| Pseudomonas gregormendelii |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Pseudomonadales, Family Pseudomonadaceae,
Genus Pseudomonas, Pseudomonas gregormendelii Kosina et al. 2022.
Genus Pseudomonas, Pseudomonas gregormendelii Kosina et al. 2022.
Gram-negative, short rods. Motile. Non-spore-forming.
Colonies are smooth, flat with thickened centre, regular margins, 1-3 mm in diameter
when cultivated on TSA at 30 ºC. They are non-pigmented and do not produce
fluorescent pigments on King B medium. No haemolytic activity on sheep blood agar.
They grow in the range of 5-30 ºC and 0-5% NaCl. No growth on TSA supplemented
with 6.5 % NaCl. Aerobic.
when cultivated on TSA at 30 ºC. They are non-pigmented and do not produce
fluorescent pigments on King B medium. No haemolytic activity on sheep blood agar.
They grow in the range of 5-30 ºC and 0-5% NaCl. No growth on TSA supplemented
with 6.5 % NaCl. Aerobic.
Isolated from Antarctic soils.
Resistant to ceftazidime, aztreonam, ticarcillin and ticarcillin-clavulanate. Sensitive to piperacillin-tazobactam, gentamicin, ofloxacin,
ciprofloxacin, cefoperazone, colistin, amikacin, cefoperazonesulbactam, cefepime, imipenem and meropenem.
Resistant to ceftazidime, aztreonam, ticarcillin and ticarcillin-clavulanate. Sensitive to piperacillin-tazobactam, gentamicin, ofloxacin,
ciprofloxacin, cefoperazone, colistin, amikacin, cefoperazonesulbactam, cefepime, imipenem and meropenem.
Undetermined.
- Kosina M, Svec P, Cernohlavkova J, Bartak M, Snopkova K, De Vos P, Sedlacek I. Description of Pseudomonas gregormendelii sp.
nov., a Novel Psychrotrophic Bacterium from James Ross Island, Antarctica. Curr Microbiol 2016; 73:84-90. - Duman M, Mulet M, Altun S, Saticioglu IB, Gomila M, Lalucat J, Garcia-Valdes E. Pseudomonas piscium sp. nov., Pseudomonas
pisciculturae sp. nov., Pseudomonas mucoides sp. nov. and Pseudomonas neuropathica sp. nov. isolated from rainbow trout. Int J
Syst Evol Microbiol 2019; 71:0.
Positive results for acid and alkaline phosphatase, catalase, esterase (C4), esterase lipase (C8), leucine arylamidase, Simmons
citrate, natrium malonate, lysine decarboxylase, ornithine decarboxylase (weak), oxidase, tyrosine hydrolysis, acid production from
fructose and xylose.
Can utilize as sole carbon source: Tween 40, Tween 80, D-galactose, alpha-D-glucose, pyruvic acid methyl ester, acetic acid,
cis-aconitic acid, citric acid, D-galactonic acid lactone, D-gluconic acid, alpha-hydroxy-butyric acid, beta-hydroxy-butyric acid,
alpha-keto glutaric acid, D,L-lactic acid, malonic acid, propionic acid, quinic acid, D-saccharic acid, succinic acid, bromosuccinic acid,
D- and L-alanine, L-alanyl-glycine, L-asparagine, L-aspartic acid, L-glutamic acid, L-leucine, L-ornithine, L-proline, L-pyroglutamic
acid, L-serine, L-threonine, D,L-carnitine, camino-butyric acid, urocanic acid, inosine, uridine, putrescine, 2-aminoethanol and
glycerol.
Negative results for acetamide, arginine dihydrolase, casein hydrolysis, DNase, aesculin hydrolysis, alpha-fucosidase, lecithinase,
lipase (C14), cystine arylamidase, chymotrypsin, naphthol-AS-biphosphohydrolase, alpha- and beta-galactosidase,
beta-glucuronidase, alpha- and beta-glucosidase, N-acetyl-beta-glucosaminidase, indle production, alpha-mannosidase, nitrate and
nitrite reduction, starch hydrolysis, trypsin, Tween 80 hydrolysis, urease, valine arylamidase, acid production from mannitol and
maltose.
