| Halopseudomonas formosensis |
Description is based on API 20 NE, API ZYM and Biolog GN2 results.
Positive results for acid and alkaline phosphatase, catalase, cystine arylamidase, esterase (C4), esterase lipase (C8), lipase (C14),
leucine arylamidase, naphthol-ASBI-phosphohydrolase, oxidase and valine arylamidase.
Can utilize as sole carbon source: Tween 40, Tween 80, pyruvic acid methyl ester, succinic acid monomethyl-ester, acetic acid,
beta-hydroxybutyric acid, alpha-ketoglutaric acid, propionic acid, sebacic acid, succinic acid, bromosuccinic acid, L-alaninamide, D-
and L-alanine.
Can assimilate: capric acid, adipic acid and malic acid.
Negative results for alpha-chymotrypsin, alpha-fucosidase, alpha- and beta-galactosidase, alpha- and beta-glucosidase,
beta-glucuronidase, N-acetyl-beta-glucosaminidase, nitrate and nitrite reduction, alpha-mannosidase and trypsin.
No utilization of alpha-ketobutyric acid, citric acid, DL-lactic acid, L-glutamic acid, D-serine and L-threonine.
Positive results for acid and alkaline phosphatase, catalase, cystine arylamidase, esterase (C4), esterase lipase (C8), lipase (C14),
leucine arylamidase, naphthol-ASBI-phosphohydrolase, oxidase and valine arylamidase.
Can utilize as sole carbon source: Tween 40, Tween 80, pyruvic acid methyl ester, succinic acid monomethyl-ester, acetic acid,
beta-hydroxybutyric acid, alpha-ketoglutaric acid, propionic acid, sebacic acid, succinic acid, bromosuccinic acid, L-alaninamide, D-
and L-alanine.
Can assimilate: capric acid, adipic acid and malic acid.
Negative results for alpha-chymotrypsin, alpha-fucosidase, alpha- and beta-galactosidase, alpha- and beta-glucosidase,
beta-glucuronidase, N-acetyl-beta-glucosaminidase, nitrate and nitrite reduction, alpha-mannosidase and trypsin.
No utilization of alpha-ketobutyric acid, citric acid, DL-lactic acid, L-glutamic acid, D-serine and L-threonine.
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Pseudomonadales, Family Pseudomonadaceae,
Genus Halopseudomonas, Halopseudomonas formosensis (Lin et al. 2013) Rudra and Gupta 2021.
Synonyms: Pseudomonas formosensis Lin et al. 2013, Neopseudomonas formosensis (Lin et al. 2013) Saati-Santamaría et al. 2021.
Species description is based on a single isolate.
Genus Halopseudomonas, Halopseudomonas formosensis (Lin et al. 2013) Rudra and Gupta 2021.
Synonyms: Pseudomonas formosensis Lin et al. 2013, Neopseudomonas formosensis (Lin et al. 2013) Saati-Santamaría et al. 2021.
Species description is based on a single isolate.
Gram-negative rods, 0.7–0.9 x 1.6–1.8 μm. Motile by a monopolar flagellum.
Colonies are circular, undulate, convex and pale yellow after 2 days of incubation on
Nutrient Agar. In Nutrient Broth, can grow at 20-50 ºC, at pH 6.0-10.0, and can tolerate
up to 5% NaCl (w/v). Cannot grow under strictly anaerobic conditions.
Nutrient Agar. In Nutrient Broth, can grow at 20-50 ºC, at pH 6.0-10.0, and can tolerate
up to 5% NaCl (w/v). Cannot grow under strictly anaerobic conditions.
Isolated from food-waste compost, in Taiwan.
Sensitive to amikacin, ciprofloxacin, colistin, ampicillin-sulbactam, gentamicin, imipenem, meropenem, ticarcillin-clavulanic acid,
ticarcillin clavulanic acid-pyo, ticarcillin-pyo, tobramycin and cotrimoxazole.
Sensitive to amikacin, ciprofloxacin, colistin, ampicillin-sulbactam, gentamicin, imipenem, meropenem, ticarcillin-clavulanic acid,
ticarcillin clavulanic acid-pyo, ticarcillin-pyo, tobramycin and cotrimoxazole.
Undetermined.
- Lin SY, Hameed A, Liu YC, Hsu YH, Lai WA, Young CC. Pseudomonas formosensis sp. nov., a gamma-proteobacteria isolated
from food-waste compost in Taiwan. Int J Syst Evol Microbiol 2013; 63:3168-3174. - Rudra B, Gupta RS. Phylogenomic and comparative genomic analyses of species of the family Pseudomonadaceae: Proposals
for the genera Halopseudomonas gen. nov. and Atopomonas gen. nov., merger of the genus Oblitimonas with the genus
Thiopseudomonas, and transfer of some misclassified species of the genus Pseudomonas into other genera. Int J Syst Evol
Microbiol 2021; 71:5011.
(c) Costin Stoica
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