| Pseudomonas segetis |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Pseudomonadales, Family Pseudomonadaceae,
Genus Pseudomonas, Pseudomonas segetis Park et al. 2006.
Genus Pseudomonas, Pseudomonas segetis Park et al. 2006.
Gram-negative, nonspore-forming, rod-shaped cells, 1.1-1.3 x 0.7-0.8 μm, motile by
means of a polar flagellum.
means of a polar flagellum.
Colonies on Nutrient agar are translucent, butyrous, cream-coloured, circular, convex
& 1-2 mm in diameter after 2 days growth at 30 ºC. Does not produce fluorescent
pigment on King B medium.
Aerobic, grows at temperatures between 4 and 35 ºC, but not at 37 ºC. Tolerates NaCl
at concentrations up to 5% on Nutrient agar. Grows very poorly under anaerobic
conditions (anaerobic chamber containing CO2/H2/N2 at 10 : 10 : 80, by vol.).
& 1-2 mm in diameter after 2 days growth at 30 ºC. Does not produce fluorescent
pigment on King B medium.
Aerobic, grows at temperatures between 4 and 35 ºC, but not at 37 ºC. Tolerates NaCl
at concentrations up to 5% on Nutrient agar. Grows very poorly under anaerobic
conditions (anaerobic chamber containing CO2/H2/N2 at 10 : 10 : 80, by vol.).
Isolated from soil samples in Korea.
Unknown.
- Park, Yoon-Dong, Yi, Hana, Baik, Keun Sik, Seong, Chi Nam, Bae, Kyung Sook, Moon, Eun Young, Chun, Jongsik. Pseudomonas
segetis sp. nov., isolated from soil. Int J Syst Evol Microbiol 2006 56: 2593-2595. - Hameed, A., Shahina, M., Lin, S.-Y., Liu, Y.-C. and Young, C.-C. 2014. Pseudomonas hussainii sp. nov., isolated from droppings of
a seashore bird, and emended descriptions of Pseudomonas pohangensis, Pseudomonas benzenivorans and Pseudomonas
segetis. Int. J. Syst. Evol. Microbiol., 64, 2330-2337. - Romanenko LA, Tanaka N, Svetashev VI, Mikhailov VV. Pseudomonas glareae sp. nov., a marine sediment-derived bacterium with
antagonistic activity. Arch Microbiol 2015; 197:693-699.
Positive for arginine dihydrolase, acid and alkaline phosphatase, catalase, esterase (C4), esterase-lipase (C8), nitrate reduction,
acetoin production, esterase lipase (C8), naphthol-AS-BI- phosphohydrolase, esterase (C4), leucine arylamidase, oxidase, starch,
hydrolysis, assimilation of: acetate, L-alanine,L-histidine, itaconate, lactate, malonate, propionate, caprate, citrate, potassium
gluconate, glucose, arabinose, mannose, mannitol, phenylacetic acid and malate.
Negative for chitinase, CM-cellulase, DNase, beta-galactosidase, lysine decarboxylase, ornithine decarboxylase, esculin hydrolysis,
H2S production, urease, tryptophan deaminase, indole production, gelatinase, valine arylamidase, beta-glucosidase, cystine
arylamidase, lipase (C14), trypsin, alpha-chymotrypsin, alpha- and beta-galactosidase, beta-glucuronidase, alpha- and
beta-glucosidase, N-acetyl-beta-glucosaminidase, alpha-mannosidase, alpha-fucosidase, egg-yolk hydrolysis, L-tyrosine hydrolysis,
urease, acidification of glucose, fermentation/oxidation of glucose, mannitol, inositol, sorbitol, rhamnose, sucrose, melibiose,
amygdalin and arabinose.
No assimilation of: L-serine, inositol, 2- and 5-ketogluconate, L-arabinose, N-acetylglucosamine, maltose and adipate.
acetoin production, esterase lipase (C8), naphthol-AS-BI- phosphohydrolase, esterase (C4), leucine arylamidase, oxidase, starch,
hydrolysis, assimilation of: acetate, L-alanine,L-histidine, itaconate, lactate, malonate, propionate, caprate, citrate, potassium
gluconate, glucose, arabinose, mannose, mannitol, phenylacetic acid and malate.
Negative for chitinase, CM-cellulase, DNase, beta-galactosidase, lysine decarboxylase, ornithine decarboxylase, esculin hydrolysis,
H2S production, urease, tryptophan deaminase, indole production, gelatinase, valine arylamidase, beta-glucosidase, cystine
arylamidase, lipase (C14), trypsin, alpha-chymotrypsin, alpha- and beta-galactosidase, beta-glucuronidase, alpha- and
beta-glucosidase, N-acetyl-beta-glucosaminidase, alpha-mannosidase, alpha-fucosidase, egg-yolk hydrolysis, L-tyrosine hydrolysis,
urease, acidification of glucose, fermentation/oxidation of glucose, mannitol, inositol, sorbitol, rhamnose, sucrose, melibiose,
amygdalin and arabinose.
No assimilation of: L-serine, inositol, 2- and 5-ketogluconate, L-arabinose, N-acetylglucosamine, maltose and adipate.
(c) Costin Stoica
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