Legend: + positive 90-100%, - negative 90-100%, d positive 25-74% of strains
| Acinetobacter calcoaceticus |
|
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Pseudomonadales, Family Moraxellaceae, Genus
Acinetobacter, Acinetobacter calcoaceticus (Beijerinck 1911) Baumann et al. 1968. Type species of the genus.
Old synonym: Micrococcus calco-aceticus Beijerinck 1911.
Acinetobacter, Acinetobacter calcoaceticus (Beijerinck 1911) Baumann et al. 1968. Type species of the genus.
Old synonym: Micrococcus calco-aceticus Beijerinck 1911.
Gram-negative rods (0.9-1.6-1.5 x 1.5-2.5 μm), becoming spherical in the stationary
phase of growth. Grouped in pairs or chains. Aerobic. Non-motile but cells display
“twitching motility”. Non-sporulated.
phase of growth. Grouped in pairs or chains. Aerobic. Non-motile but cells display
“twitching motility”. Non-sporulated.
Colonies on tryptocasein soy agar are circular, convex, smooth, and slightly opaque
with entire margins; colonies are 0.5 to 1.5 mm in diameter after 24 h and 2.5 to 3.5
mm in diameter after 48 h at 30 ºC. Nonhemolytic on sheep blood agar. Good growth
occurs at 15 to 37 ºC in 24h. No growth occurs at 41 ºC.
with entire margins; colonies are 0.5 to 1.5 mm in diameter after 24 h and 2.5 to 3.5
mm in diameter after 48 h at 30 ºC. Nonhemolytic on sheep blood agar. Good growth
occurs at 15 to 37 ºC in 24h. No growth occurs at 41 ºC.
Isolated from soil.
Unknown.
- Elliot Juni and Kjell Bovre. Order IX Pseudomonadales Orla-Jensen 1921, Family II Moraxellaceae Rossau, Van Landschoot,
Gillis and De Ley 1991 In: Bergey’s Manual of Systematic Bacteriology, Second edition,Vol two, part B, George M. Garrity (Editor-in-
Chief), pp. 411-442. - Philippe J. M. Bouvet and Patrick A. D. Grimont. Taxonomy of the Genus Acinetobacter with the Recognition of Acinetobacter
baumannii sp. nov., Acinetobacter haemolyticus sp. nov., Acinetobacter johnsonii sp. nov., and Acinetobacter junii sp. nov. and
Emended Descriptions of Acinetobacter calcoaceticus and Acinetobacter lwoffii. Int J Syst Bacteriol April 1986 36:228-240.
Positive results for catalase, gamma-glutamyltransferase, utilization of: L-arabinose, D-ribose, beta-alanine, DL-lactate, glutarate,
L-aspartate, L-tyrosine, ethanol, 2,3-butanediol, DL-4-aminobutyrate, L-phenylalanine, phenylacetate, L-histidine, azelate,
trans-aconitate, L-arginine and L-ornithine.
Acid is produced from D-glucose by most strains.
Negative results for gelatin hydrolysis, nitrates reduction, oxidase, indole production, H2S production, phenylalanine deaminase,
amylase, DNase, beta-galactosidase, beta-xylosidase and urease. D-malate and histamine are not utilized.
Utilization of L-Leucine is variable.
L-aspartate, L-tyrosine, ethanol, 2,3-butanediol, DL-4-aminobutyrate, L-phenylalanine, phenylacetate, L-histidine, azelate,
trans-aconitate, L-arginine and L-ornithine.
Acid is produced from D-glucose by most strains.
Negative results for gelatin hydrolysis, nitrates reduction, oxidase, indole production, H2S production, phenylalanine deaminase,
amylase, DNase, beta-galactosidase, beta-xylosidase and urease. D-malate and histamine are not utilized.
Utilization of L-Leucine is variable.
(c) Costin Stoica
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