| Aeromonas tecta |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Proteobacteria, Class Gammaproteobacteria, Order Aeromonadales, Family Aeromonadaceae, Genus Aeromonas,
Aeromonas tecta Demarta et al. 2010.
Old synonym: Aeromonas eucrenophila - like.
Aeromonas tecta Demarta et al. 2010.
Old synonym: Aeromonas eucrenophila - like.
Gram-negative, motile rods.
Facultatively anaerobic. No brown water-soluble pigment is produced. Beta-hemolytic
on sheep blood agar. Optimum growth temperature 30 ºC. No growth at 4 or 42 ºC.
on sheep blood agar. Optimum growth temperature 30 ºC. No growth at 4 or 42 ºC.
Isolated from human feces, from the skin of a trout, from a sample taken at the surface of a sink.
Resistant to vibriostatic agent O/129, cephalothin, amoxicillin and ticarcillin.
Resistant to vibriostatic agent O/129, cephalothin, amoxicillin and ticarcillin.
Undetermined. One strain was isolated from the feces of a five year old child with diarrhea, vomiting and fever and other from the
feces of an adult with no clinical signs.
feces of an adult with no clinical signs.
- J.P. Euzeby: List of Prokaryotic names with Standing in Nomenclature - Genus Aeromonas. Available online at https://www.
bacterio.cict.fr/bacdico/aa/tecta.html - Anabel Alperi, Antonio J. Martinez-Murcia, Arturo Monera, Maria J. Saavedra, and Maria J. Figueras. Aeromonas fluvialis sp. nov.,
isolated from a Spanish river. Int J Syst Evol Microbiol January 2010 60:72-77.
Can be differentiated from Aeromonas eucrenophila by the acid production from
glycerol and lack of indole production.
Positive results for catalase, oxidase, arginine dihydrolase, hydrolysis of casein, hydrolysis lecithin, acid production from: arbutin,
D-glucose (with gas production), D-fructose, D-gluconate, N-acetyl-glucosamine and glycerol.
Negative results for indole production, hydrolysis of L-tryptophan, ornithine decarboxylase, acid production from: arabinose,
D-cellobiose, galacturonic acid, N-acetyl-galactosamine, lactose, alpha-methyl-D-glucoside, D-melibiose, L-rhamnose, sucrose and
sorbitol.
Variable results for esculin hydrolysis, Voges-Proskauer test, acid production from: D-galactose and salicin.
glycerol and lack of indole production.
Positive results for catalase, oxidase, arginine dihydrolase, hydrolysis of casein, hydrolysis lecithin, acid production from: arbutin,
D-glucose (with gas production), D-fructose, D-gluconate, N-acetyl-glucosamine and glycerol.
Negative results for indole production, hydrolysis of L-tryptophan, ornithine decarboxylase, acid production from: arabinose,
D-cellobiose, galacturonic acid, N-acetyl-galactosamine, lactose, alpha-methyl-D-glucoside, D-melibiose, L-rhamnose, sucrose and
sorbitol.
Variable results for esculin hydrolysis, Voges-Proskauer test, acid production from: D-galactose and salicin.
(c) Costin Stoica
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