Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Enterobacterales, Family Pectobacteriaceae, Genus
Brenneria, 2 subspecies:
- Brenneria roseae subsp. roseae Brady et al. 2015,
- Brenneria roseae subsp. americana Brady et al. 2015.
Brenneria, 2 subspecies:
- Brenneria roseae subsp. roseae Brady et al. 2015,
- Brenneria roseae subsp. americana Brady et al. 2015.
Gram-negative rods, 0.5-0.8 x 1.1-1.7 µm. Motile by peritrichous flagella.
Colonies are pale cream on nutrient agar, round, convex and smooth with entire
margins. Optimum temperature, 27-30 ºC; maximum temperature for growth is 40 ºC.
Facultatively anaerobic.
margins. Optimum temperature, 27-30 ºC; maximum temperature for growth is 40 ºC.
Facultatively anaerobic.
Subsp. roseae was isolated from Quercus cerris in Norfolk, United Kingdom.
Subsp. americana was isolated from Quercus kelloggii in California, United States of America.
Subsp. americana was isolated from Quercus kelloggii in California, United States of America.
Assoiated with Acute Oak Decline.
- Brady C, Hunter G, Kirk S, Arnold D, Denman S. Description of Brenneria roseae sp. nov. and two subspecies, Brenneria roseae
subspecies roseae ssp. nov and Brenneria roseae subspecies americana ssp. nov. isolated from symptomatic oak. Syst Appl
Microbiol 2014; 37:396-401. - Li Y, Zheng MH, Wang HM, Lin CL, Wang XZ. Brenneria corticis sp. nov., isolated from symptomatic bark of Populus x
euramericana canker. Int J Syst Evol Microbiol 2019; 69:63-67.
Positive results for arginine dihydrolase, catalase, citrate utilization, ornithine decarboxylase, acid production (API 50 CHB/E) from D-
and L-arabinose, arbutin, esculin ferric citrate, D-fructose, D-galactose, D-glucose, glycerol, gluconate, 5-ketogluconate, inositol,
D-mannitol, D-mannose, N-acetylglucosamine, D-ribose, salicin, D-sorbitol, D-saccharose, and D-xylose.
Can assimilate (Biolog GN2) dextrin, Tween 80, N-acetyl-D-glucosamine, L-arabinose, D-fructose, D-galactose, alpha-D-glucose,
inositol, D-mannitol, D-mannose, alpha-methyl-D-glucoside, D-psicose, D-sorbitol, sucrose, pyruvic acid methyl ester, acetic acid,
citric acid, D-galacturonic acid, D-gluconic acid, D-saccharic acid, succinic acid, bromosuccinic acid, L-aspargine, L-aspartic acid, L-
glutamic acid, D-serine, L-serine, thymidine, glycerol, D,L, alpha-glycerol phosphate, alpha-D-glucose-1-phosphate and
alpha-D-glucose-6-phosphate.
Negative results for gelatinase, H2S production, indole production, lysine decarboxylase, nitrate reduction to nitrite, oxidase, tryptophan
deaminase, starch hydrolysis, urease, acid production from adonitol, amygdalin, dulcitol, gentiobiose, melibiose, methyl
alpha-D-glucopyranoside, raffinose, trehalose and turanose.
Variable results for Voges-Proskauer reaction.
and L-arabinose, arbutin, esculin ferric citrate, D-fructose, D-galactose, D-glucose, glycerol, gluconate, 5-ketogluconate, inositol,
D-mannitol, D-mannose, N-acetylglucosamine, D-ribose, salicin, D-sorbitol, D-saccharose, and D-xylose.
Can assimilate (Biolog GN2) dextrin, Tween 80, N-acetyl-D-glucosamine, L-arabinose, D-fructose, D-galactose, alpha-D-glucose,
inositol, D-mannitol, D-mannose, alpha-methyl-D-glucoside, D-psicose, D-sorbitol, sucrose, pyruvic acid methyl ester, acetic acid,
citric acid, D-galacturonic acid, D-gluconic acid, D-saccharic acid, succinic acid, bromosuccinic acid, L-aspargine, L-aspartic acid, L-
glutamic acid, D-serine, L-serine, thymidine, glycerol, D,L, alpha-glycerol phosphate, alpha-D-glucose-1-phosphate and
alpha-D-glucose-6-phosphate.
Negative results for gelatinase, H2S production, indole production, lysine decarboxylase, nitrate reduction to nitrite, oxidase, tryptophan
deaminase, starch hydrolysis, urease, acid production from adonitol, amygdalin, dulcitol, gentiobiose, melibiose, methyl
alpha-D-glucopyranoside, raffinose, trehalose and turanose.
Variable results for Voges-Proskauer reaction.
(c) Costin Stoica
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