| Pectobacterium cacticida |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Enterobacterales, Family Pectobacteriaceae, Genus
Pectobacterium, Pectobacterium cacticida corrig. (Alcorn et al. 1991) Hauben et al. 1999.
Basonym: Erwinia cacticida Alcorn et al. 1991.
Pectobacterium, Pectobacterium cacticida corrig. (Alcorn et al. 1991) Hauben et al. 1999.
Basonym: Erwinia cacticida Alcorn et al. 1991.
Gram-negative rods, motile (peritrichous flagella), 0.5-1.0 x 1-3 µm. Occur singly or in
pairs.
pairs.
Colonies are small, smooth, glistening, circular, entire, slightly convex, ivory, and
translucent, and frequently have striations.They produce a distinct odor and become
opaque, offwhite, and butyrous with age.
Facultatively anaerobic. Optimum growth temperature 26-30 ºC. Can grow over 40 ºC.
translucent, and frequently have striations.They produce a distinct odor and become
opaque, offwhite, and butyrous with age.
Facultatively anaerobic. Optimum growth temperature 26-30 ºC. Can grow over 40 ºC.
Isolated from cactus (Opuntia).
Causes soft rotting of cacti. Experimentally caused soft rot of saguaro, organ pipe, senita cacti, tomato fruits, potato slices, and slices
of carrot roots.
of carrot roots.
- 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. - Alcorn (S.M.) et al. : Taxonomy and pathogenicity of Erwinia cacticida sp. nov. Int. J. Syst. Bacteriol., 1991, 41, 197-212.ð
Hauben (L.), et al.: Phylogenetic position of phytopathogens within the Enterobacteriaceae. Syst. Appl. Microbiol., 1998, 21, 384-
397. - 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.
Positive results for catalase, nitrates reduction, esculin hydrolysis, acetate utilization, acid production from: glucose, mannitol,
rhamnose, sucrose and salicin.
Negative results for oxidase, indole production, arginine dihydrolase, lysine decarboxylase, ornithine decarboxylase, urea hydrolysis
and acid production from adonitol.
rhamnose, sucrose and salicin.
Negative results for oxidase, indole production, arginine dihydrolase, lysine decarboxylase, ornithine decarboxylase, urea hydrolysis
and acid production from adonitol.
(c) Costin Stoica
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Differential characters of the close species:
Legend: + positive 90-100%, - negative 90-100%, [+] positive 75-89%, [-] negative 75-89%, d positive 25-74% of strains
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