| Dickeya fangzhongdai |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Enterobacterales, Family Pectobacteriaceae, Genus
Dickeya, Dickeya fangzhongdai Tian et al. 2016.
Dickeya, Dickeya fangzhongdai Tian et al. 2016.
Gram-negative rods. Motile.
Colonies on yeast peptone dextrose adenine medium are 2 mm wide after 48 h at 28
ºC. Growth occurs at 39 ºC. Pectinolytic.
ºC. Growth occurs at 39 ºC. Pectinolytic.
Isolated from pear trees (Pyrus pyrifolia) and orchid (Phalaenopsis) in China.
Produces bleeding canker in Pyrus pyrifolia and soft rot in orchids.
- Tian Y, Zhao Y, Yuan X, Yi J, Fan J, Xu Z, Hu B, De Boer SH, Li X. Dickeya fangzhongdai sp. nov., a plant-pathogenic bacterium
isolated from pear trees (Pyrus pyrifolia). Int J Syst Evol Microbiol 2016; 66:2831-2835. - Oulghazi S, Pedron J, Cigna J, Lau YY, Moumni M, Van Gijsegem F, Chan KG, Faure D. Dickeya undicola sp. nov., a novel species
for pectinolytic isolates from surface waters in Europe and Asia. Int J Syst Evol Microbiol 2019; 69:2440-2444. - Zhang J, Hu J, Shen H, Zhang Y, Sun D et al. Genomic analysis of the Phalaenopsis pathogen Dickeya sp. PA1, representing the
emerging species Dickeya fangzhongdai. BMC Genomics 2018;19:782. - BacDive in 2022: the knowledge base for standardized bacterial and archaeal data. Lorenz Christian Reimer, Joaquim Sarda
Carbasse, Julia Koblitz, Christian Ebeling, Adam Podstawka, Jorg Overmann. Nucleic Acids Research; database issue 2022. - Oulghazi S, Pedron J, Cigna J, Lau YY, Moumni M, Van Gijsegem F, Chan KG, Faure D. Dickeya undicola sp. nov., a novel species
for pectinolytic isolates from surface waters in Europe and Asia. Int J Syst Evol Microbiol 2019; 69:2440-2444. - Wang X, He SW, Guo HB, Han JG, Thin KK, Gao JS, Wang Y, Zhang XX. Dickeya oryzae sp. nov., isolated from the roots of rice. Int
J Syst Evol Microbiol 2020; 70:4171-4178.
Positive results for acid and alkaline phosphatase, citrate utilization, gelatinase,
beta-galactosidase, indole production, acid production from amygdalin, D- and
L-arabinose, cellobiose, galactose, glycerol, myo-inositol, mannitol, melibiose, rhamnosse, raffinose, ribose, saccharose, salicin,
alpha-methyl glucoside, and D-xylose.
Can utilize as sole carbon source L-arabinose, N-acetyl-D-glucosamine, D-saccharic acid, succinic acid, D-galactose, L-aspartic
acid, D-mannose, glycerol, D-gluconic acid, D,L-alpha-glycerol-phosphate, D-xylose, L-lactic acid, formic acid, D-mannitol,
D-glucose-6-phosphate, D,L-malic acid, D-ribose, D-fructose, acetic acid, alpha-D-glucose, melibiose, thymidine, L-asparagine,
D-aspartic acid, alpha-methyl D-galactoside, sucrose, uridine, L-glutamine, meso-tartaric acid, D-glucose-1-phosphate,
fructose-6-phosphate, methyl beta-D-glucoside, maltotriose, citric acid, m-inositol, fumaric acid, bromo succinic acid, mucic acid,
cellobiose, L-serine, methyl pyruvate, D-malic acid, L-malic acid, pyruvic acid, L-galactonic acid-gamma-lactone, D-galacturonic acid,
pectin, D-arabinose, arbutin, 3-0-beta-D-galacto-pyranosyl-D-arabinose, gentiobiose, raffinose, salicin, D-glucosamine, malonic acid
and succinamic acid.
Negative results for arginine dihydrolase, casein hydrolysis, H2S production, lysine decarboxylase, ornithine decarboxylase, oxidase,
tryptophan deaminase, urease, acid production from 5-ketogluconate, beta-gentibiose, maltose, and sorbitol.
No utilization of L-rhamnose and D-galactonic acid gamma-lactone.
Variable results for Voges-Proskauer reaction.
beta-galactosidase, indole production, acid production from amygdalin, D- and
L-arabinose, cellobiose, galactose, glycerol, myo-inositol, mannitol, melibiose, rhamnosse, raffinose, ribose, saccharose, salicin,
alpha-methyl glucoside, and D-xylose.
Can utilize as sole carbon source L-arabinose, N-acetyl-D-glucosamine, D-saccharic acid, succinic acid, D-galactose, L-aspartic
acid, D-mannose, glycerol, D-gluconic acid, D,L-alpha-glycerol-phosphate, D-xylose, L-lactic acid, formic acid, D-mannitol,
D-glucose-6-phosphate, D,L-malic acid, D-ribose, D-fructose, acetic acid, alpha-D-glucose, melibiose, thymidine, L-asparagine,
D-aspartic acid, alpha-methyl D-galactoside, sucrose, uridine, L-glutamine, meso-tartaric acid, D-glucose-1-phosphate,
fructose-6-phosphate, methyl beta-D-glucoside, maltotriose, citric acid, m-inositol, fumaric acid, bromo succinic acid, mucic acid,
cellobiose, L-serine, methyl pyruvate, D-malic acid, L-malic acid, pyruvic acid, L-galactonic acid-gamma-lactone, D-galacturonic acid,
pectin, D-arabinose, arbutin, 3-0-beta-D-galacto-pyranosyl-D-arabinose, gentiobiose, raffinose, salicin, D-glucosamine, malonic acid
and succinamic acid.
Negative results for arginine dihydrolase, casein hydrolysis, H2S production, lysine decarboxylase, ornithine decarboxylase, oxidase,
tryptophan deaminase, urease, acid production from 5-ketogluconate, beta-gentibiose, maltose, and sorbitol.
No utilization of L-rhamnose and D-galactonic acid gamma-lactone.
Variable results for Voges-Proskauer reaction.
(c) Costin Stoica
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