Castellaniella hirudinis
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Proteobacteria, Class Betaproteobacteria, Order Burkholderiales, Family Alcaligenaceae, Genus Castellaniella,
Castellaniella hirudinis Glaeser et al. 2013.
Gram-negative rods, 0.5 x 1.0 μm. Non-spore-forming. Motile.
Colonies are beige, translucent and shiny with entire edges, approximately 1 mm in
diameter within 24 h of incubation. Good growth occurs on R2A agar, TSA, PYE agar
and nutrient agar at 25-30
ºC. Grows on TSA at 15-37 ºC, but not at 10 or 42 ºC.
Grows between pH 5.5-11.0, but not at pH 5.0 or pH 11.5.
Isolated from the skin of the medical leech Hirudo verbana in the Leech Breeding Station, Biebertal, Germany.
Undetermined.
  1. Glaeser (S.P.), Galatis (H.), Martin (K.) and Kampfer (P.): Castellaniella hirudinis sp. nov., isolated from the skin of Hirudo verbana.
    Int. J. Syst. Evol. Microbiol., 2013, 63, 521-525.
  2. BacDive – The Bacterial Diversity Metadatabase in 2016. Söhngen C, Podstawka A, Bunk B, Gleim D, Vetcininova A, Reimer LC,
    Overmann J. Nucleic Acids Res 2016;(44 (Database issue)):D581–D585; doi:10.1093/nar/gkv983
Positive results for catalase, nitrate reduction & oxidase.
Can utilize: caprate, D-glucose, maltose, D-mannose, D-fructose, N-acetylglucosamine, L-arabinose, L-arbutin, cellobiose,
D-galactose, gluconate, sucrose, acetate, propionate, fumarate, DL-lactate, malate, citrate, glutarate, DL-3-hydroxybutyrate, pyruvate,
2-oxoglutarate, L-alanine, beta-alanine, L-ornithine, L-leucine, L-proline, L-aspartate & L-serine.

Negative results for arginine dihydrolase, esculin hydrolysis, gelatin hydrolysis, indole production, PNPG & glucose fermentation.
No utilization of: trehalose, ribose, N-acetylgalactosamine, glycerol, D-mannitol, maltitol, alpha-melibiose, L-rhamnose, D-salicin,
D-xylose, adonitol, myo-inositol, D-sorbitol, putrescine, cis-aconitate, transaconitate, 4-aminobutyrate, adipate, azelate, itaconate,
suberate, mesaconate, L-phenylalanine, L-histidine, L-tryptophan, 3-hydroxybenzoate, 4-hydroxybenzoate, phenylacetate &
5-ketogluconate.
(c) Costin Stoica
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