| Gallibacterium trehalosifermentans |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Pasteurellales, Family Pasteurellaceae, Genus
Gallibacterium, Gallibacterium trehalosifermentans Bisgaard, Korczak, Busse, Kuhnert, Bojesen and Christensen 2009.
Synonym: Bisgaard Taxon 2/3, 1982.
Gallibacterium, Gallibacterium trehalosifermentans Bisgaard, Korczak, Busse, Kuhnert, Bojesen and Christensen 2009.
Synonym: Bisgaard Taxon 2/3, 1982.
Gram-negative, usually bipolar, nonmotile cocobacilli, occuring singly or in pairs.
Colonies on bovine-blood agar are non-haemolytic, greyish, non-transparent ,
smooth and shiny, circular, slightly raised with entire margin and 1-2 mm in diameter
after 24-48 h at 37 ºC; adherence to the agar is absent and the consistency of the
colonies is unguent-like. Facultative anaerobic or microaerophilic. Pigment is not
formed. No V-factor requirement. No growth on MacConkey..
smooth and shiny, circular, slightly raised with entire margin and 1-2 mm in diameter
after 24-48 h at 37 ºC; adherence to the agar is absent and the consistency of the
colonies is unguent-like. Facultative anaerobic or microaerophilic. Pigment is not
formed. No V-factor requirement. No growth on MacConkey..
Isolated from septicaemia in budgerigars.
Negative in symbiotic growth.
Negative in symbiotic growth.
Associated with septicaemia in budgerigars.
- Bisgaard M, Korczak BM, Busse HJ, Kuhnert P, Bojesen and Christensen H, 2009. Classification of the taxon 2 and taxon 3
complex of Bisgaard within Gallibacterium and description of Gallibacterium melopsittaci sp. nov., Gallibacterium
trehalosifermentans sp. nov. and Gallibacterium salpingitidis sp. nov. IJSEM 59, 735-744.
Description is based mostly on API 20E, API STAPH, and API ZYM results.
Positive results for acid and alkaline phosphatase, alanine aminopeptidase, alpha-glucosidase (PNPG), alpha-galactosidase,
methyl red, nitrates reduction, acid production from dulcitol, fructose, L-fucose (in 1-14 days), galactose, glucose (without gas
production), mannitol, mannose, melibiose (in 1-14 days), raffinose, ribose (in 1-14 days), sorbitol, sucrose, trehalose, and xylose.
Negative results for arginine dehydrolase, alpha-fucosidase, gelatinase, H2S (TSI), indole production, beta-galactosidase (ONPG),
beta-glucuronidase, lysine decarboxylase, ornithine decarboxylase, phenylalanine deaminase, alpha-mannosidase, citrate
(Simmons), Tween 20 and 80 hydrolysis, urease, Voges-Proskauer test, acid production from adonitol, amygdalin, arbutin, D- and
L-arabitol, L-arabinose, cellobiose, dextrin, erythritol, esculin, D-fucose, beta-gentiobiose, glycogen, gluconate, inulin, 2- and
5-ketogluconate, lactose, D-lyxose, maltose, melezitose, rhamnose, salicin, sorbose, starch, tagatose, turanose, xylitol,
N-acetylglucosamine, and methyl alpha-D-glucopyranoside.
Variable results for catalase, oxidase, beta-xylosidase (ONPX), acid production from D-arabinose, glycerol, and inositol.
Positive results for acid and alkaline phosphatase, alanine aminopeptidase, alpha-glucosidase (PNPG), alpha-galactosidase,
methyl red, nitrates reduction, acid production from dulcitol, fructose, L-fucose (in 1-14 days), galactose, glucose (without gas
production), mannitol, mannose, melibiose (in 1-14 days), raffinose, ribose (in 1-14 days), sorbitol, sucrose, trehalose, and xylose.
Negative results for arginine dehydrolase, alpha-fucosidase, gelatinase, H2S (TSI), indole production, beta-galactosidase (ONPG),
beta-glucuronidase, lysine decarboxylase, ornithine decarboxylase, phenylalanine deaminase, alpha-mannosidase, citrate
(Simmons), Tween 20 and 80 hydrolysis, urease, Voges-Proskauer test, acid production from adonitol, amygdalin, arbutin, D- and
L-arabitol, L-arabinose, cellobiose, dextrin, erythritol, esculin, D-fucose, beta-gentiobiose, glycogen, gluconate, inulin, 2- and
5-ketogluconate, lactose, D-lyxose, maltose, melezitose, rhamnose, salicin, sorbose, starch, tagatose, turanose, xylitol,
N-acetylglucosamine, and methyl alpha-D-glucopyranoside.
Variable results for catalase, oxidase, beta-xylosidase (ONPX), acid production from D-arabinose, glycerol, and inositol.
(c) Costin Stoica
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