Legend: + positive 90-100%, - negative 90-100%.
Phylum Proteobacteria, Class Gammaproteobacteria, Order Aeromonadales, Family Aeromonadaceae, Genus Aeromonas,
Aeromonas sanarellii Alperi et al. 2010.
Gram-negative, motile rods, nonspore-forming, nonencapsulated, 0.7 x 2.5 µm.
Two colony types are produced. Colonies on TSA are 4–5 mm in diameter; one colony
type is opaque, circular and beige in colour, while the other is translucent, after 48 h at
30 ºC. Non-hemolytic on blood agar. No brown diffusible pigment is produced on TSA.
Growth is observed up to 45 ºC but not at 50 ºC after 48 hours or at 4 ºC after 7 days
on sheep-blood agar.Optimal growth occurs after 24 hours at 30 ºC. Grows on
MacConkey and in the absence of NaCl but not in 6% NaCl medium. Optimal growth
occurs at pH 9 after 24 hours on TSA, but not at pH 4.5.
Isolated from a wound culture from a patient in Taiwan. Resistant to vibriostatic agent O/129, amoxicillin, amoxicillin + clavulanic acid,
ticarcillin, ticarcillin + clavulanic acid, cephalothin, cefoxitine and erythromycin.
Undetermined. Wound contaminant.
- Anabel Alperi, Antonio J. Martínez-Murcia, Wen-Chien Ko, Arturo Monera, Maria J. Saavedra, and Maria J. Figueras. Aeromonas
taiwanensis sp. nov. and Aeromonas sanarellii sp. nov., clinical species from Taiwan. Int J Syst Evol Microbiol September 2010 60:
Positive results for catalase, oxidase, nitrates reduction, indole production, arginine
dihydrolase, ONPG (beta-galactosidase), arbutin hydrolysis, starch hydrolysis, esculin hydrolysis, gelatin hydrolysis, DN-ase, acid
production from: amygdalin, N-acetylglucosamine, D-fructose, D-galactose, glycerol, glycogen, D-glucose (without gas), D-mannitol,
maltose, D-ribose, salicin, sucrose & trehalose.
Negative results for Voges–Proskauer test, utilization of citrate, hydrolysis of elastin, urease, H2S production from cysteine, lysine
decarboxylase,ornithine decarboxylase, acid production from: L- or D- arabitol, D-arabinose, D-adonitol, cellobiose, dulcitol, erythritol,
L- or D-fucose, gentiobiose, inositol, inulin, myo-inositol, lactose, D-lyxose, methyl beta-D-xylopyranoside, D-mannose, methyl alpha-
D-mannopyranoside, methyl alpha-D-glucopyranoside, melibiose, melezitose, raffinose, L-rhamnose, D-sorbitol, L-sorbose,
turanose, D-tagatose, xylitol, L- or D-xylose.
(c) Costin Stoica
Differential characters between A. sanarellii and A. taiwanensis