|
Pseudomonadaceae
The Pseudomonadaceae are a family of bacteria which includes the genera '' Azomonas'', '' Azorhizophilus'', ''Azotobacter'', '' Mesophilobacter'', ''Pseudomonas'' (the type genus), and '' Rugamonas''. The family Azotobacteraceae was recently reclassified into this family. History Pseudomonad literally means false unit, being derived from the Greek ''pseudo'' (ψευδο – false) and ''monas'' (μονος – a single unit). The term "monad" was used in the early history of microbiology to denote single-celled organisms. Because of their widespread occurrence in nature, the pseudomonads were observed early in the history of microbiology. The generic name ''Pseudomonas'' created for these organisms was defined in rather vague terms in 1894 as a genus of Gram-negative, rod-shaped, and polar-flagellated bacteria. Soon afterwards, a large number of species was assigned to the genus. Pseudomonads were isolated from many natural niches. New methodology and the inclusion of approaches ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Azorhizophilus
''Azorhizophilus'' is a genus from the family of Pseudomonadaceae The Pseudomonadaceae are a family of bacteria which includes the genera '' Azomonas'', '' Azorhizophilus'', ''Azotobacter'', '' Mesophilobacter'', ''Pseudomonas'' (the type genus), and '' Rugamonas''. The family Azotobacteraceae was recently re ..., with one known species ('' Azorhizophilus paspali''). References Further reading * {{Taxonbar, from=Q26225447 Pseudomonadales Monotypic bacteria genera Bacteria genera ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pyoverdine
Pyoverdines (alternatively, and less commonly, spelled as pyoverdins) are fluorescent siderophores produced by certain pseudomonads. Pyoverdines are important virulence factors, and are required for pathogenesis in many biological models of infection. Their contributions to bacterial pathogenesis include providing a crucial nutrient (i.e., iron), regulation of other virulence factors (including exotoxin A and the protease PrpL), supporting the formation of biofilms, and are increasingly recognized for having toxicity themselves. Pyoverdines have also been investigated as "Trojan Horse" molecules for the delivery of antimicrobials to otherwise resistant bacterial strains, as chelators that can be used for bioremediation of heavy metals, and as fluorescent reporters used to assay for the presence of iron and potentially other metals. Due to their bridging the gaps between pathogenicity, iron metabolism, and fluorescence, pyoverdines have piqued the curiosity of scientists aro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rhizobacter
''Rhizobacter'' is a genus of bacteria from the family Pseudomonadaceae The Pseudomonadaceae are a family of bacteria which includes the genera '' Azomonas'', '' Azorhizophilus'', ''Azotobacter'', '' Mesophilobacter'', ''Pseudomonas'' (the type genus), and '' Rugamonas''. The family Azotobacteraceae was recently re .... References Pseudomonadales Bacteria genera {{Gammaproteobacteria-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pseudomonas Fluorescens
''Pseudomonas fluorescens'' is a common Gram-negative, rod-shaped bacterium. It belongs to the ''Pseudomonas'' genus; 16S rRNA analysis as well as phylogenomic analysis has placed ''P. fluorescens'' in the ''P. fluorescens'' group within the genus, Text was copied from this source, which is available under Creative Commons Attribution 4.0 International License to which it lends its name. General characteristics ''Pseudomonas fluorescens'' has multiple flagella. It has an extremely versatile metabolism, and can be found in the soil and in water. It is an obligate aerobe, but certain strains are capable of using nitrate instead of oxygen as a final electron acceptor during cellular respiration. Optimal temperatures for growth of ''P. fluorescens'' are 25–30° C. It tests positive for the oxidase test. It is also a nonsaccharolytic bacterial species. Heat-stable lipases and proteases are produced by ''P. fluorescens'' and other similar pseudomonads. These enzymes c ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Halopseudomonas
''Halopseudomonas'' is a genus of pseudomonad bacteria. Species The genus ''Halopseudomonas'' comprises the following species: * '' Halopseudomonas aestusnigri'' (Sánchez et al. 2014) Rudra and Gupta 2021 * '' Halopseudomonas bauzanensis'' (Zhang et al. 2011) Rudra and Gupta 2021 * '' Halopseudomonas formosensis'' (Lin et al. 2013) Rudra and Gupta 2021 * '' Halopseudomonas gallaeciensis'' (Mulet et al. 2018) Rudra and Gupta 2021 * '' Halopseudomonas litoralis'' (Pascual et al. 2012) Rudra and Gupta 2021 * '' Halopseudomonas oceani'' (Wang and Sun 2016) Rudra and Gupta 2021 * '' Halopseudomonas pachastrellae'' (Romanenko et al. 2005) Rudra and Gupta 2021 * '' Halopseudomonas pelagia'' (Hwang et al. 2009) Rudra and Gupta 2021 * '' Halopseudomonas pertucinogena'' (Kawai and Yabuuchi 1975) Rudra and Gupta 2021 * '' Halopseudomonas sabulinigri'' (Kim et al. 2009) Rudra and Gupta 2021 * '' Halopseudomonas salegens'' (Amoozegar et al. 2014) Rudra and Gupta 2021 * '' Halopseudomonas sal ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Azotobacter
