Brackiella oedipodis
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Proteobacteria, Class Betaproteobacteria, Order Burkholderiales, Family Alcaligenaceae, Genus Brackiella, Brackiella
oedipodis
Willems et al. 2002, type species of the genus.

Species description is based on a single isolate.
Gram-negative coccoid rods, 0.9-1.1 x 1.8 µm . Non-motile. Cell is surrounded by
densely studded fimbriae 280 nm in length, but flagella are not produced.
After 24 h incubation, two types of colonies were observed: a small type (colony
diameter up to 0.5 mm) and a large type (colony diameter up to 1 mm). After 2 days
growth, colonies of both types attained diameters of 1-2 mm. Colonies are
greyish-white, slightly crumbled and brittling. Grows at  temperatures in the range
30-37 ºC, but not at 4, 20 or 42 ºC.
Grows on tryptic soy agar with 5% sheep blood, under aerobic conditions. Aerobic to
microaerophilic, as shown by improved growth in the atmosphere of a candle jar. No
anaerobic growth. No haemolysis produced. No growth on MacConkey agar, King B
agar, cetrimide agar, acetamide agar, milk agar or in 6.5% NaCl broth.
Isolated from the heart of a cotton-topped tamarin that had died suddenly during a tooth extraction.
Susceptible to: amikacin, ampicillin, cefotaxime, cefotiam, cefoxitin, ceftazidime, chloramphenicol, ciprofloxacin, gentamicin, kanamycin,
mezlocillin, mezlocillin+sulbactam, nalidixic acid, tetracycline, streptomycin, sulfamerazine and trimethoprim+sulfamerazine.
Isolated from the heart of a cotton-topped tamarin with endocarditis.
  1. Willems (A.), Gilhaus (H.), Beer (W.), Mietke (H.), Gelderblom (H.R.), Burghardt (B.), Voigt (W.) And Reissbrodt (R.): Brackiella
    oedipodis gen. nov., sp. nov., Gram-negative, oxidase-positive rods that cause endocarditis of cotton-topped tamarin (Saguinus
    oedipus). Int. J. Syst. Evol. Microbiol., 2002, 52, 179-186.
Positive results for alanine aminopeptidase, catalase, nitrate reduction to nitrite, methyl red, ornithine decarboxylase, oxidase, starch
hydrolysis, production of acid from: mannose & maltose.
Can utilize: Tween 40, Tween 80, methyl pyruvate, cis-aconitic acid, formic acid, alpha-hydroxybutyric acid, beta-hydroxybutyric acid,
gamma-hydroxybutyric acid, alpha-ketobutyric acid, alpha-ketoglutaric acid, alpha-ketovaleric acid, DL-lactic acid, sebacic acid,
succinic acid, bromosuccinic acid, succinamic acid, D-alanine, L-glutamic acid, glycyl-L-glutamic acid & L-serine.

Negative results for arginine dihydrolase, Simmon’s citrate, H
2S (Kligler) production, indole production, growth on KCN, esculin
hydrolysis, DNase, lipase, gelatinase, beta-galactosidase, beta-glucuronidase, lysine decarboxylase, phenylalanine deaminase,
pyrase, Tween 80 hydrolysis, urease, Voges–Proskauer test, acid production from: glucose, methyl alpha-D-glucoside, adonitol,
cellobiose,  D-sorbitol, dulcitol, D-xylose, erythritol, glycerol, lactose, L-arabinose, L-rhamnose, mannitol, melibiose, mucate, myo-
inositol, raffinose, saccharose, salicin & trehalose.
No utilization of acetate, malonate & tartrate (Jordan).
(c) Costin Stoica
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