Biberstenia (Pasteurella) trehalosi
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Proteobacteria, Class Gammaproteobacteria, Order Pasteurellales, Family Pasteurellaceae, Genus Biberstenia, Bibersteinia
trehalosi
(Sneath and Stevens 1990) Blackall et al. 2007, type species of the genus.
Old synonym:
Pasteurella trehalosi Sneath and Stevans, 1990.
Species
incertae sedis; the species includes the biovar T of the former Pasteurella haemolytica.
Gram-negative small rods and coccobacilli.
Colonies are beta-hemolytic on sheep blood agar and  V-factor independent.
Growth on MacConkey is positive.
Present in nasopharynx and tonsils (almonds) of sheep & goats.
Mastitis in sheep and septicaemia in lambs. Rarely human infections.
  1. R. Mutters, H. Christensen, M. Bisgaard, 2004. Genus I. Pasteurella. In:  Bergey’s Manual of Systematic Bacteriology, Second
    edition,Vol two, part B, George M. Garrity (Editor-in-Chief), pp. 857-866.
  2. W.M. Janda, R. Mutters, 2006. Pasteurella, Mannheimia, Actinobacillus, Eikenella, Kingella, Capnocytophaga, and other
    miscellaneous Gram-negative rods. In: Topley & Wilson’s Microbiology and Microbial Infections, 10 edition, Vol. 2, Bacteriology,
    Edward Arnold Ltd.
  3. J. G. Holt et al., 1994. Facultatively Anaerobic Gram-Negative Rods. Subgroup 3. Family Pasteurellaceae. In: Begey’s Manual of
    Determinative Bacteriology, 9th-edition, Williams & Wilkins, pp 194-196.
  4. G.M. Mihancea, V. Alecu, L.A. Sicinschi, D. Buiuc, M. Negut, O. Vizitiu, 1999. Identificarea bacililor Gram-negativi aerobi sau
    facultativi anaerobi pretentiosi nutritiv. In: D. Buiuc, M. Negut (Ed.),Tratat de Microbiologie Clinica, Ed. Medicala, Bucuresti, 797-860.
Positive results for nitrates reduction, oxidase, alkaline phosphatase, acid production
from: meso-inositol, mannitol, D(-) sorbitol, D(+) glucose (without gas), D(+)
mannose, maltose, sucrose (saccharose), trehalose, esculin & salicin.

Negative results for catalase, gelatinase, urease, lysine decarboxylase, ornithine
decarboxylase, arginine dyhydrolase, ONPG, Voges-Proskauer, indole production,
acid production from: inulin, L(+) arabinose, D(+)
xylose, dulcitol, D(+) galactose,
lactose, D(+) melibiose, raffinose & gas from D(+) glucose.

Acid production from cellobiose is variable.
(c) Costin Stoica
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