Colonies on R2A agar, after 48 h of incubation at 30 ºC, are yellow, convex, round and
smooth with entire edges, 1.2-1.4 mm in diameter. Growth occurs at  15-40 ºC,
optimally at 30 ºC. Grows in pH 5.0-8.0, optimally in pH 8.0. Grows in 0-2% NaCl,
optimally in 0%. Facultatively anaerobic. Can grow on MacConkey agar.
Taxonomy
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References
Phylum Proteobacteria, Class Betaproteobacteria, Order Neisseriales, Family Chromobacteriaceae, Genus Paludibacterium,
Paludibacterium paludis Sheu et al. 2014.
Gram-negative, curved rods, 0.6-0.8 x 2.0-5.0 μm, occuring singly or in pairs. Motile by
means of a single polar flagellum.  Non-spore-forming. Poly-beta-hydroxybutyrate is
accumulated.
Isolated from the water of the Banping Lake Wetland Park in the vicinity of Kaohsiung City, Taiwan.
Resistant to penicillin G and ampicillin. Sensitive to nalidixic acid, chloramphenicol, gentamicin, rifampicin, tetracycline, novobiocin,
kanamycin, streptomycin, and sulfamethoxazole + trimethoprim.
Undetermined.
  1. Sheu, S.-Y., Chen, Z.-H., Young, C.-C. and Chen, W.-M. 2014. Paludibacterium paludis sp. nov., isolated from a marsh. Int. J. Syst.
    Evol. Microbiol., 64, 2497-2502.
  2. Kang, H., Kim, H., Joung, Y., Kim, K. J. and Joh, K. 2016. Paludibacterium purpuratum sp. nov., isolated from wetland soil. Int. J.
    Syst. Evol. Microbiol., 66, 2711-2716.
  3. 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).
Description is based on API 20NE, API ZYM and Biolog GN tests

Positive results for acid and alkaline phosphatase, catalase, casein hydrolysis, corn oil hydrolysis, chitin hydrolysis, CM-cellulose
hydrolysis, C4 esterase, C8 esterase lipase, DNase,  gelatin hydrolysis, C14 lipase, leucine arylamidase, lecithin hydrolysis,
naphthol-AS-BI-phosphohydrolase, N-acetyl-beta-glucosaminidase, oxidase, Tweens 20, 40, 60 and 80 hydrolysis & valine
arylamidase.
Can utilize: glucose, caprate, Tween 40, Tween 80, N-acetyl-D-glucosamine, pyruvic acid methyl ester, beta-hydroxybutyric acid,
DL-lactic acid, propionic acid, L-alaninamide, L-alanine, L-alanyl glycine, L-asparagine, L-aspartic acid, L-glutamic acid, L-proline &
L-serine.

Negative results for alginate hydrolysis, arginine dihydrolase, cystine arylamidase, esculin hydrolysis, alpha-fucosidase, alpha- and
beta-galactosidase, beta-glucuronidase, alpha- and beta-glucosidase, indole production, alpha-mannosidase, nitrate reduction
starch hydrolysis, trypsin, alpha-chymotrypsin, urease, acid production from glucose (positive in Kang's study).
No utilization of: arabinose, mannose, mannitol, maltose, gluconate, adipate, malate, citrate & phenyl-acetate.
Paludibacterium paludis
(c) Costin Stoica
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