| Izhakiella australiensis |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Enterobacteriales, Family Enterobacteriaceae,
Genus Izhakiella, Izhakiella australiensis Ji et al. 2017.
Species description is based on a single isolate.
Genus Izhakiella, Izhakiella australiensis Ji et al. 2017.
Species description is based on a single isolate.
Gram-negative rods, 0.5-0.8 x 1.0-1.6 μm. Non-motile. Non-spore-forming.
After 24 h of incubation on LB agar at 30 ºC, colonies are circular, smooth, transparent
and colourless. Growth occurs at 10-37 ºC (optimum 25-30 ºC); no growth at 41 ºC.
Facultatively anaerobic. Grows on MacConkey agar without fermenting lactose.
and colourless. Growth occurs at 10-37 ºC (optimum 25-30 ºC); no growth at 41 ºC.
Facultatively anaerobic. Grows on MacConkey agar without fermenting lactose.
Isolated from an Australian desert soil.
Undetermined.
- Ji M, Tang S, Ferrari BC. Izhakiella australiensis sp. nov. isolated from an Australian desert soil. Int J Syst Evol Microbiol 2017; 67:
4317-4322.
Positive results for arginine dihydrolase, acid phosphatase, catalase, cystine arylamidase, beta-galactosidase, lysine decarboxylase,
Voges-Proskauer test, acid production from D-arabitol, L-arabinose (weak), erythritol (weak), D-fructose, D-glucose, D-galactose,
glycerol (weak), D-mannose, D-mannitol, N-acetylglucosamine, L-rhamnose, D-ribose, trehalose, and D-tagatose (weak).
Can assimilate D-glucose, D-mannose, D-mannitol, N-acetyl-glucosamine, potassium gluconate, malic acid and L-rhamnose;
Negative results for citrate utilization, gelatinase, indole production, H2S production, nitrate reduction, ornithine decarboxylase,
oxidase, tryptophan deaminase, urease, acid production from amygdalin, D-arabinose, arbutin, L-arabitol, D-adonitol, D-cellobiose,
dulcitol, esculin ferric citrate, D- and L-fucose, gentiobiose, glycogen, gluconate, 2 and 5-ketogluconate, inositol, inulin,
methyl-alpha-D-mannopyranoside, methyl-alpha-D-glucopyranoside, lactose, D-lyxose, maltose, melibiose, melezitose, raffinose,
L-sorbose, salicin, starch, D-sorbitol, sucrose, turanose, xylitol, methyl beta-D-xylopyranoside, D- and L-xylose.
Voges-Proskauer test, acid production from D-arabitol, L-arabinose (weak), erythritol (weak), D-fructose, D-glucose, D-galactose,
glycerol (weak), D-mannose, D-mannitol, N-acetylglucosamine, L-rhamnose, D-ribose, trehalose, and D-tagatose (weak).
Can assimilate D-glucose, D-mannose, D-mannitol, N-acetyl-glucosamine, potassium gluconate, malic acid and L-rhamnose;
Negative results for citrate utilization, gelatinase, indole production, H2S production, nitrate reduction, ornithine decarboxylase,
oxidase, tryptophan deaminase, urease, acid production from amygdalin, D-arabinose, arbutin, L-arabitol, D-adonitol, D-cellobiose,
dulcitol, esculin ferric citrate, D- and L-fucose, gentiobiose, glycogen, gluconate, 2 and 5-ketogluconate, inositol, inulin,
methyl-alpha-D-mannopyranoside, methyl-alpha-D-glucopyranoside, lactose, D-lyxose, maltose, melibiose, melezitose, raffinose,
L-sorbose, salicin, starch, D-sorbitol, sucrose, turanose, xylitol, methyl beta-D-xylopyranoside, D- and L-xylose.
(c) Costin Stoica
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