| Halopseudomonas pachastrellae |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Pseudomonadales, Family Pseudomonadaceae,
Genus Halopseudomonas, Halopseudomonas pachastrellae (Romanenko et al. 2005) Rudra and Gupta 2021
Synonyms: Pseudomonas pachastrellae Romanenko et al. 2005, Neopseudomonas pachastrellae (Romanenko et al. 2005)
Saati-Santamaría et al. 2021
Genus Halopseudomonas, Halopseudomonas pachastrellae (Romanenko et al. 2005) Rudra and Gupta 2021
Synonyms: Pseudomonas pachastrellae Romanenko et al. 2005, Neopseudomonas pachastrellae (Romanenko et al. 2005)
Saati-Santamaría et al. 2021
Gram-negative rods, encapsulated, 1.4-1.6 x 0.4-0.5 μm, motile by means of a single
flagellum.
flagellum.
Colonies on are circular, smooth, non-pigmented, whitish and transparent, 2-3 mm in
diameter, on TSA and MA. Fluorescent pigments and pyocyanin are not produced on
King B and King A medium, respectively. No hemolysis.
Aerobic. Growth is observed in 0-10% (w/v) NaCl (optimally at 5% NaCl) and at
temperatures of 7-41 ºC; no growth occurs at 4 or 42 ºC; optimal temperature 28 ºC.
Grows on media: King A & B agar, Trypticase Soy Agar, Marine agar / broth.
diameter, on TSA and MA. Fluorescent pigments and pyocyanin are not produced on
King B and King A medium, respectively. No hemolysis.
Aerobic. Growth is observed in 0-10% (w/v) NaCl (optimally at 5% NaCl) and at
temperatures of 7-41 ºC; no growth occurs at 4 or 42 ºC; optimal temperature 28 ºC.
Grows on media: King A & B agar, Trypticase Soy Agar, Marine agar / broth.
Isolated from a marine sponge collected from the Philippine Sea at a water depth of 750 m.
Undetermined.
- Romanenko, Lyudmila A., Uchino, Masataka, Falsen, Enevold, Frolova, Galina M., Zhukova, Natalia V., Mikhailov, Valery V.
Pseudomonas pachastrellae sp. nov., isolated from a marine sponge. Int J Syst Evol Microbiol 2005 55: 919-924. - Sanchez D, Mulet M, Rodriguez AC, David Z, Lalucat J, Garcia-Valdes E. Pseudomonas aestusnigri sp. nov., isolated from crude oil-
contaminated intertidal sand samples after the Prestige oil spill. Syst Appl Microbiol 2014; 37:89-94. - Kim KH, Roh SW, Chang HW, Nam YD, Yoon JH, Jeon CO, Oh HM, Bae JW. Pseudomonas sabulinigri sp. nov., isolated from
black beach sand. Int J Syst Evol Microbiol 2009; 59:38-41. - 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.
Positive results for catalase, hydrolysis of Tween 40, esterase C4, esterase lipase C8, phosphoamidase, leucine arylamidase and
oxidase.
Can utilize: L-alanine, citrate, DL-lactate and L-tyrosine.
Negative results for denitrification, urease, lysine decarboxylase, ornithine decarboxylase, arginine dihydrolase, acetoin production, H2S
production, indole production, aesculin hydrolysis, gelatin hydrolysis, starch hydrolysis, DNA hydrolysis, alkaline phosphatase, lipase
C14, valine arylamidase, cystine arylamidase, alpha-chymotrypsin, trypsin, acid phosphatase, alpha- and beta-galactosidase,
beta-glucuronidase, alpha- and beta-glucosidase, N-acetyl-beta-glucosaminidase, alpha- mannosidase, alpha-fucosidase, acid
production from: D-glucose, D-xylose, rhamnose, galactose, maltose, lactose and mannitol.
Cannot utilize: arabitol, erythritol, L-histidine, inositol, malonate, D-sorbitol, itaconate, leucine, propionate, D- and L-serine, L-arabinose,
phenylacetate, DL-norleucine, N-acetyl-glucosamine, D-glucose, maltose, xylose, fructose, D-mannose, sucrose, trehalose, glycerol,
D-mannitol, gluconate, malate, L-valine and L-lysine.
Production of acid from glycerol is a variable character.
oxidase.
Can utilize: L-alanine, citrate, DL-lactate and L-tyrosine.
Negative results for denitrification, urease, lysine decarboxylase, ornithine decarboxylase, arginine dihydrolase, acetoin production, H2S
production, indole production, aesculin hydrolysis, gelatin hydrolysis, starch hydrolysis, DNA hydrolysis, alkaline phosphatase, lipase
C14, valine arylamidase, cystine arylamidase, alpha-chymotrypsin, trypsin, acid phosphatase, alpha- and beta-galactosidase,
beta-glucuronidase, alpha- and beta-glucosidase, N-acetyl-beta-glucosaminidase, alpha- mannosidase, alpha-fucosidase, acid
production from: D-glucose, D-xylose, rhamnose, galactose, maltose, lactose and mannitol.
Cannot utilize: arabitol, erythritol, L-histidine, inositol, malonate, D-sorbitol, itaconate, leucine, propionate, D- and L-serine, L-arabinose,
phenylacetate, DL-norleucine, N-acetyl-glucosamine, D-glucose, maltose, xylose, fructose, D-mannose, sucrose, trehalose, glycerol,
D-mannitol, gluconate, malate, L-valine and L-lysine.
Production of acid from glycerol is a variable character.
(c) Costin Stoica
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