| Rhizobacter profundi |
Positive results for esterase (C4), esterase lipase (C8), leucine arylamidase, naphthol-AS-BI-phosphohydrolase (weak), oxidase,
acid production from: glucose, raffinose and 5-ketogluconate.
Can utilize DL-lactic acid.
Negative results for acid and alkaline phosphatase, arginine dihydrolase, catalase, alpha-chymotrypsin, cystine arylamidase,
aesculin hydrolysis, alpha-fucosidase, alpha- and beta-galactosidase, alpha- and beta-glucosidase, beta-glucuronidase, gelatin
hydrolysis, indole production, lipase (C14), alpha-mannosidase, trypsin, urease, valine arylamidase, acid production from: adonitol,
DL-arabitol, cellobiose, dulcitol, erythritol, aesculin, fructose, galactose, gentiobiose, gluconate, glucose, glycerol, 2-ketogluconate,
lactose, mannose, melibiose, beta-methyl-D-xylose, rhamnose, ribose, sorbitol, sorbose or L-xylose.
No utilization of: acetic acid, N-acetyl-D-galactosamine, N-acetyl-D-glucosamine, cis-aconitic acid, adipic acid, adonitol,
L-alaninamide, DL-alanine, L-alanyl glycine, L-asparagine, L-aspartic acid, gamma-aminobutyric acid, 2-aminoethanol, L-arabinose,
L-arabitol, 2,3-butanediol, capric acid, DL-carnitine, D-cellobiose, citric acid, alpha-cyclodextrin, dextrin, i-erythritol, DL-fructose,
L-fucose, D-galactonic acid lactone, D-galactose, D-galacturonic acid, gentiobiose, D-gluconic acid, D-glucosaminic acid, D-glucose,
alpha-D-glucose 1-phosphate, D-glucose 6-phosphate, glucuronamide, D-glucuronic acid, L-glutamic acid, glycerol,
DL-alpha-glycerol phosphate, glycogen, glycyl L-aspartic acid, glycyl L-glutamic acid, L-histidine, hydroxyL-proline, 4- and
3-hydroxybenzoic acid, alpha-, beta- and gamma-hydroxybutyric acid, p-hydroxyphenylacetic acid, inosine, myo-inositol, itaconic acid,
alpha-ketobutyric acid, 2- and 5-ketogluconic acid, alpha-ketovaleric acid, alpha-D-lactose, lactulose, L-leucine, malic acid, malonic
acid, maltose, mannitol, D-mannose, D-melibiose, methyl beta-D-glucoside, L-ornithine, phenylacetic acid, L-phenylalanine,
phenylethylamine, L-proline, propionic acid, D-psicose, putrescine, L-pyroglutamic acid, pyruvic acid methyl ester, quinic acid,
D-raffinose, L-rhamnose, D-ribose, salicin, D-saccharic acid, sebacic acid, D- and L-serine, D-sorbitol, suberic acid, succinamic acid,
D-sucrose, L-threonine, thymidine, D-trehalose, turanose, Tween 40, Tween 80, uridine, urocanic acid, valeric acid and xylitol.
Variable results for nitrate reduction, acid production from: N-acetyl-glucosamine, amygdalin, arbutin, DL-fucose, glycogen, inulin,
inositol, D-lyxose, maltose, mannitol, melezitose, alpha-methyl-D-glucoside, alpha-methyl-D-mannoside, salicin, starch, sucrose,
D-tagatose, trehalose, D-turanose and xylitol.
Variable utilization of bromosuccinic acid, formic acid, alpha-ketoglutaric acid, succinic acid and succinic acid monomethyl ester.
acid production from: glucose, raffinose and 5-ketogluconate.
Can utilize DL-lactic acid.
Negative results for acid and alkaline phosphatase, arginine dihydrolase, catalase, alpha-chymotrypsin, cystine arylamidase,
aesculin hydrolysis, alpha-fucosidase, alpha- and beta-galactosidase, alpha- and beta-glucosidase, beta-glucuronidase, gelatin
hydrolysis, indole production, lipase (C14), alpha-mannosidase, trypsin, urease, valine arylamidase, acid production from: adonitol,
DL-arabitol, cellobiose, dulcitol, erythritol, aesculin, fructose, galactose, gentiobiose, gluconate, glucose, glycerol, 2-ketogluconate,
lactose, mannose, melibiose, beta-methyl-D-xylose, rhamnose, ribose, sorbitol, sorbose or L-xylose.
