| Gallibacterium trehalosifermentans |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum 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 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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