| Conchiformibius steedae |
Aerobe. Can grow at 37 ºC, but not at 27 or 43 ºC. Grows at pH 8.0 and at 1.5% NaCl.
Beta-hemolysis.
Beta-hemolysis.
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Betaproteobacteria, Order Neisseriales, Family Neisseriaceae, Genus
Conchiformibius, Conchiformibius steedae corrig. (Kuhn and Gregory 1979) Xie and Yokota 2005, type species of the genus.
Old synonym: Simonsiella steedae Kuhn and Gregory 1979.
Conchiformibius, Conchiformibius steedae corrig. (Kuhn and Gregory 1979) Xie and Yokota 2005, type species of the genus.
Old synonym: Simonsiella steedae Kuhn and Gregory 1979.
Gram-negative cell wall. Grouped in multicellular filaments. The long axis of the cells
(width of filament) varies from 2.5 to 7.1 μm, with an average of about 3.1-3.8 μm; the
short axis (length of individual cell) varies from 0.7 to 1.3 μm, with an average of about
1.1 μm. Gliding motility.
(width of filament) varies from 2.5 to 7.1 μm, with an average of about 3.1-3.8 μm; the
short axis (length of individual cell) varies from 0.7 to 1.3 μm, with an average of about
1.1 μm. Gliding motility.
Isolated from the oral cavity of dogs.
Undetermined.
- Tone Tonjum, 2005. Order IV. Neisseriales ord. nov. In: Bergey’s Manual of Systematic Bacteriology, Second edition, Vol two, part C
The Alpha-, Beta-, Delta-, and Epsilonproteobacteria, George M. Garrity (Editor-in-Chief), pp 774-863. - Xie (C.H.) and Yokota (A.): Phylogenetic analysis of Alysiella and related genera of Neisseriaceae: proposal of Alysiella crassa
comb. nov., Conchiformibium steedae gen. nov., comb. nov., Conchiformibium kuhniae sp. nov. and Bergeriella denitrificans gen.
nov., comb. nov. J. Gen. Appl. Microbiol., 2005, 51, 1-10.
Some results are based on API ZYM test.
Positive results for catalase, nitrate reduction, and oxidase.
Negative results for alkaline phosphatase, arginine dihydrolase, casein hydrolysis, esculin hydrolysis, hippurate hydrolysis, gelatin
hydrolysis, glutamyltransferase, indole production, lysine decarboxylase, nitrite reduction, omithine decarboxylase, ONPG, starch
hydrolysis, urease, alpha-fucosidase, lipase (C14), alpha-chymotrypsin, alpha- and beta-galactosidase, beta-glucuronidase, N-
acetyl-beta-glucosaminidase, alpha-mannosidase, trypsin, acid production from: arabinose, adonitol, dulcitol, dextrose, esculin,
fructose, galactose, glucose, lactose, maltose, malonate, mannitol, mannose, raffinose, rhamnose, ribose, salicin, sorbose,
sucrose, trehalose, and xylose.
Variable results for H2S production.
Positive results for catalase, nitrate reduction, and oxidase.
Negative results for alkaline phosphatase, arginine dihydrolase, casein hydrolysis, esculin hydrolysis, hippurate hydrolysis, gelatin
hydrolysis, glutamyltransferase, indole production, lysine decarboxylase, nitrite reduction, omithine decarboxylase, ONPG, starch
hydrolysis, urease, alpha-fucosidase, lipase (C14), alpha-chymotrypsin, alpha- and beta-galactosidase, beta-glucuronidase, N-
acetyl-beta-glucosaminidase, alpha-mannosidase, trypsin, acid production from: arabinose, adonitol, dulcitol, dextrose, esculin,
fructose, galactose, glucose, lactose, maltose, malonate, mannitol, mannose, raffinose, rhamnose, ribose, salicin, sorbose,
sucrose, trehalose, and xylose.
Variable results for H2S production.
(c) Costin Stoica
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