Cited by 85Bacterial Genetics and BiotechnologyGenomics and Phylogenetic StudiesBacterial biofilms and quorum sensing

Pseudomonas

Palleroni, Norberto J.·2015·Bergey's Manual of Systematics of Archaea and Bacteria

Abstract

Abstract Pseu.do'mo.nas or Pseu.do.mo'nas. Gr. adj. pseudes false; Gr. n. monas a unit, monad; M.L. fem. n. Pseudomonas false monad. Straight or slightly curved rods but not helical, 0.5–1.0 × 1.5–5.0 µm. Most of the species do not accumulate granules of polyhydroxybutyrate , but accumulation of polyhydroxyalkanoates of monomer lengths higher than C 4 may occur when growing on alkanes or gluconate. Do not produce prosthecae and are not surrounded by sheaths. No resting stages are known. Gram negative. Motile by one or several polar flagella ; rarely nonmotile. In some species lateral flagella of short wavelength may also be formed. Aerobic, having a strictly respiratory type of metabolism with oxygen as the terminal electron acceptor; in some cases nitrate can be used as an alternate electron acceptor , allowing growth to occur anaerobically. Xanthomonadins are not produced . Most, if not all, species fail to grow under acid conditions (pH 4.5 or lower). Most species do not require organic growth factors. Oxidase positive or negative. Catalase positive. Chemoorganotrophic. Strains of the species include in their composition the hydroxylated fatty acids C 10 : 0 3OH and C 12 : 0 , and C 12 : 0 2OH , and ubiquinone Q‐9 . Widely distributed in nature. Some species are pathogenic for humans, animals, or plants. The mol % G + C of the DNA is : 58–69. Type species : Pseudomonas aeruginosa (Schroeter 1872) Migula 1900, 884 ( Bacterium aeruginosum Schroeter 1872, 126.) Taxonomic and Nomenclature Notes According to the List of Prokaryotic names with Standing in Nomenclature (LPSN), the taxonomic status of the genus Pseudomonas is: correct name (last update, February 2025) * . LPSN classification: Bacteria / Pseudomonadati / Pseudomonadota / Gammaproteobacteria / Pseudomonadales / Pseudomonadaceae / Pseudomonas The genus Pseudomonas can also be recovered in the Genome Taxonomy Database (GTDB) as g__Pseudomonas (version v220) ** . GTDB classification: d__Bacteria / p__Pseudomonadota / c__Gammaproteobacteria / o__Pseudomonadales / f__Pseudomonadaceae / g__Pseudomonas * Meier‐Kolthoff et al. ( 2022 ). Nucleic Acids Res , 50 , D801 – D807 ; DOI: 10.1093/nar/gkab902 ** Parks

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Crossref · 10.1002/9781118960608.gbm01210

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Authors
Palleroni, N. J.
Affiliations
Rutgers, The State University of New Jersey (US)
Corresponding author
Palleroni, Norberto J.
Venue
Bergey's Manual of Systematics of Archaea and Bacteria
Publisher
Wiley
Published
2015-09-14
Pages
1-1
OpenAlex
W4211084001
Cited by
85
References
555
Citations by year
2026: 5 · 2025: 13 · 2024: 10 · 2023: 4 · 2022: 8 · 2021: 19 · 2020: 12 · 2019: 6 · 2018: 7 · 2017: 1
Type
other
Language
en
Open access
closed
Locations
Bergey's Manual of Systematics of Archaea and Bacteria (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Bacterial Genetics and Biotechnology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Phylogenetic Studies
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Bacterial biofilms and quorum sensing
Keywords
Pseudomonas, bacterial taxonomy, bacterial nomenclature, Pseudomonas aeruginosa, polyhydroxyalkanoates, polyhydroxybutyrate, bacterial morphology, Gram-negative bacteria, hydroxy fatty acids, pathogenic bacteria, Gammaproteobacteria, Pseudomonadaceae

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