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Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Enterobacterales, Family Pectobacteriaceae, Genus
Lonsdalea, Lonsdalea quercina (Hildebrand and Schroth 1967) Brady et al. 2012, type species of the genus.
Old synonyms: Erwinia quercina Hildebrand and Schroth 1967,
Brenneria quercina (Hildebrand and Schroth 1967) Hauben et al. 1999.
Lonsdalea, Lonsdalea quercina (Hildebrand and Schroth 1967) Brady et al. 2012, type species of the genus.
Old synonyms: Erwinia quercina Hildebrand and Schroth 1967,
Brenneria quercina (Hildebrand and Schroth 1967) Hauben et al. 1999.
Gram-negative rods, 0.5-1.0 x 1.0-2.0 µm, occurring singly, in pairs or in groups.
Motile by peritrichous flagella.
Motile by peritrichous flagella.
Colonies are generally mucoid, domed and can vary in color from white to cream.
Optimum growth temperature 26-30 ºC. No growth at 40 ºC. Facultatively anaerobic.
Optimum growth temperature 26-30 ºC. No growth at 40 ºC. Facultatively anaerobic.
The type strain was isolated from oak displaying symptoms of drippy nut disease in the USA.
Causes the drippy nut disease of live oaks.
- J. G. Holt et al., 1994. Facultatively Anaerobic Gram-Negative Rods. Subgroup 1. Family Enterobacteriaceae. In: Begey’s Manual of
Determinative Bacteriology, 9th-edition, Williams & Wilkins, pp 175-189. - Don J. Brenner and J.J. Farmer III, 2001. Family I. Enterobacteriaceae. In: Bergey’s Manual of Systematic Bacteriology, Second
edition, Vol two, part B, George M. Garrity (Editor-in-Chief), pp 587-897. - 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.
Positive results for catalase, citrate utilization, acid production from N-acetylglucosamine, arbutin, aesculin ferric citrate, D-fructose,
D-galactose, gluconate, D-glucose, 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, D-glucose, D-mannitol, D-mannose, methyl beta-D-glucoside,
D-psicose, sucrose, turanose, citric acid, L-histidine, L-leucine, D-gluconic acid, bromosuccinic acid, L-aspartic acid, glycerol and
D-glucose 6-phosphate.
Negative results for arginine dihydrolase, esculin hydrolysis, 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, inositol, lactose, maltose, melibiose,
D-trehalose and D-xylose.
No utilization of L-phenylalanine and L-threonine.
Variable results for Voges-Proskauer test, acid production from sorbitol and glycerol.
D-galactose, gluconate, D-glucose, 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, D-glucose, D-mannitol, D-mannose, methyl beta-D-glucoside,
D-psicose, sucrose, turanose, citric acid, L-histidine, L-leucine, D-gluconic acid, bromosuccinic acid, L-aspartic acid, glycerol and
D-glucose 6-phosphate.
Negative results for arginine dihydrolase, esculin hydrolysis, 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, inositol, lactose, maltose, melibiose,
D-trehalose and D-xylose.
No utilization of L-phenylalanine and L-threonine.
Variable results for Voges-Proskauer test, acid production from sorbitol and glycerol.
(c) Costin Stoica
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