Colonies are circular, convex, smooth and creamish-yellow pigmented. Violacein is
not produced. Growth temperature range is 12-37 ºC, 30 ºC optimum. No growth at 42
ºC. Range of pH is 5.0-10.0, 8.0 optimum. Grows in up to 2% NaCl. Grows on TSA.
Facultative anaerobe.
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Proteobacteria, Class Betaproteobacteria, Order Neisseriales, Family Chromobacteriaceae, Genus Chromobacterium,
Chromobacterium alkanivorans
Bajaj et al. 2016.
Gram-negative rods, 0.3-0.6x 0.8-2.4 μm. Motile.
Isolated from soil collected from an industrial site in Eloor in the Cochin region of Southern India. Resistant to O/129 agent.
Capable of degrading 1-chlorobutane, 1-chloropropane and 1,2-dichlorethane.
Undetermined.
  1. Bajaj A, Kumar A, Yadav S, Kaur G, Bala M, Singh N, Mathan Kumar R, Manickam N, Mayilraj S. 2016. Isolation and
    characterization of a novel Gram-negative bacterium Chromobacterium alkanivorans sp. nov., strain IITR-71T degrading
    halogenated alkanes. Int J Syst Evol Microbiol 66(12):5228-5235 doi:10.1099/ijsem.0.001500.
  2. Euzeby (J.P.): List of Bacterial Names with Standing in Nomenclature: a folder available on the Internet. Int. J. Syst. Bacteriol.,
    1997, 47, 590-592. (List of Prokaryotic names with Standing in Nomenclature. http://www.bacterio.net).
Positive results for catalase, casein hydrolysis, gelatin hydrolysis, gamma-glutamyl-
transferase, phosphatase, urease, acid production from:  fructose, glucose,
myo-inositol, mannose, sorbitol & trehalose.
Can utilize: D-arabitol, citrate
(sodium), dextrin, glycogen, gamma-aminobutyric acid, myo-inositol, beta–hydroxybutyric acid, alpha-
ketoglutaric acid, hydroxy-L-proline, monomethyl succinate, L-leucine, putrescine, D-sorbitol, bromosuccnic acid, L-alaninamide & D-
glucose-6-phosphate.

Negative results for alpha- and beta-galactosidase, glycine arylamidase, ornithine decarboxylase, lysine decarboxylase, L-histidine
assimilation, beta-glucuronidase, H
2S production, indole production, methyl red reduction, nitrate reduction, oxidase, Voges-
Proskauer test, acid production from: adonitol, arabinose, cellobiose, dulcitol, galactose, inulin, lactose, mannitol, maltose,
melibiose, raffinose, rhamnose, salicin, sucrose & xylose.
No utilization of glycyl-L-glutamic acid, D-mannitol, methyl pyruvate, L-threonine, L-phenylalanine, L-alanyl-glycine & D-L-alpha-
glycerol phosphate.
Chromobacterium alkanivorans
(c) Costin Stoica
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