Pectobacterium wasabiae
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Enterobacterales, Family Pectobacteriaceae, Genus
Pectobacterium,
Pectobacterium wasabiae (Goto and Matsumoto 1987) Gardan et al. 2003,

Old synonyms:
Erwinia carotovora subsp. wasabiae Goto and Matsumoto 1987, synonym: Pectobacterium carotovorum subsp.
wasabiae
(Goto and Matsumoto 1987) Hauben et al. 1999.
Gram-negative rods, motile by peritrichous flagella, 0.5-1.0 x 1-3 µm, occuring singly
or in pairs.
Colonies are white, circular with entire margins, convex, and 1.0-2.0 mm in diameter.
Facultatively anaerobic. Optimum growth temperature 26-30 ºC.  No growth over 40 ºC.
Isolated from Japanese horseradish (Eutrema wasabi ).
Causes discoloured rhizomes and fibrous rot of Japanese horseradish (Eutrema wasabi), and experimentally, of potato tubers, carrot
and radish roots, midribs of chinese cabbage, tomato and tobacco plants.
  1. 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.
  2. 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.
  3. Adeolu M, Alnajar S, Naushad S, S Gupta R. Genome-based phylogeny and taxonomy of the 'Enterobacteriales': proposal for
    Enterobacterales ord. nov. divided into the families Enterobacteriaceae, Erwiniaceae fam. nov., Pectobacteriaceae fam. nov.,
    Yersiniaceae fam. nov., Hafniaceae fam. nov., Morganellaceae fam. nov., and Budviciaceae fam. nov. Int J Syst Evol Microbiol
    2016; 66:5575-5599.
  4. Koh YJ, Kim GH, Lee YS, Sohn SH, Koh HS et al. Pectobacterium carotovorum subsp. actinidiae subsp. nov., a new bacterial
    pathogen causing canker-like symptoms in yellow kiwifruit, Actinidia chinensis. New Zealand Journal of Crop and Horticultural
    Science 2012;40:269–279.
  5. Waleron M, Misztak A, Waleron M, Jonca J, Furmaniak M, Waleron K. Pectobacterium polonicum sp. nov. isolated from vegetable
    fields. Int J Syst Evol Microbiol 2019; 69:1751-1759.
Positive results for catalase, nitrates reduction, esculin hydrolysis, acetate utilization, acid production from: glucose, mannitol,
rhamnose, and salicin.

Negative results for casein hydrolysis, oxidase, indole production, arginine dihydrolase, lysine decarboxylase, ornithine
decarboxylase, urea hydrolysis and acid production from adonitol, mannose, sucrose, and D-xylose.
(c) Costin Stoica
Antibiogram
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R E G N U M
PROKARYOTAE
 
Citrate
utilization
Voges -
Proskauer
Gelatin
hydrolysis
Alpha-Methyl-
D-Glucoside
Inositol
fermentation
Beta-
Galactosidase
Inulin
fermentation
P. atrosepticum
d
d
-
+
-
+
-
P. betavasculorum
-
+
d
d
+
+
+
P. cacticida
+
+
-
d
-
+
nd
P. carotovorum
+
+
+
-
-
+
-
P. odoriferum
+
+
+
+
-
+
-
P. wasabiae
d
-
+
-
-
-
-
Differential characters of the species:
Legend: +  positive 90-100%, - negative 90-100%, [+] positive 75-89%, [-] negative 75-89%, d positive 25-74% of strains
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