Colonies are ivory-coloured, round and convex, 1.8-2.2 mm in diameter, on R2A
medium after 48h incubation at 25 ºC. Growth occurs at 15-37 ºC (optimum, 30 ºC).
Grows at pH 7.0-9.0 (optimum 7.0) and with 0-0.5% NaCl. Strictly aerobic.
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Proteobacteria, Class Betaproteobacteria, Order Neisseriales, Family Chromobacteriaceae, Genus Andreprevotia,
Andreprevotia lacus
Sheu et al. 2009.
Gram-negative rods, 0.5 x 1.0-2.0 μm. Motile by a polar flagellum. Nonsporeforming.
Poly-beta-hydroxybutyrate granules are accumulated.
Isolated from a fish-culture pond located in Taoyuan County, Taiwan.
Susceptible to tetracycline, kanamycin, rifampicin, gentamicin, chloramphenicol, nalidixic acid, novobiocin and streptomycin.
Resistant to ampicillin, penicillin G and sulfamethoxazole + trimethoprim.
Undetermined.
  1. Sheu S.Y., Chiu T.F., Chou J.H., Sheu D.S., Arun A.B., Young C.C., Chen C.A., Wang J.T. and Chen W.M.: Andreprevotia lacus sp.
    nov., isolated from a fish-culture pond. Int. J. Syst. Evol. Microbiol., 2009, 59, 2482-2485.
  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).
Most results are based on  API 20 NE, API ZYM and API 50 CH test strips.

Positive results for acid and alkaline phosphatase, arginine dihydrolase, catalase, chitin hydrolysis, C4 esterase, C8 esterase lipase,
alpha-glucosidase, N-acetyl-beta-glucosaminidase, leucine arylamidase, nitrate reduction, oxidase, protease, urease & acid
production from glucose.
Can assimilate: glucose, arabinose, mannose, mannitol, N-acetylglucosamine, maltose, adipate, malate & citrate.
Can utilize in the API 50 CH: D-ribose, D-galactose, D-glucose, D-fructose, D-mannose, N-acetylglucosamine, D-lyxose & potassium
5-ketogluconate.

Negative results for casein hydrolysis, DNase, esculin hydrolysis, alpha-fucosidase, alpha- and beta-galactosidase (positive in API
20 NE), beta-glucuronidase, beta-glucosidase, indole production, lipase (corn oil), C14 lipase, alpha-mannosidase, trypsin,
alpha-chymotrypsin, Tweens 20, 40, 60 and 80 hydrolysis, starch hydrolysis, CM-cellulose hydrolysis, tyrosine hydrolysis, valine
arylamidase & cystine arylamidase.
No assimilation of: phenylacetate, gluconate & caprate.
No utilization in API 50 CH: glycerol, erythritol, D- and L-arabinose, D- and L-xylose, adonitol, methyl beta-D-xylopyranoside,
L-sorbose, L-rhamnose, dulcitol, inositol, D-mannitol, D-sorbitol, methyl alpha-D-mannopyranoside, methyl alpha-D-glucoside,
amygdalin, arbutin, aesculin ferric citrate, salicin, cellobiose, maltose, D-lactose, melibiose, sucrose, trehalose, inulin, melezitose,
raffinose, starch, glycogen, xylitol, beta-gentiobiose, turanose, D-tagatose, D- and L-fucose, D- and L-arabitol, potassium gluconate &
potassium 2-ketogluconate.
Andreprevotia lacus
(c) Costin Stoica
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