Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Enterobacterales, Family Erwiniaceae, Genus
Pantoea, Pantoea allii Brady et al. 2011.
Gram-negative, short rods. Non-capsulated. Motile. Non-spore-forming.
Colonies are yellow, smooth, round and convex with entire margins on nutrient and
tryptone glucose extract agar. Growth occurs at 30-40 ºC, but not at 4 or 44 ºC.
Facultatively anaerobic.
isolated from onion plant and seed in USA and South Africa, respectively.
Isolated from onion plant exhibiting centre rot symptoms.
- Brady CL, Goszczynska T, Venter SN, Cleenwerck I, De Vos P, Gitaitis RD, Coutinho TA. Pantoea allii sp. nov., isolated from onion
plants and seed. Int J Syst Evol Microbiol 2011; 61:932-937.
Positive results for catalase, citrate utilization, beta-galactosidase, indole production, Voges-Proskauer test, acid production (API 50
CHB/E) from amygdalin, arbutin, L-arabinose, D-arabitol, cellobiose, D-fructose, D-galactose, gentiobiose, D-glucose, glycerol,
inositol, lactose, D-mannose, D-mannitol, maltose, N-acetylglucosamine, L-rhamnose, raffinose, D-ribose, salicin, D-sorbitol,
sucrose, trehalose, and D-xylose.
Can utilize D-glucose, D-fructose, D-galactose, trehalose, D-mannose, melibiose, sucrose, raffinose, maltotriose, maltose, lactose,
lactulose, alpha- and beta-galactopyranoside, cellobiose, gentiobiose, 1-O-methyl beta-D-glucopyranoside, esculin, D-ribose,
L-arabinose, D-xylose, L-rhamnose, D-arabitol, glycerol, myo-inositol, D-mannitol, D-sorbitol, adonitol, D-saccharate, mucate,
meso-tartrate, D-malate, l-malate, cis-aconitate, trans-aconitate, citrate, D-glucuronate, D-galacturonate, 2- and 5-ketogluconate,
N-acetyl-D-glucosamine, D-gluconate, protocatechuate, quinate, DL-lactate, succinate, fumarate, DL-glycerate, D-glucosamine,
L-aspartate, L-glutamate, L-proline, D- and L-alanine and L-serine (Biotype 100), dextrin, Tweens 40 and 80, pyruvic acid methyl
ester, acetic acid, bromosuccinic acid, D- and L-alanine, L-asparagine, urocanic acid, thymidine, alpha-D-glucose 1-phosphate and
D-glucose 6-phosphate (Biolog GN).
Negative results for gelatinase, H2S production, lysine decarboxylase, and ornithine decarboxylase, oxidase, and urease.
No utilization of L-sorbose, palatinose, L-fucose, melezitose, L-arabitol, xylitol, dulcitol, D-tagatose, maltitol, turanose,
hydroxyquinoline beta-glucuronide, erythritol, L- and D-tartrate, tricarballylate, L-tryptophan, phenylacetate, 4-hydroxybenzoate,
gentisate, 3-hydroxybenzoate, benzoate, 3-phenylpropionate, m-coumarate, trigonelline, betaine, putrescine, 4-aminobutyrate,
histamine, caprate, caprylate, L-histidine, glutarate, 5-aminovalerate, ethanolamine, tryptamine, itaconate, 3-hydroxybutyrate,
propionate and L-tyrosine (Biotype 100), D-galactonic acid lactone, alpha- and beta-hydroxybutyric acid, alpha-ketobutyric acid,
alpha-ketoglutaric acid, alpha-ketovaleric acid, malonic acid, sebacic acid, L-alaninamide, L-leucine, L-phenylalanine, D-serine,
L-threonine, 2-aminoethanol and 2,3-butanediol (Biolog GN).
(c) Costin Stoica