| Erwinia mallotivora |
|
Legend: + positive 90-100%, - negative 90-100%, [+] positive 75-89%, [-] negative 75-89%, d positive 25-74% of strains
Differential characters:
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Enterobacterales, Family Erwiniaceae, Genus Erwinia,
Erwinia mallotivora, Goto 1976 emend. Hauben et al. 1998.
Erwinia mallotivora, Goto 1976 emend. Hauben et al. 1998.
Gram negative, straight bacilli, motile by peritrichous flagella.
Colonies on nutrient agar without sucrose are 1.5 mm in diameter, white, raised,
transparent, and circular with smooth surfaces and entire margins after 2 days.
Colonies on nutrient agar with 5% sucrose are flat, white, circular with entire margins
and smooth surfaces, butyrous, and transparent after 1 day; after 4 days colonies are
domed, circular, white, mucoid, and translucent, and sometimes possess radial
striations. Facultatively anaerobic. Maximum growth temperature 32-33 ºC. No growth
at 36 ºC or in 5% NaCl. No growth in KCN broth.
transparent, and circular with smooth surfaces and entire margins after 2 days.
Colonies on nutrient agar with 5% sucrose are flat, white, circular with entire margins
and smooth surfaces, butyrous, and transparent after 1 day; after 4 days colonies are
domed, circular, white, mucoid, and translucent, and sometimes possess radial
striations. Facultatively anaerobic. Maximum growth temperature 32-33 ºC. No growth
at 36 ºC or in 5% NaCl. No growth in KCN broth.
Isolated from leaf spot lesions of Akamegashiwa, Mongolian oak (Mallotus japonicus).
Produces black leaf spot in Mallotus japonicus tree.
- 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. - Goto M. Erwinia mallotivora sp. nov., the causal organism of bacterial leaf spot of Mallotus japonicus Muell. Arg. International
Journal of Systematic Bacteriology 1976; 26:467-473.
Positive results for catalase, Voges-Proskauer test, acid production from fructose, cellobiose, glucose, galactose, mannose, glycerol,
mannitol, D-mannose, beta-methylglucoside, and D-ribose.
Can utilize citrate and acetate.
Negative results for arginine dihydrolase, casein hydrolysis, esculin hydrolysis, H2S production, indole production, nitrate reduction to
nitrite, pectinase, oxidase, urease, acid production from L-arabinose, cellobiose, esculin, gentiobiose, inulin, lactose,
alpha-methylglucoside, maltose, melezitose, melibiose, L-rhamnose, and starch.
No utilization of malonate and tartrate.
Variable results for gelatin liquefaction, acid production from dulcitol, myo-inositol, raffinose, salicin, trehalose and D-xylose.
mannitol, D-mannose, beta-methylglucoside, and D-ribose.
Can utilize citrate and acetate.
Negative results for arginine dihydrolase, casein hydrolysis, esculin hydrolysis, H2S production, indole production, nitrate reduction to
nitrite, pectinase, oxidase, urease, acid production from L-arabinose, cellobiose, esculin, gentiobiose, inulin, lactose,
alpha-methylglucoside, maltose, melezitose, melibiose, L-rhamnose, and starch.
No utilization of malonate and tartrate.
Variable results for gelatin liquefaction, acid production from dulcitol, myo-inositol, raffinose, salicin, trehalose and D-xylose.
(c) Costin Stoica
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