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Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Proteobacteria, Class Gammaproteobacteria, Order Enterobacterales, Family Pectobacteriaceae, Genus Lonsdalea,
Lonsdalea iberica (Brady et al. 2012) Li et al. 2017.
Old synonym: Lonsdalea quercina subsp. iberica Brady et al. 2012.
Lonsdalea iberica (Brady et al. 2012) Li et al. 2017.
Old synonym: Lonsdalea quercina subsp. iberica Brady et al. 2012.
Gram-negative, short rods, 0.5-0.7 x 1.5-2.0 µm, occurring singly, in pairs or in
groups. Motile by peritrichous flagella.
groups. Motile by peritrichous flagella.
Colonies are white to cream on tryptone soya agar, round, convex and smooth with
entire margins. Optimum growth temperature 28-30 ºC. Facultatively anaerobic.
entire margins. Optimum growth temperature 28-30 ºC. Facultatively anaerobic.
Isolated from Mediterranean oak in Spain.
Causes bark canker of Quercus species in Spain.
- Li et al. 2017 Li Y, Xue H, Guo LM, Koltay A, Palacio-Bielsa A, Chang J, Xie S, Yang X. Elevation of three subspecies of Lonsdalea
quercina to species level: Lonsdalea britannica sp. nov., Lonsdalea iberica sp. nov. and Lonsdalea populi sp. nov. Int J Syst Evol
Microbiol 2017; 67:4680-4684. - Brady CL, Cleenwerck I, Denman S, Venter SN, Rodriguez-Palenzuela P, Coutinho TA, De Vos P. Proposal to reclassify Brenneria
quercina (Hildebrand and Schroth 1967) Hauben et al. 1999 into a new genus, Lonsdalea gen. nov., as Lonsdalea quercina
comb. nov., descriptions of Lonsdalea quercina subsp. quercina comb. nov., Lonsdalea quercina subsp. iberica subsp. nov. and
Lonsdalea quercina subsp. britannica subsp. nov., emendation of the description of the genus Brenneria, reclassification of
Dickeya dieffenbachiae as Dickeya dadantii subsp. dieffenbachiae comb. nov., and emendation of the description of Dickeya
dadantii. Int J Syst Evol Microbiol 2012; 62:1592-1602. - Toth T, Lakatos T, Koltay A. Lonsdalea quercina subsp. populi subsp. nov., isolated from bark canker of poplar trees. Int J Syst
Evol Microbiol 2013; 63:2309-2313.
Positive results for catalase, citrate utilization, Voges-Proskauer test, acid production from N-acetylglucosamine, arbutin, aesculin
ferric citrate, D-fructose, D-galactose, D-glucose, glycerol, D-mannitol, D-mannose, methyl alpha-D-glucopyranoside, D-ribose,
salicin, sucrose, turanose, and raffinose.
Can utilize N-acetyl-D-glucosamine, D-fructose, D-galactose, Dglucose, D-mannitol, D-mannose, methyl b-D-glucoside, D-psicose,
sucrose, turanose, citric acid, D-gluconic acid, bromosuccinic acid, L-aspartic acid, glycerol, D-glucose 6-phosphate, raffinose,
trehalose, formic acid, alpha-ketoglutaric acid, D, L-lactic acid and succinic acid.
Negative results for arginine dihydrolase, beta-galactosidase, gelatinase, H2S production, indole production, lysine decarboxylase,
methyl red test, nitrate reduction, oxidase, ornithine decarboxylase, starch hydrolysis, tryptophan deaminase, urease, acid production
from adonitol, D- and L-arabinose, amygdalin, D-cellobiose, dulcitol, gluconate, inositol, lactose, maltose, melibiose, D-trehalose,
and D-xylose.
No utilization of L-glutamic acid, pyruvic acid methyl-ester, succininc acid mono methyl-ester, L-histidine, L-leucine, L-phenylalanine
and L-threonine.
ferric citrate, D-fructose, D-galactose, D-glucose, glycerol, D-mannitol, D-mannose, methyl alpha-D-glucopyranoside, D-ribose,
salicin, sucrose, turanose, and raffinose.
Can utilize N-acetyl-D-glucosamine, D-fructose, D-galactose, Dglucose, D-mannitol, D-mannose, methyl b-D-glucoside, D-psicose,
sucrose, turanose, citric acid, D-gluconic acid, bromosuccinic acid, L-aspartic acid, glycerol, D-glucose 6-phosphate, raffinose,
trehalose, formic acid, alpha-ketoglutaric acid, D, L-lactic acid and succinic acid.
Negative results for arginine dihydrolase, beta-galactosidase, gelatinase, H2S production, indole production, lysine decarboxylase,
methyl red test, nitrate reduction, oxidase, ornithine decarboxylase, starch hydrolysis, tryptophan deaminase, urease, acid production
from adonitol, D- and L-arabinose, amygdalin, D-cellobiose, dulcitol, gluconate, inositol, lactose, maltose, melibiose, D-trehalose,
and D-xylose.
No utilization of L-glutamic acid, pyruvic acid methyl-ester, succininc acid mono methyl-ester, L-histidine, L-leucine, L-phenylalanine
and L-threonine.
(c) Costin Stoica
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