| Halopseudomonas salegens |
Positive results for catalase, DNase, nitrate reduction (nitrites are not), oxidase, Tweens 20 and 80 hydrolysis,
Can utilize as sole sources of carbon and energy: acetate, fumarate, sebacic acid, hydroxybutyrate and propionate.
Negative results for casein hydrolysis, aesculin hydrolysis, H2S production, indole production, starch hydrolysis, acid production from
various carbohydrate sources.
No utilization of: L-arabinose, cellobiose, D-galactose, D-glucose, lactose, maltose, D-mannitol, D-mannose, D-raffinose,
L-rhamnose, D-ribose, trehalose, D-xylose, L-alanine, L-arginine, L-asparagine, L-aspartic acid, L-cysteine, L-leucine, L-methionine,
L-ornithine, L-serine and L-tyrosine.
Can utilize as sole sources of carbon and energy: acetate, fumarate, sebacic acid, hydroxybutyrate and propionate.
Negative results for casein hydrolysis, aesculin hydrolysis, H2S production, indole production, starch hydrolysis, acid production from
various carbohydrate sources.
No utilization of: L-arabinose, cellobiose, D-galactose, D-glucose, lactose, maltose, D-mannitol, D-mannose, D-raffinose,
L-rhamnose, D-ribose, trehalose, D-xylose, L-alanine, L-arginine, L-asparagine, L-aspartic acid, L-cysteine, L-leucine, L-methionine,
L-ornithine, L-serine and L-tyrosine.
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Pseudomonadales, Family Pseudomonadaceae,
Genus Halopseudomonas, Halopseudomonas salegens (Amoozegar et al. 2014) Rudra and Gupta 2021.
Basonym: Pseudomonas salegens Amoozegar et al. 2014.
Species description is based on a single isolate.
Genus Halopseudomonas, Halopseudomonas salegens (Amoozegar et al. 2014) Rudra and Gupta 2021.
Basonym: Pseudomonas salegens Amoozegar et al. 2014.
Species description is based on a single isolate.
Gram-negative rods, 0.8-1.9 x 0.3-0.6 μm. Non-endospore-forming. Motile.
Colonies are tiny, punctiform, 0.5 mm in diameter, convex, entire, smooth and
non-pigmented on 3% MH agar medium after 72 h of incubation at 30 ºC.
Non-fluorescent on King A and B media. Grows at 4-35 ºC (optimally at 30 ºC) and pH
6.5-9.0 (optimally at pH 8.0). Slightly halophilic, growing between NaCl concentrations
of 1 and 10% (w/v), with optimal growth at 3% (w/v) NaCl. No growth occurs in the
absence of NaCl. Strictly aerobic.
non-pigmented on 3% MH agar medium after 72 h of incubation at 30 ºC.
Non-fluorescent on King A and B media. Grows at 4-35 ºC (optimally at 30 ºC) and pH
6.5-9.0 (optimally at pH 8.0). Slightly halophilic, growing between NaCl concentrations
of 1 and 10% (w/v), with optimal growth at 3% (w/v) NaCl. No growth occurs in the
absence of NaCl. Strictly aerobic.
Isolated from an aquatic plant in the Gomishan wetland in Iran.
Undetermined.
- Amoozegar MA, Shahinpei A, Sepahy AA, Makhdoumi-Kakhki A, Seyedmahdi SS, Schumann P, Ventosa A. Pseudomonas
salegens sp. nov., a halophilic member of the genus Pseudomonas isolated from a wetland. Int J Syst Evol Microbiol 2014; 64:
3565-3570.
(c) Costin Stoica
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