| Azotobacter bryophylli |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Pseudomonadales, Family Pseudomonadaceae,
Genus Azotobacter, Azotobacter bryophylli Liu et al. 2019.
Genus Azotobacter, Azotobacter bryophylli Liu et al. 2019.
Gram-negative, short rods, 0.6-0.8 x 1.0-2.0 µm, occuring singly or in pairs. Motile by
peritrichous flagella.
peritrichous flagella.
Colonies are cream-coloured, translucent, smooth and moist. Grows at 5-40 ºC
(optimally at 37 ºC), pH 5-8 (optimally at pH 7) and 0-2% NaCl. No pigment
production. Aerobic.
(optimally at 37 ºC), pH 5-8 (optimally at pH 7) and 0-2% NaCl. No pigment
production. Aerobic.
Isolated from leaves of Bryophyllum pinnatum growing at the South China Agricultural University. Nitrogen-fixing bacterium.
Resistant to spectinomycin, streptomycin, chloramphenicol, tetracycline, cefotaxime and carbenicillin. Sensitive to kanamycin,
gentamycin, neomycin and erythromycin.
Resistant to spectinomycin, streptomycin, chloramphenicol, tetracycline, cefotaxime and carbenicillin. Sensitive to kanamycin,
gentamycin, neomycin and erythromycin.
Undetermined.
- Liu L, Yuan T, An Q, Yang M, Mao X, Mo C, Tan Z, Peng G. Azotobacter bryophylli sp. nov., isolated from the succulent plant
Bryophyllum pinnatum. Int J Syst Evol Microbiol 2019; 69:1986-1992.
Positive results for catalase, oxidase, methyl red, nitrate reduction, tryptophan deaminase and Voges-Proskauer reaction.
Can utilize citrate, L-arabinose, pyruvic acid methyl ester, alpha-ketoglutaric acid, lactate, succinin acid, bromo succinic acid and
succinamic acid.
Negative results for arginine dihydrolase, casein hydrolysis, esculin hydrolysis, lysine decarboxylase, ornithine decarboxylase, gelatin
liquefaction, H2S production, indole production, carboxymethyl cellulose, ONPG, starch hydrolysis, and urease. Acid is not produced
from amygdalin, arabinose, glucose, inositol, mannitol, melibiose, sorbitol, and sucrose.
No utilization of glycogen, D-fructose, alpha-D-glucose, lactose, D-mannitol, L-rhamnose, sucrose, glycerol, dextrin, m-inositol,
maltose, melibiose, alpha-cyclodextrin, N-acetyl-D-galactosamine, N-acetyl-D-glucosamine, adonitol, i-erythritol, L-fucose,
gentiobiose, D-mannose, D-saccharic acid, D,L-carnitine, gamma-aminobutyric acid, 2-aminoethanol,
alpha-D-glucose-1-phosphate, Tween 40 and 80, sebacic acid, succinic acid, D-arabitol, cellobiose, D-galactose, glucuronamide,
beta-methyl-D-glucoside, L-alaninamide, D-psicose, D- and L-alanine, raffinose, D-sorbitol, L-alanyl glycine, trehalose, L-asparagine,
turanose, L-aspartic acid, xylitol, L-glutamic acid, glycyl-L-aspartic acid, succinic acid mono- methyl ester, glycyl-L-glutamic acid,
cis-aconitic acid, L-histidine, citric acid, hydroxy-L-proline, formic acid, L-leucine, D-galactonic acid lactone, L-ornithine, D-galacturonic
acid, L-phenylalanin, D-gluconic acid, L-proline, D-glucosaminic acid, L-pyroglutamic acid, D-glucuronic acid, D- and L-serine,
alpha-hydroxy butyric acid, beta-hydroxy butyric acid, L-threonine, gamma-hydroxy butyric acid, urocanic acid, p-hydroxy butyric acid,
inosine, itaconic acid, uridine, alpha-ketobutyric acid, thymidine, phenylethylamine, alpha-keto valeric acid, malonic acid, propionic
acid, putrescine, 2.3-butanediol, DL-alpha-glycerol-phosphate, and D-glucose-6-phosphate.
Can utilize citrate, L-arabinose, pyruvic acid methyl ester, alpha-ketoglutaric acid, lactate, succinin acid, bromo succinic acid and
succinamic acid.
Negative results for arginine dihydrolase, casein hydrolysis, esculin hydrolysis, lysine decarboxylase, ornithine decarboxylase, gelatin
liquefaction, H2S production, indole production, carboxymethyl cellulose, ONPG, starch hydrolysis, and urease. Acid is not produced
from amygdalin, arabinose, glucose, inositol, mannitol, melibiose, sorbitol, and sucrose.
No utilization of glycogen, D-fructose, alpha-D-glucose, lactose, D-mannitol, L-rhamnose, sucrose, glycerol, dextrin, m-inositol,
maltose, melibiose, alpha-cyclodextrin, N-acetyl-D-galactosamine, N-acetyl-D-glucosamine, adonitol, i-erythritol, L-fucose,
gentiobiose, D-mannose, D-saccharic acid, D,L-carnitine, gamma-aminobutyric acid, 2-aminoethanol,
alpha-D-glucose-1-phosphate, Tween 40 and 80, sebacic acid, succinic acid, D-arabitol, cellobiose, D-galactose, glucuronamide,
beta-methyl-D-glucoside, L-alaninamide, D-psicose, D- and L-alanine, raffinose, D-sorbitol, L-alanyl glycine, trehalose, L-asparagine,
turanose, L-aspartic acid, xylitol, L-glutamic acid, glycyl-L-aspartic acid, succinic acid mono- methyl ester, glycyl-L-glutamic acid,
cis-aconitic acid, L-histidine, citric acid, hydroxy-L-proline, formic acid, L-leucine, D-galactonic acid lactone, L-ornithine, D-galacturonic
acid, L-phenylalanin, D-gluconic acid, L-proline, D-glucosaminic acid, L-pyroglutamic acid, D-glucuronic acid, D- and L-serine,
alpha-hydroxy butyric acid, beta-hydroxy butyric acid, L-threonine, gamma-hydroxy butyric acid, urocanic acid, p-hydroxy butyric acid,
inosine, itaconic acid, uridine, alpha-ketobutyric acid, thymidine, phenylethylamine, alpha-keto valeric acid, malonic acid, propionic
acid, putrescine, 2.3-butanediol, DL-alpha-glycerol-phosphate, and D-glucose-6-phosphate.
(c) Costin Stoica
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