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.
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.
- 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.
- 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-
Negative results for alpha- and beta-galactosidase, glycine arylamidase, ornithine decarboxylase, lysine decarboxylase, L-histidine
assimilation, beta-glucuronidase, H2S 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-
(c) Costin Stoica