Sphingomonas was defined in 1990 as a group of Gram-negative, rod-shaped, chemoheterotrophic, strictly aerobic bacteria. They possess ubiquinone 10 as their major respiratory quinone, contain glycosphingolipids (GSLs) instead of lipopolysaccharide (LPS) in their cell envelopes, and typically produce yellow-pigmented colonies. By 2001, the genus included more than 20 species that were quite diverse in terms of their phylogenetic, ecological, and physiological properties.

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  • Sphingomonas es un grupo de bacterias Gram negativas con forma de bacilo, quimioheterótrofas y estrictamente aerobias. Contienen ubiquinona 10 como su principal quinona respiratoria, glicoesfingolípidos (GSLs) en vez de lipopolisacáridos en su envoltura celular y típicamente forman colonias de color amarillo. El grupo fue definido en 1990 y en 2001 el género Sphingomonas incluía más de 20 especies bastante diversas en términos de sus características filogenéticas, ecológicas y fisiológicas. Como consecuencia de ello, Sphingomonas fue subdividido en cuatro géneros: Sphingomonas, Sphingobium, Novosphingobium y Sphingopyxis. Estos cuatro géneros son colectivamente referidos como "sphingomonas". Las sphingomonas se distribuyen extensamente en la naturaleza habiéndose aislado de diferentes hábitats terrestres y acuáticos, de los sistemas radiculares de las plantas, especímenes clínicos y de muchas otras fuentes. Algunas de las sphingomonas (especialmente Sphingomonas paucimobilis) causan enfermedades en los seres humanos, principalmente infecciones hospitalarias que típicamente son tratadas fácilmente con antibióticos. Debido a sus capacidades biodegradantes y biosintéticas, las sphingomonas se han utilizado en un amplio rango de aplicaciones biotecnológicas, desde biorremediación de contaminantes ambientales hasta la producción de polímeros extracelulares como esfinganos usados ampliamente en la industria alimentaria y en otras.
  • Sphingomonas was defined in 1990 as a group of Gram-negative, rod-shaped, chemoheterotrophic, strictly aerobic bacteria. They possess ubiquinone 10 as their major respiratory quinone, contain glycosphingolipids (GSLs) instead of lipopolysaccharide (LPS) in their cell envelopes, and typically produce yellow-pigmented colonies. By 2001, the genus included more than 20 species that were quite diverse in terms of their phylogenetic, ecological, and physiological properties. As a result, the Sphingomonas were subdivided into four genera: Sphingomonas, Sphingobium, Novosphingobium, " Sphingosinicella", and Sphingopyxis. These genera are commonly referred to collectively as sphingomonads. The sphingomonads are widely distributed in nature, having been isolated from many different land and water habitats, as well as from plant root systems, clinical specimens, and other sources; this is due to their ability to survive in low concentrations of nutrients, as well as to metabolize a wide variety of carbon sources. Numerous strains have been isolated from environments contaminated with toxic compounds, where they display the ability to utilize the contaminants as nutrients. Some of the sphingomonads (especially Sphingomonas paucimobilis) also play a role in human disease, primarily by causing a range of mostly nosocomial, non-life-threatening infections that typically are easily treated by antibiotic therapy. , Due to their biodegradative and biosynthetic capabilities, sphingomonads have been utilised for a wide range of biotechnological applications, from bioremediation of environmental contaminants to production of extracellular polymers such as sphingans used extensively in the food and other industries. The shorter carbohydrate moiety of GSL compared to that of LPS results in the cell surface being more hydrophobic than that of other Gram-negative bacteria, probably accounting for both Sphingomonas' sensitivity to hydrophobic antibiotics and its ability to degrade hydrophobic polycyclic aromatic hydrocarbons. One strain, Sphingomonas sp. 2MPII, can degrade 2-methylphenanthrene In May 2008, Daniel Burd, a 16-year-old Canadian, won the Canada-Wide Science Fair in Ottawa after discovering that Sphingomonas can degrade over 40% of the weight of plastic bags in less than three months. A Sphingomonas sp. strain BSAR-1 expressing a high activity alkaline phosphatase (PhoK) has also been applied for bioprecipitation of uranium from alkaline solutions. The precipitation ability was enhanced by overexpressing PhoK protein in E. coli. This is the first report of bioprecipitation of uranium under alkaline conditions, adding another feather in the cap of the Sphingomonads.
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  • Sphingomonas echinoides
  • Sphingomonas paucimobilis
  • Sphingomonas trueperi
  • Sphingomonas adhaesiva
  • Sphingomonas aerolata
  • Sphingomonas aquatilis
  • Sphingomonas asaccharolytica
  • Sphingomonas aurantiaca
  • Sphingomonas baekryungensis
  • Sphingomonas chungbukensis
  • Sphingomonas cloacae
  • Sphingomonas elodea
  • Sphingomonas faeni
  • Sphingomonas koreensis
  • Sphingomonas mali
  • Sphingomonas melonis
  • Sphingomonas natatoria
  • Sphingomonas oligophenolica
  • Sphingomonas parapaucimobilis
  • Sphingomonas phyllosphaerae
  • Sphingomonas pituitosa
  • Sphingomonas pruni
  • Sphingomonas roseiflava
  • Sphingomonas sanguinis
  • Sphingomonas suberifaciens
  • Sphingomonas taejonensis
  • Sphingomonas ursincola
  • Sphingomonas wittichii
  • Sphingomonas xenophaga
  • Sphingomonas yabuuchiae
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  • Sphingomonas es un grupo de bacterias Gram negativas con forma de bacilo, quimioheterótrofas y estrictamente aerobias. Contienen ubiquinona 10 como su principal quinona respiratoria, glicoesfingolípidos (GSLs) en vez de lipopolisacáridos en su envoltura celular y típicamente forman colonias de color amarillo. El grupo fue definido en 1990 y en 2001 el género Sphingomonas incluía más de 20 especies bastante diversas en términos de sus características filogenéticas, ecológicas y fisiológicas.
  • Sphingomonas was defined in 1990 as a group of Gram-negative, rod-shaped, chemoheterotrophic, strictly aerobic bacteria. They possess ubiquinone 10 as their major respiratory quinone, contain glycosphingolipids (GSLs) instead of lipopolysaccharide (LPS) in their cell envelopes, and typically produce yellow-pigmented colonies. By 2001, the genus included more than 20 species that were quite diverse in terms of their phylogenetic, ecological, and physiological properties.
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