No utilization of: acetic acid, N-acetyl-D-galactosamine, N-acetyl-D-glucosamine, cis-aconitic acid, adipic acid, adonitol,
L-alaninamide, DL-alanine, L-alanyl glycine, L-asparagine, L-aspartic acid, gamma-aminobutyric acid, 2-aminoethanol, L-arabinose,
L-arabitol, 2,3-butanediol, capric acid, DL-carnitine, D-cellobiose, citric acid, alpha-cyclodextrin, dextrin, i-erythritol, DL-fructose,
L-fucose, D-galactonic acid lactone, D-galactose, D-galacturonic acid, gentiobiose, D-gluconic acid, D-glucosaminic acid, D-glucose,
alpha-D-glucose 1-phosphate, D-glucose 6-phosphate, glucuronamide, D-glucuronic acid, L-glutamic acid, glycerol,
DL-alpha-glycerol phosphate, glycogen, glycyl L-aspartic acid, glycyl L-glutamic acid, L-histidine, hydroxyL-proline, 4- and
3-hydroxybenzoic acid, alpha-, beta- and gamma-hydroxybutyric acid, p-hydroxyphenylacetic acid, inosine, myo-inositol, itaconic acid,
alpha-ketobutyric acid, 2- and 5-ketogluconic acid, alpha-ketovaleric acid, alpha-D-lactose, lactulose, L-leucine, malic acid, malonic
acid, maltose, mannitol, D-mannose, D-melibiose, methyl beta-D-glucoside, L-ornithine, phenylacetic acid, L-phenylalanine,
phenylethylamine, L-proline, propionic acid, D-psicose, putrescine, L-pyroglutamic acid, pyruvic acid methyl ester, quinic acid,
D-raffinose, L-rhamnose, D-ribose, salicin, D-saccharic acid, sebacic acid, D- and L-serine, D-sorbitol, suberic acid, succinamic acid,
D-sucrose, L-threonine, thymidine, D-trehalose, turanose, Tween 40, Tween 80, uridine, urocanic acid, valeric acid and xylitol.
Variable results for nitrate reduction, acid production from: N-acetyl-glucosamine, amygdalin, arbutin, DL-fucose, glycogen, inulin,
inositol, D-lyxose, maltose, mannitol, melezitose, alpha-methyl-D-glucoside, alpha-methyl-D-mannoside, salicin, starch, sucrose,
D-tagatose, trehalose, D-turanose and xylitol.
Variable utilization of bromosuccinic acid, formic acid, alpha-ketoglutaric acid, succinic acid and succinic acid monomethyl ester.
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Pseudomonadales, Family Pseudomonadaceae,
Genus Rhizobacter, Rhizobacter profundi Jin et al. 2016.
Genus Rhizobacter, Rhizobacter profundi Jin et al. 2016.
Gram-negative rods. Motile by a single polar flagellum.
When grown for 3 days at 30 ºC on R2A agar, colonies are smooth, circular, convex,
and brownish. Growth occurs at temperatures from 8 to 30 ºC, but not at 4 ºC or 37 ºC.
The optimal pH for growth is 7.0; growth occurs at pH 6.0 and pH 9.0, but not at pH 5.0
or pH 10.0. No growth occurs in the presence of NaCl (1-5%, w/v). Aerobic.
and brownish. Growth occurs at temperatures from 8 to 30 ºC, but not at 4 ºC or 37 ºC.
The optimal pH for growth is 7.0; growth occurs at pH 6.0 and pH 9.0, but not at pH 5.0
or pH 10.0. No growth occurs in the presence of NaCl (1-5%, w/v). Aerobic.
Isolated from a sediment sample taken from Daechung Reservoir (Republic of Korea) at a water depth of 48 m.
Undetermined.
- Jin L, Ko SR, Ahn CY, Lee HG, Oh HM. Rhizobacter profundi sp. nov., isolated from freshwater sediment. Int J Syst Evol Microbiol
2016; 66:1926-1931.
(c) Costin Stoica
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