''Azotobacter'' is a genus of usually motile, oval or spherical bacteria that form thick-walled cysts (and also has hard crust) and may produce large quantities of capsular slime. They are aerobic, free-living soil microbes that play an important role in the nitrogen cycle in nature, binding atmospheric nitrogen, which is inaccessible to plants, and releasing it in the form of ammonium ions into the soil (nitrogen fixation). In addition to being a model organism for studying diazotrophs, it is used by humans for the production of biofertilizers, food additives, and some biopolymers. The first representative of the genus, ''Azotobacter chroococcum'', was discovered and described in 1901 by Dutch microbiologist and botanist Martinus Beijerinck. ''Azotobacter'' species are Gram-negative bacteria found in neutral and alkaline soils, in water, and in association with some plants. Biological characteristics Morphology Cells of the genus ''Azotobacter'' are relatively large ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Azomonas
''Azomonas'' species are typically motile, oval to spherical, and secrete large quantities of capsular slime. They are distinguished from ''Azotobacter'' by their inability to form cysts, but like ''Azotobacter'', they can biologically fix nitrogen under aerobic conditions (diazotrophs). Bacteria of the genus ''Azomonas'' are known to form intracellular inclusions of polyhydroxyalkanoates under certain environmental conditions (e.g. lack of elements such as phosphorus, nitrogen, or oxygen combined with an excessive supply of carbon sources). Etymology The name ''Azomonas'' derives from: : New Latin noun ''azotum'' Greek_noun_ζωή,_''zōē'',_life;_Greek_language.html" "title="Ancient_Greek_language.html" "title="Ancient_Greek_language.html" "title="rom Fr. noun ''azote'' (from Ancient Greek language">Greek prep. ά, ''a'', not; Ancient Greek language">Greek noun ζωή, ''zōē'', life; Greek language">Greek Greek may refer to: Greece Anything of, from, or related to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pseudomonas
''Pseudomonas'' is a genus of Gram-negative, Gammaproteobacteria, belonging to the family Pseudomonadaceae and containing 191 described species. The members of the genus demonstrate a great deal of metabolic diversity and consequently are able to colonize a wide range of niches. Their ease of culture ''in vitro'' and availability of an increasing number of ''Pseudomonas'' strain genome sequences has made the genus an excellent focus for scientific research; the best studied species include '' P. aeruginosa'' in its role as an opportunistic human pathogen, the plant pathogen '' P. syringae'', the soil bacterium '' P. putida'', and the plant growth-promoting ''P. fluorescens, P. lini, P. migulae'', and ''P. graminis''. Because of their widespread occurrence in water and plant seeds such as dicots, the pseudomonads were observed early in the history of microbiology. The generic name ''Pseudomonas'' created for these organisms was defined in rather vague terms by Walter Migula ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ancient Greek
Ancient Greek includes the forms of the Greek language used in ancient Greece and the ancient world from around 1500 BC to 300 BC. It is often roughly divided into the following periods: Mycenaean Greek (), Dark Ages (), the Archaic period (), and the Classical period (). Ancient Greek was the language of Homer and of fifth-century Athenian historians, playwrights, and philosophers. It has contributed many words to English vocabulary and has been a standard subject of study in educational institutions of the Western world since the Renaissance. This article primarily contains information about the Epic and Classical periods of the language. From the Hellenistic period (), Ancient Greek was followed by Koine Greek, which is regarded as a separate historical stage, although its earliest form closely resembles Attic Greek and its latest form approaches Medieval Greek. There were several regional dialects of Ancient Greek, of which Attic Greek developed into Koi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pseudomonas Syringae
''Pseudomonas syringae'' is a rod-shaped, Gram-negative bacterium with polar flagella. As a plant pathogen, it can infect a wide range of species, and exists as over 50 different pathovars, all of which are available to researchers from international culture collections such as the NCPPB, ICMP, and others. ''Pseudomonas syringae'' is a member of the genus ''Pseudomonas'', and based on 16S rRNA analysis, it has been placed in the ''P. syringae'' group. It is named after the lilac tree (''Syringa vulgaris''), from which it was first isolated. A phylogenomic analysis of 494 complete genomes from the entire ''Pseudomonas'' genus showed that ''P. syringae'' does not form a monophyletic species in the strict sense, but a wider evolutionary group that also included other species as well, such as ''P. avellanae'', ''P. savastanoi'', ''P. amygdali'', and ''P. cerasi''. ''Pseudomonas syringae'' tests negative for arginine dihydrolase and oxidase activity, and forms the polymer le ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
