| Erwinia uzenensis |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Enterobacterales, Family Erwiniaceae, Genus Erwinia,
Erwinia uzenensis Matsuura et al. 2012.
Erwinia uzenensis Matsuura et al. 2012.
Gram-negative, straight rods. Motile. Non-spore-forming.
Colonies on nutrient agar are white, round and moderately high, and approximately 3
mm in diameter after 3 days at 26 ºC. The maximum temperature for growth is 31 ºC.
No diffusible or fluorescent pigment is observed. Exhibits mucoid growth. Facultatively
anaerobic.
mm in diameter after 3 days at 26 ºC. The maximum temperature for growth is 31 ºC.
No diffusible or fluorescent pigment is observed. Exhibits mucoid growth. Facultatively
anaerobic.
Isolated from black lesions of young shoots of Pyrus communis cv. La France in an orchard in Japan.
Causes the 'bacterial black shoot disease of European pear'.
- Matsuura T, Mizuno A, Tsukamoto T, Shimizu Y, Saito N, Sato S, Kikuchi S, Uzuki T, Azegami K, Sawada H. Erwinia uzenensis sp.
nov., a novel pathogen that affects European pear trees (Pyrus communis L.). Int J Syst Evol Microbiol 2012; 62:1799-1803.
Positive results for arbutin hydrolase, acetoin, beta-galactosidase, methyl red test, acid production from L-arabinose, fructose, glucose
(without gas production), galactose, glycerol, inositol, mannose, melibiose, methyl beta-D-glucoside, mannitol, ribose, sorbitol,
sucrose, trehalose, and xylose.
Can utilize L-asparagine, D-tartrate, gluconate, acetate, glucose, arabinose, mannitol, N-acetylglucosamine, potassium gluconate, and
malic acid.
Negative results for arginine dihydrolase, indole production, lecithinase, nitrate reduction, oxidase, starch hydrolysis, Tween 80
hydrolysis, urease, acid production from D-arabinose, adonitol, cellobiose, dulcitol, dextrin, inulin, lactose, melezitose, rhamnose,
starch, and salicin.
No utilization of L-tartrate, malonate or n-butylate, mannose, capric acid, adipic acid, and phenylacetic acid.
Variable results for beta-glucosidase (aesculin hydrolysis), gelatin hydrolysis, acid production from maltose and methyl
alpha-D-glucoside.
Variable utilization of citrate and maltose.
(without gas production), galactose, glycerol, inositol, mannose, melibiose, methyl beta-D-glucoside, mannitol, ribose, sorbitol,
sucrose, trehalose, and xylose.
Can utilize L-asparagine, D-tartrate, gluconate, acetate, glucose, arabinose, mannitol, N-acetylglucosamine, potassium gluconate, and
malic acid.
Negative results for arginine dihydrolase, indole production, lecithinase, nitrate reduction, oxidase, starch hydrolysis, Tween 80
hydrolysis, urease, acid production from D-arabinose, adonitol, cellobiose, dulcitol, dextrin, inulin, lactose, melezitose, rhamnose,
starch, and salicin.
No utilization of L-tartrate, malonate or n-butylate, mannose, capric acid, adipic acid, and phenylacetic acid.
Variable results for beta-glucosidase (aesculin hydrolysis), gelatin hydrolysis, acid production from maltose and methyl
alpha-D-glucoside.
Variable utilization of citrate and maltose.
(c) Costin Stoica
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