No utilization of: alpha-cyclodextrin, N-acetyl-D-galactosamine, N-acetyl-D-glucosamine, adonitol, D-arabitol, D-cellobiose,
erythritol, L-fucose, gentiobiose, m-inositol, alpha-D-lactose, lactulose, maltose, D-mannitol, D-melibiose, beta-methyl-Dglucoside,
D-raffinose, L-rhamnose, D-sorbitol, sucrose, D-trehalose, turanose, xylitol, D-galacturonic acid, D-glucosaminic acid, D-glucuronic
acid, gamma-hydroxy-butyric acid, p-hydroxy phenylacetic acid, itaconic acid, succinamic acid, glucuronamide, hydroxy-L-proline,
L-phenylalanine, D-serine, thymidine, phenylethyl-amine, 2,3-butanediol, D,L-alpha-glycerol-phosphate,
alpha-D-glucose-1-phosphate, D-glucose-6-phosphate. No assimilation of phenylacetate.
Variable gelatin hydrolysis and acid production from glucose.
Variable utilization of: mannose, glycogen, L-arabinose, D-fructose, succinic acid monomethyl ester, formic acid, alpha-keto butyric
acid, alpha-keto valeric acid, sebacic acid, L-alaninamide, glycyl-L-aspartic acid, glycyl-L-glutamic acid and L-histidine.
citrate, natrium malonate, lysine decarboxylase, ornithine decarboxylase (weak), oxidase, tyrosine hydrolysis, acid production from
fructose and xylose.
Can utilize as sole carbon source: Tween 40, Tween 80, D-galactose, alpha-D-glucose, pyruvic acid methyl ester, acetic acid,
cis-aconitic acid, citric acid, D-galactonic acid lactone, D-gluconic acid, alpha-hydroxy-butyric acid, beta-hydroxy-butyric acid,
alpha-keto glutaric acid, D,L-lactic acid, malonic acid, propionic acid, quinic acid, D-saccharic acid, succinic acid, bromosuccinic acid,
D- and L-alanine, L-alanyl-glycine, L-asparagine, L-aspartic acid, L-glutamic acid, L-leucine, L-ornithine, L-proline, L-pyroglutamic
acid, L-serine, L-threonine, D,L-carnitine, camino-butyric acid, urocanic acid, inosine, uridine, putrescine, 2-aminoethanol and
glycerol.
Negative results for acetamide, arginine dihydrolase, casein hydrolysis, DNase, aesculin hydrolysis, alpha-fucosidase, lecithinase,
lipase (C14), cystine arylamidase, chymotrypsin, naphthol-AS-biphosphohydrolase, alpha- and beta-galactosidase,
beta-glucuronidase, alpha- and beta-glucosidase, N-acetyl-beta-glucosaminidase, indle production, alpha-mannosidase, nitrate and
nitrite reduction, starch hydrolysis, trypsin, Tween 80 hydrolysis, urease, valine arylamidase, acid production from mannitol and
maltose.
No utilization of: alpha-cyclodextrin, N-acetyl-D-galactosamine, N-acetyl-D-glucosamine, adonitol, D-arabitol, D-cellobiose,
erythritol, L-fucose, gentiobiose, m-inositol, alpha-D-lactose, lactulose, maltose, D-mannitol, D-melibiose, beta-methyl-Dglucoside,
D-raffinose, L-rhamnose, D-sorbitol, sucrose, D-trehalose, turanose, xylitol, D-galacturonic acid, D-glucosaminic acid, D-glucuronic
acid, gamma-hydroxy-butyric acid, p-hydroxy phenylacetic acid, itaconic acid, succinamic acid, glucuronamide, hydroxy-L-proline,
L-phenylalanine, D-serine, thymidine, phenylethyl-amine, 2,3-butanediol, D,L-alpha-glycerol-phosphate,
alpha-D-glucose-1-phosphate, D-glucose-6-phosphate. No assimilation of phenylacetate.
Variable gelatin hydrolysis and acid production from glucose.
Variable utilization of: mannose, glycogen, L-arabinose, D-fructose, succinic acid monomethyl ester, formic acid, alpha-keto butyric
acid, alpha-keto valeric acid, sebacic acid, L-alaninamide, glycyl-L-aspartic acid, glycyl-L-glutamic acid and L-histidine.
(c) Costin Stoica
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