| Bisgaardia hudsonensis |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Pasteurellales, Family Pasteurellaceae, Genus
Bisgaardia, Bisgaardia hudsonensis Foster et al. 2011, type species of the genus.
Bisgaardia, Bisgaardia hudsonensis Foster et al. 2011, type species of the genus.
Gram-negative, pleomorphic rods. Non-motile.
Colonies on CSBA are circular, entire, low convex, smooth, grey and attain a diameter
of 0.5 mm after 48 h of aerobic incubation at 37 ºC. Non-haemolytic. Growth occurs on
media without blood or serum. Growth occurs at 22 ºC, but not at 42 ºC. Does not
grow on MacConkey agar. Facultatively anaerobic.
of 0.5 mm after 48 h of aerobic incubation at 37 ºC. Non-haemolytic. Growth occurs on
media without blood or serum. Growth occurs at 22 ºC, but not at 42 ºC. Does not
grow on MacConkey agar. Facultatively anaerobic.
Isolated from lungs and other tissues of seals.
Pathological significance is unknown.
- Foster G, Higgins R, Leclair D, Korczak BM, Mikaelian I, Patterson IA, Kuhnert P. Proposal of Bisgaardia hudsonensis gen. nov., sp.
nov. and an additional genomospecies, isolated from seals, as new members of the family Pasteurellaceae. Int J Syst Evol
Microbiol 2011; 61:3016-3022.
Positive results for acid and alkaline phosphatase, catalase, alpha-fucosidase,
leucine arylamidase, naphthol-AS-BI-phosphohydrolase, nitrate reduction, oxidase,
acid production from: D-galactose, glucose (without gas), myo-inositol, D-mannitol, mannose, maltose, D-sorbitol, salicin, sucrose
and trehalose.
Negative results for arginine dihydrolase, gelatin hydrolysis, alpha- and beta-glucosidase, H2S production, indole production, cystine
arylamidase, trypsin, chymotrypsin, phosphoamidase, alpha- and beta-galactosidase, beta-glucuronidase, beta-glucosaminidase,
alpha-mannosidase, esterase (C4), esterase lipase (C8), lipase (C14), lysine decarboxylase, ornithine decarboxylase, urease, valine
arylamidase, Voges-Proskauer reaction, acid production from: adonitol, L-arabitol, cellobiose, dulcitol, lactose, melibiose, raffinose,
L-rhamnose, starch (glycogen) and D-xylose.
Variable results for acid production from D-ribose.
leucine arylamidase, naphthol-AS-BI-phosphohydrolase, nitrate reduction, oxidase,
acid production from: D-galactose, glucose (without gas), myo-inositol, D-mannitol, mannose, maltose, D-sorbitol, salicin, sucrose
and trehalose.
Negative results for arginine dihydrolase, gelatin hydrolysis, alpha- and beta-glucosidase, H2S production, indole production, cystine
arylamidase, trypsin, chymotrypsin, phosphoamidase, alpha- and beta-galactosidase, beta-glucuronidase, beta-glucosaminidase,
alpha-mannosidase, esterase (C4), esterase lipase (C8), lipase (C14), lysine decarboxylase, ornithine decarboxylase, urease, valine
arylamidase, Voges-Proskauer reaction, acid production from: adonitol, L-arabitol, cellobiose, dulcitol, lactose, melibiose, raffinose,
L-rhamnose, starch (glycogen) and D-xylose.
Variable results for acid production from D-ribose.
(c) Costin Stoica
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