| Silvimonas terrae |
Colonies on R2A are circular, convex and milky white. Growth occurs at 15-40 ºC,
optimally at 25-30 ºC. Can grow in pH 6.0 and 8.0, optimally in pH 7.0. Can grow in
0-2% (w/v) NaCl. Facultatively anaerobic.
optimally at 25-30 ºC. Can grow in pH 6.0 and 8.0, optimally in pH 7.0. Can grow in
0-2% (w/v) NaCl. Facultatively anaerobic.
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Betaproteobacteria, Order Neisseriales, Family Chromobacteriaceae, Genus
Silvimonas, Silvimonas terrae Yang et al. 2005, type species of the genus.
Silvimonas, Silvimonas terrae Yang et al. 2005, type species of the genus.
Gram-negative rods, 0.5-0.8 x 1.3-2.0 μm, occuring singly or in pairs. Motile by means
of a single polar flagellum.
of a single polar flagellum.
Isolated from forest soil collected near KAIST, Daejeon, South Korea.
Resistant to ampicillin, tetracycline, streptomycin. Sensitive to kanamycin.
Resistant to ampicillin, tetracycline, streptomycin. Sensitive to kanamycin.
Undetermined.
- Yang H.C., Im W.T., An D.S., Park W., Kim I.S. and Lee S.T.: Silvimonas terrae gen. nov., sp. nov., a novel chitin-degrading
facultative anaerobe belonging to the 'Betaproteobacteria'. Int. J. Syst. Evol. Microbiol., 2005, 55, 2329-2332. - Muramatsu Y., Suzuki K. and Nakagawa Y.: Silvimonas iriomotensis sp. nov. and Silvimonas amylolytica sp. nov., new members
of the class Betaproteobacteria isolated from the subtropical zone in Japan. Int. J. Syst. Evol. Microbiol., 2010, 60, 174-178. - Yoon J.H., Choi J.H., Kang S.J., Choi N.S., Lee J.S. and Song J.J.: Jeongeupia naejangsanensis gen. nov., sp. nov., a cellulose-
degrading bacterium isolated from forest soil from Naejang Mountain in Korea. Int. J. Syst. Evol. Microbiol., 2010, 60, 615-619. - 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. https://www.bacterio.net).
Positive results for catalase, casein hydrolysis, chitin hydrolysis (but negative in
Muramatsu's study), CM-cellulose hydrolysis, DNase, beta-glucosidase, beta-galactosidase, nitrate reduction, oxidase, starch
hydrolysis and acid production from glucose.
Can utilize L-fucose, L-arabinose, maltose, D-mannose, L-rhamnose, D-sucrose, mannitol, N-acetylglucosamine and gluconate.
Negative results for arginine dihydrolase, esculin hydrolysis, gelatin hydrolysis, indole production, nitrite reduction to nitrogen and
urease.
No utilization of D-ribose, 3-hydroxybutyrate, acetate, adipate, citrate, 3-hydroxybenzoate, malate, valerate, 4-hydroxybenzoate,
5-ketogluconate, caprate, itaconate, D-sorbitol, lactate, malonate, phenylacetate, suberate, L-alanine, L-proline, L-serine, inositol,
D-melibiose, glycogen and salicin.
Differential characters of Silvimonas species:
Muramatsu's study), CM-cellulose hydrolysis, DNase, beta-glucosidase, beta-galactosidase, nitrate reduction, oxidase, starch
hydrolysis and acid production from glucose.
Can utilize L-fucose, L-arabinose, maltose, D-mannose, L-rhamnose, D-sucrose, mannitol, N-acetylglucosamine and gluconate.
Negative results for arginine dihydrolase, esculin hydrolysis, gelatin hydrolysis, indole production, nitrite reduction to nitrogen and
urease.
No utilization of D-ribose, 3-hydroxybutyrate, acetate, adipate, citrate, 3-hydroxybenzoate, malate, valerate, 4-hydroxybenzoate,
5-ketogluconate, caprate, itaconate, D-sorbitol, lactate, malonate, phenylacetate, suberate, L-alanine, L-proline, L-serine, inositol,
D-melibiose, glycogen and salicin.
Differential characters of Silvimonas species:
(c) Costin Stoica
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