
= |
[+] |
+ |
[-] |
- |
- |
+ |
+ |
+ |
+ |
+ |
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