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Scientific classification
Kingdom: Bacteria
Phylum: Proteobacteria
Class: Alpha Proteobacteria
Order: Sphingomonadales
Family: Sphingomonadaceae
Genus: Sphingobium

Sphingobium amiense
Sphingobium chlorophenolicum
Sphingobium herbicidovorans
Sphingobium japonicum Sphingobium yanoikuyae

Sphingobium species are different from other sphingomonads in that they are commonly isolated from soil; however, Sphingobium yanoikuyae was isolated from a clinical specimen. They can degrade a variety of chemicals in the environment such as aromatic and chloroaromatic compounds, phenols like nonylphenol and pentachlorophenol, herbicides such as (RS)-2-(4-chloro-2-methylphenoxy) propionic acid and hexachlorocyclohexane, and polycyclic aromatic hydrocarbons.