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Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Betaproteobacteria, Order Burkholderiales, Family Burkholderiaceae, Genus
Chitinimonas, Chitinimonas naiadis Padakandla and Chae 2017.
Species description is based on a single isolate.
Chitinimonas, Chitinimonas naiadis Padakandla and Chae 2017.
Species description is based on a single isolate.
Gram-negative rods, 2.0-4.0 / 0.54 μm. Motile by a single polar flagellum.
Colonies on tryptone soy agar are circular and convex, with entire margins. Grows at
pH 7.0-7.5 (optimum 7.0) and at temperature 15-35 ºC (optimum 30 ºC). NaCl is not
required for growth but can tolerate NaCl concentrations up to 0.5% (w/v). Aerobe.
pH 7.0-7.5 (optimum 7.0) and at temperature 15-35 ºC (optimum 30 ºC). NaCl is not
required for growth but can tolerate NaCl concentrations up to 0.5% (w/v). Aerobe.
Isolated from a water sample collected from Yeongsan river, Republic of Korea.
Resistant to amoxicillin, clindamycin, vancomycin, trimethoprim, fusidic acid, lincomycin, rifamycin SV, aztreonam, and linezolid.
Sensitive to gentamicin, cephalexin, meropenem, tetracycline, erythromycin, tylosin, ciprofloxacin, sulfamethoxazole, and fosfomycin.
Resistant to amoxicillin, clindamycin, vancomycin, trimethoprim, fusidic acid, lincomycin, rifamycin SV, aztreonam, and linezolid.
Sensitive to gentamicin, cephalexin, meropenem, tetracycline, erythromycin, tylosin, ciprofloxacin, sulfamethoxazole, and fosfomycin.
Undetermined.
- Padakandla, S. R. and Chae, J. C. 2017. Chitinimonas naiadis sp. nov., isolated from a freshwater river. J. Microbiol. Biotechnol.,
27, 1300-1305.
Description is based mostly on API 50CH, API 20E, API 20NE, and API ZYM results.
Positive results for acid and alkaline phosphatase, catalase, chitin hydrolysis, esterase lipase (C8), gelatin hydrolysis,
alpha-glucosidase, leucine arylamidase, nitrate reduction to nitrite, oxidase, Tween 40 hydrolysis, Voges-Proskauer test and
naphtol-AS-BI-phosphohydrolase.
Can assimilate dextrin, D-maltose, D-cellobiose, gentiobiose, D-turanose, D-salicin, N-acetyl-beta-D-mannosamine,
N-acetyl-D-galactosamine, glycyl-L-proline, L-alanine, L-arginine, L-aspartic acid, L-glutamic acid, L-histidine, L-pyroglutamic acid,
L-serine, alpha-D-glucose, D-mannose, D-fructose, D-galactose, L-fucose, D-sorbitol, D-mannitol, D-arabitol, myoinositol, glycerol,
D-glucose-6-phosphate, D-fructose-6-phosphate, D-aspartic acid, methyl pyruvate, D-lactic acid methyl ester, L-lactic acid,
alpha-ketoglutaric acid, D- and L-malic acid, bromo-succinic acid, D-galacturonic acid, L-galactonic acid lactone, D-gluconic
acid, mucic acid, quinic acid, D-saccharic acid, D-xylose, gamma-amino-butyric acid, beta-hydroxy-D,L-butyric acid, acetoacetic
acid, propionic acid, acetic acid, formic acid, L-arabinose and glycogen.
Negative results for arginine dihydrolase, esculin hydrolysis, alpha-fucosidase, alpha- and beta-galactosidase, beta-glucuronidase,
beta-glucosidase, H2S production, indole production, alpha-mannosidase, lysine decarboxylase, ornithine decarboxylase, valine
arylamidase, cysteine arylamydase, trypsin, alpha-chymotrypsin, methyl red test, starch hydrolysis and urea hydrolysis.
No assimilation of N-acetyl-glucosamine, potassium gluconate, capric acid, adipic acid, citrate, and phenyl acetic acid.
Positive results for acid and alkaline phosphatase, catalase, chitin hydrolysis, esterase lipase (C8), gelatin hydrolysis,
alpha-glucosidase, leucine arylamidase, nitrate reduction to nitrite, oxidase, Tween 40 hydrolysis, Voges-Proskauer test and
naphtol-AS-BI-phosphohydrolase.
Can assimilate dextrin, D-maltose, D-cellobiose, gentiobiose, D-turanose, D-salicin, N-acetyl-beta-D-mannosamine,
N-acetyl-D-galactosamine, glycyl-L-proline, L-alanine, L-arginine, L-aspartic acid, L-glutamic acid, L-histidine, L-pyroglutamic acid,
L-serine, alpha-D-glucose, D-mannose, D-fructose, D-galactose, L-fucose, D-sorbitol, D-mannitol, D-arabitol, myoinositol, glycerol,
D-glucose-6-phosphate, D-fructose-6-phosphate, D-aspartic acid, methyl pyruvate, D-lactic acid methyl ester, L-lactic acid,
alpha-ketoglutaric acid, D- and L-malic acid, bromo-succinic acid, D-galacturonic acid, L-galactonic acid lactone, D-gluconic
acid, mucic acid, quinic acid, D-saccharic acid, D-xylose, gamma-amino-butyric acid, beta-hydroxy-D,L-butyric acid, acetoacetic
acid, propionic acid, acetic acid, formic acid, L-arabinose and glycogen.
Negative results for arginine dihydrolase, esculin hydrolysis, alpha-fucosidase, alpha- and beta-galactosidase, beta-glucuronidase,
beta-glucosidase, H2S production, indole production, alpha-mannosidase, lysine decarboxylase, ornithine decarboxylase, valine
arylamidase, cysteine arylamydase, trypsin, alpha-chymotrypsin, methyl red test, starch hydrolysis and urea hydrolysis.
No assimilation of N-acetyl-glucosamine, potassium gluconate, capric acid, adipic acid, citrate, and phenyl acetic acid.
(c) Costin Stoica
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