| Plesiomonas shigelloides |
- Don J. Brenner & J.J. Farmer III, 2004, Family I. Enterobacteriaceae, In: Bergey’s Manual of Systematic Bacteriology, Second edition,
Vol two, part B, George M. Garrity (Editor-in-Chief), pp. 740-744.
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Proteobacteria, Class Gammaproteobacteria, Order Enterobacterales, Family Enterobacteriaceae - not assigned, Genus
Plesiomonas, Plesiomonas shigelloides corrig. (Bader 1954) Habs and Schubert 1962, type species of the genus.
Historical synonyms: Pseudomonas shigelloides Bader 1954, Aeromonas shigelloides (Bader 1954) Ewing et al. 1961, Fergusonia
shigelloides (Bader 1954) Sebald and Véron 1963, Pleisomonas shigelloides.
Plesiomonas, Plesiomonas shigelloides corrig. (Bader 1954) Habs and Schubert 1962, type species of the genus.
Historical synonyms: Pseudomonas shigelloides Bader 1954, Aeromonas shigelloides (Bader 1954) Ewing et al. 1961, Fergusonia
shigelloides (Bader 1954) Sebald and Véron 1963, Pleisomonas shigelloides.
Gram-negative rod-shaped cells, 0.8–1.0 x 3.0 µm. Motile.
1.0–2.0 mm flat, colorless colonies on MacConkey, xylose–lysine–desoxycholate,
Hektoen enteric, and desoxycholate agars after 24 h growth. Produce uniform turbidity
in liquid culture, without pellicle formation.
Grows in 6.5% NaCl.
Media: Sheep blood agar, MacConkey agar, Alkaline peptone water, Bile salts-brilliant
green agar, XLD agar, BHI broth.
Incubation temperature 8-40 ºC, optimum 37 ºC.
Hektoen enteric, and desoxycholate agars after 24 h growth. Produce uniform turbidity
in liquid culture, without pellicle formation.
Grows in 6.5% NaCl.
Media: Sheep blood agar, MacConkey agar, Alkaline peptone water, Bile salts-brilliant
green agar, XLD agar, BHI broth.
Incubation temperature 8-40 ºC, optimum 37 ºC.
Isolated from aquatic invertebrates (shellfish, crustaceans), amphibians (newts, salamanders, toads) and land animals (snakes,
birds, mice, raccoons, dogs, cats, pigs, goats, sheep, cattle, monkeys). In humans and domestic animals was isolated from the
intestines of healthy subjects and diarrhea samples.
Susceptible to 2,4-diamino-6,7-diisopropylpteridine (O/129 agent).
birds, mice, raccoons, dogs, cats, pigs, goats, sheep, cattle, monkeys). In humans and domestic animals was isolated from the
intestines of healthy subjects and diarrhea samples.
Susceptible to 2,4-diamino-6,7-diisopropylpteridine (O/129 agent).
Associated with diarrhea and extra-intestinal infections in humans. May cause septicemia in immunosuppressed organisms.
Positive results for: oxidase, catalase, nitrates reduction, lysine decarboxylase ornithine decarboxylase, arginine dihydrolase,
ONPG, indole production, acid production from D-glucose (without gas), glycerol, inositol, maltose, and trehalose.
Negative results for: starch hydrolysis, growth in KCN, H2S production on TSI, Voges-Proskauer, urease, esculin hydrolysis,
gelatinase, lecithinase, acid production from starch, adonitol, amygdalin, arabinose, cellobiose, esculin, fructose, glycogen, inulin,
mannitol, melezitose, raffinose, rhamnose, saccharose, sorbitol & xylose. Citrate, gluconate, malonate, and mucate are not utilized.
ONPG, indole production, acid production from D-glucose (without gas), glycerol, inositol, maltose, and trehalose.
Negative results for: starch hydrolysis, growth in KCN, H2S production on TSI, Voges-Proskauer, urease, esculin hydrolysis,
gelatinase, lecithinase, acid production from starch, adonitol, amygdalin, arabinose, cellobiose, esculin, fructose, glycogen, inulin,
mannitol, melezitose, raffinose, rhamnose, saccharose, sorbitol & xylose. Citrate, gluconate, malonate, and mucate are not utilized.
(c) Costin Stoica
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