| Erwinia endophytica |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Enterobacterales, Family Erwiniaceae, Genus Erwinia,
Erwinia endophytica Ramirez-Bahena et al. 2016.
Erwinia endophytica Ramirez-Bahena et al. 2016.
Gram-negative rods, 0.8-0.9 x 1.5-1.7 μm, occuring mostly in pairs. Motile. Non-spore-
forming.
forming.
Colonies on nutrient agar are circular convex, beige, translucent, 2.0-2.5 mm in
diameter after 2 days growth at 28 ºC. Grows at 5-35 ºC, and at pH 4.5-10. Can grow
at 0-6 % (w/v) NaCl in nutrient broth. No diffusible fluorescent pigment is produced on
King B medium. Facultatively anaerobic.
diameter after 2 days growth at 28 ºC. Grows at 5-35 ºC, and at pH 4.5-10. Can grow
at 0-6 % (w/v) NaCl in nutrient broth. No diffusible fluorescent pigment is produced on
King B medium. Facultatively anaerobic.
Isolated from the stems of potato plants (Solanum tuberosum L.) cropped from soil in Salamanca, Spain.
Undetermined.
- Ramirez-Bahena MH, Salazar S, Cuesta MJ, Tejedor C, Igual JM, Fernandez-Pascual M, Peix A. Erwinia endophytica sp. nov.,
isolated from potato (Solanum tuberosum L.) stems. Int J Syst Evol Microbiol 2016; 66:975-981.
Description is based mostly on API 20 NE, API 20 E, API 50 CH and Biolog GN results.
Positive results for catalase, beta-galactosidase, acid production from D- and L-arabinose, amygdalin, arbutin, cellobiose, aesculin,
fructose, D- and L-fucose, galactose, gentiobiose, glucose (without gas), glycerol, inositol, lactose, lyxose, mannose, mannitol,
melibiose, melezitose, methyl-alpha-D-glucoside (weak), methyl-alpha-D-mannoside, N-acetylglucosamine, D-ribose, raffinose,
L-rhamnose, salicin, sucrose, trehalose, turanose, xylitol, and D-xylose.
Can assimilate in API 20 NE: glucose, gluconate, L-arabinose, mannose, mannitol, malate, N-acetylglucosamine, maltose and citrate.
Can assimilate in Biolog GN2: dextrin, Tween80, N-acetyl-D-glucosamine, L-arabinose, cellobiose, D-fructose, L-fucose, D-galactose,
gentiobiose, alpha-D-glucose, m-inositol, alpha-lactose, maltose, D-mannitol, D-mannose, melibiose, beta-methyl-D-glucoside,
D-psicose, raffinose, L-rhamnose, sucrose, trehalose, turanose, xylitol, methyl-pyruvate, citrate, D-galactonate lactone, D-gluconate,
DL-lactate, succinate, L-alanine, L-alanyl-glycine, L-asparagine, L-aspartate,L-glutamate, glycyl-L-aspartate, glycyl-L-glutamate,
L-histidine, L-proline, L-serine, urocanate, inosine, uridine, thymidine, glycerol, glucose-1-phosphate and glucose-6-phosphate.
Negative results for arginine dihydrolase, aesculin hydrolysis, gelatinase, H2S production, indole production, lysine decarboxylase,
nitrate reduction, ornithine decarboxylase, oxidase, urease, Voges-Proskauer test, acid production from adonitol, D- and L-arabitol,
dulcitol, erythritol, gluconate, glycogen, 2- and 5-ketogluconate, inulin, methyl-beta-D-xyloside, sorbose, sorbitol, starch, tagatose and
L-xylose.
