| Izhakiella capsodis |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Enterobacteriales, Family Enterobacteriaceae,
Genus Izhakiella, Izhakiella capsodis Aizenberg-Gershtein et al. 2016, type species of the genus.
Genus Izhakiella, Izhakiella capsodis Aizenberg-Gershtein et al. 2016, type species of the genus.
Gram-negative rods, 0.3-0.7 x 1.2-2.4 μm. Motile by peritrichous flagella. Non-spore-
forming.
forming.
Colonies are small, circular, smooth, transparent and colourless after 48 hours of
incubation on LB agar or on LB supplemented with 10 % sucrose at 28 ºC. Growth
occurs at 1-37 ºC (optimum 28-30 ºC), in 0-7.5% NaCl (optimum at 3% NaCl) and
with and with 0-60% sucrose (optimum growth with 10-25 % sucrose). Facultatively
anaerobic. No growth on MacConkey agar.
incubation on LB agar or on LB supplemented with 10 % sucrose at 28 ºC. Growth
occurs at 1-37 ºC (optimum 28-30 ºC), in 0-7.5% NaCl (optimum at 3% NaCl) and
with and with 0-60% sucrose (optimum growth with 10-25 % sucrose). Facultatively
anaerobic. No growth on MacConkey agar.
Isolated from the mirid bug Capsodes infuscatus.
Undetermined.
- Aizenberg-Gershtein Y, Laviad S, Samuni-Blank M, Halpern M. Izhakiella capsodis gen. nov., sp. nov., in the family
Enterobacteriaceae, isolated from the mirid bug Capsodes infuscatus. Int J Syst Evol Microbiol 2016; 66:1364-1370.
Positive results for catalase, esculin hydrolysis, lysine decarboxylase, urease, Voges-Proskauer test, acid production from esculin
(weak), D-fructose, D-glucose, D-galactose, D-mannose, D-mannitol, N-acetylglucosamine, L-rhamnose (weak for the type strain),
D-ribose (weak), trehalose and D-tagatose.
Can assimilate D-glucose, D-mannose, D-mannitol, N-acetylglucoseamine and potassium gluconate.
Negative results for arginine dihydrolase, citrate utilization, beta-galactosidase, gelatinase, indole production, H2S production, nitrate
reduction, ornithine decarboxylase, oxidase, tryptophan deaminase, acid production from D-adonitol, D- and L-arabitol, arbutin, D-
and L-arabinose, cellobiose, dulcitol, D- and L-fucose, glycerol, glycogen, gentiobiose, gluconate, 2- and 5-ketogluconate, methyl
alpha-D-mannopyranoside, methyl alpha-D-glucopyranoside, inositol, inulin, lactose, D-lyxose, maltose, melibiose, melezitose,
raffinose, salicin, D-sorbitol, L-sorbose, sucrose, starch, turanose, xylitol, methyl beta-D-xylopyranoside, D- and L-xylose,
No assimilation of L-arabinose, maltose, capric acid, adipic acid, malic acid, trisodium citrate and phenylacetic acid.
Variable fermentation of amygdalin (positive for the type strain).
(weak), D-fructose, D-glucose, D-galactose, D-mannose, D-mannitol, N-acetylglucosamine, L-rhamnose (weak for the type strain),
D-ribose (weak), trehalose and D-tagatose.
Can assimilate D-glucose, D-mannose, D-mannitol, N-acetylglucoseamine and potassium gluconate.
Negative results for arginine dihydrolase, citrate utilization, beta-galactosidase, gelatinase, indole production, H2S production, nitrate
reduction, ornithine decarboxylase, oxidase, tryptophan deaminase, acid production from D-adonitol, D- and L-arabitol, arbutin, D-
and L-arabinose, cellobiose, dulcitol, D- and L-fucose, glycerol, glycogen, gentiobiose, gluconate, 2- and 5-ketogluconate, methyl
alpha-D-mannopyranoside, methyl alpha-D-glucopyranoside, inositol, inulin, lactose, D-lyxose, maltose, melibiose, melezitose,
raffinose, salicin, D-sorbitol, L-sorbose, sucrose, starch, turanose, xylitol, methyl beta-D-xylopyranoside, D- and L-xylose,
No assimilation of L-arabinose, maltose, capric acid, adipic acid, malic acid, trisodium citrate and phenylacetic acid.
Variable fermentation of amygdalin (positive for the type strain).
(c) Costin Stoica
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