Acinetobacter guillouiae
Taxonomy
Morphology
Cultural characteristics
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Phylum Proteobacteria, Class Gammaproteobacteria, Order Pseudomonadales, Family Moraxellaceae, Genus Acinetobacter,
Acinetobacter guillouiae
Nemec et al. 2010.
Synonym: Acinetobacter genospecies (genomic species) 11 Bouvet and Grimont 1986.
Gram-negative coccobacilli. Nonmotile. Nonsporulated.
Colonies on tryptic soy agar (TSA; Oxoid) after 24 h incubation at 30 ºC are 1.0–2.0
mm in diameter, circular, convex, smooth and slightly opaque with entire margins.
Growth occurs in BHI (Oxoid) at 25-35 ºC, but not at 38 ºC. Aerobic. Nonhemolytic on
sheep blood agar. Can grow in mineral media with acetate as sole carbon source
and ammonia as sole source of nitrogen.
The type strain was isolated from sewage containing gas-work effluent.
Undetermined.
  1. Alexandr Nemec, Martin Musilek, Ondrej Sedo, Thierry De Baere, Martina Maixnerova, Tanny J. K. van der Reijden, Zbynek Zdrahal,
    Mario Vaneechoutte, and Lenie Dijkshoorn. Acinetobacter bereziniae sp. nov. and Acinetobacter guillouiae sp. nov., to
    accommodate Acinetobacter genomic species 10 and 11, respectively. Int J Syst Evol Microbiol April 2010 60:896-903.
Positive results for catalase, utilization of acetate, ethanol, DL-lactate, azelate, citrate
(Simmons’), glutarate, L-aspartate, 2,3-butanediol, adipate & L-glutamate.

Negative results for oxidase, gelatin hydrolysis, utilization of: L-phenylalanine, laevulinate, citraconate, L-tartrate, L-ornithine, L-
arginine, L-leucine, D-glucose, D-gluconate, D-ribose, L-arabinose & putrescine. Acid is not produced from glucose.

Variable results for utilization of: trans-aconitate, 4-aminobutyrate, beta-alanine, L-histidine, D-malate, histamine, phenylacetate (65
%), 4-hydroxybenzoate, malonate, gentisate, trigonelline, tryptamine, benzoate, & tricarballylate.
(c) Costin Stoica
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