No assimilation of caprate, adipate and phenylacetate, alpha-cyclodextrin, glycogen, N-acetyl-D-galactosamine, adonitol, D-arabitol,
i-erythritol, lactulose, D-sorbitol, cis-aconitate, D-galacturonate, D-glucosaminate, D-glucuronate, alpha-, beta- and
gamma-hydroxybutyrate, p-hydroxyphenylacetate, itaconate, alpha-ketobutyrate, alpha-ketoglutarate, alpha-ketovalerate, malonate,
propionate, D-saccharate, sebacate, succinamic, glucuronamide, L-alaninamide, D-alanine, hydroxyl-L-proline, L-leucine, L-ornithine,
L-phenylalanine, L-pyroglutamate, D-serine, L-threonine, DL-carnitine, gamma-aminobutyrate, phenylethylamine, putrescine,
2-aminoethanol and 2, 3-butanediol.
Variable or weak assimilation of DL-alpha-glycerolphosphate, Tween40, mono-methyl-succinate, acetate, formate, quinate and
bromo-succinate.
Positive results for catalase, beta-galactosidase, acid production from D- and L-arabinose, amygdalin, arbutin, cellobiose, aesculin,
fructose, D- and L-fucose, galactose, gentiobiose, glucose (without gas), glycerol, inositol, lactose, lyxose, mannose, mannitol,
melibiose, melezitose, methyl-alpha-D-glucoside (weak), methyl-alpha-D-mannoside, N-acetylglucosamine, D-ribose, raffinose,
L-rhamnose, salicin, sucrose, trehalose, turanose, xylitol, and D-xylose.
Can assimilate in API 20 NE: glucose, gluconate, L-arabinose, mannose, mannitol, malate, N-acetylglucosamine, maltose and citrate.
Can assimilate in Biolog GN2: dextrin, Tween80, N-acetyl-D-glucosamine, L-arabinose, cellobiose, D-fructose, L-fucose, D-galactose,
gentiobiose, alpha-D-glucose, m-inositol, alpha-lactose, maltose, D-mannitol, D-mannose, melibiose, beta-methyl-D-glucoside,
D-psicose, raffinose, L-rhamnose, sucrose, trehalose, turanose, xylitol, methyl-pyruvate, citrate, D-galactonate lactone, D-gluconate,
DL-lactate, succinate, L-alanine, L-alanyl-glycine, L-asparagine, L-aspartate,L-glutamate, glycyl-L-aspartate, glycyl-L-glutamate,
L-histidine, L-proline, L-serine, urocanate, inosine, uridine, thymidine, glycerol, glucose-1-phosphate and glucose-6-phosphate.
Negative results for arginine dihydrolase, aesculin hydrolysis, gelatinase, H2S production, indole production, lysine decarboxylase,
nitrate reduction, ornithine decarboxylase, oxidase, urease, Voges-Proskauer test, acid production from adonitol, D- and L-arabitol,
dulcitol, erythritol, gluconate, glycogen, 2- and 5-ketogluconate, inulin, methyl-beta-D-xyloside, sorbose, sorbitol, starch, tagatose and
L-xylose.
No assimilation of caprate, adipate and phenylacetate, alpha-cyclodextrin, glycogen, N-acetyl-D-galactosamine, adonitol, D-arabitol,
i-erythritol, lactulose, D-sorbitol, cis-aconitate, D-galacturonate, D-glucosaminate, D-glucuronate, alpha-, beta- and
gamma-hydroxybutyrate, p-hydroxyphenylacetate, itaconate, alpha-ketobutyrate, alpha-ketoglutarate, alpha-ketovalerate, malonate,
propionate, D-saccharate, sebacate, succinamic, glucuronamide, L-alaninamide, D-alanine, hydroxyl-L-proline, L-leucine, L-ornithine,
L-phenylalanine, L-pyroglutamate, D-serine, L-threonine, DL-carnitine, gamma-aminobutyrate, phenylethylamine, putrescine,
2-aminoethanol and 2, 3-butanediol.
Variable or weak assimilation of DL-alpha-glycerolphosphate, Tween40, mono-methyl-succinate, acetate, formate, quinate and
bromo-succinate.
(c) Costin Stoica
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