''Chromatium'' is a
genus of
photoautotrophic Gram-negative bacteria which are found in
water.
The cells are straight rod-shaped or slightly curved. They belong to the
purple sulfur bacteria and oxidize
sulfide
Sulfide (British English also sulphide) is an inorganic anion of sulfur with the chemical formula S2− or a compound containing one or more S2− ions. Solutions of sulfide salts are corrosive. ''Sulfide'' also refers to chemical compounds lar ...
to produce
sulfur
Sulfur (or sulphur in British English) is a chemical element with the symbol S and atomic number 16. It is abundant, multivalent and nonmetallic. Under normal conditions, sulfur atoms form cyclic octatomic molecules with a chemical formula ...
which is deposited in intracellular granules of the
cytoplasm.
[George M. Garrity: '']Bergey's Manual of Systematic Bacteriology
''Bergey's Manual of Systematic Bacteriology'' is the main resource for determining the identity of prokaryotic organisms, emphasizing bacterial species, using every characterizing aspect.
The manual was published subsequent to the ''Bergey's Manu ...
''. 2. Auflage. Springer, New York, 2005, Volume 2: ''The Proteobacteria, Part B: The Gammaproteobacteria''
References
External links
''Chromatium''J.P. Euzéby: List of Prokaryotic names with Standing in Nomenclature
Chromatiales
Phototrophic bacteria
Bacteria genera
{{Chromatiales-stub