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Scientific classification
Kingdom: Bacteria
Phylum: Proteobacteria
Class: Gammaproteobacteria
Order: Chromatiales
Family: Chromatiaceae
Genus: Chromatium
Perty 1852
Type species
Chromatium okenii

C. buderi
C. glycolicum
C. gracile
C. minus
C. minutissimum
C. okenii
C. purpuratum
C. salexigens
C. tepidum
C. vinosum
C. violascens
C. armingii
C. weisii
C. gracile

Chromatium is a genus of photoautotrophic Gram-negative bacteria which are found in water.[1] The cells are straight rod-shaped or slightly curved. They belong to the purple sulfur bacteria and oxidize sulfide to produce sulfur which is deposited in intracellular granules of the cytoplasm.[2]


  1. ^ Madigan M, Martinko J (editors) (2006). Brock Biology of Microorganisms (13th ed.). Pearson Education. p. 1096. ISBN 0-321-73551-X. 
  2. ^ George M. Garrity: Bergey's Manual of Systematic Bacteriology. 2. Auflage. Springer, New York, 2005, Volume 2: The Proteobacteria, Part B: The Gammaproteobacteria

External links[edit]

  • Chromatium J.P. Euzéby: List of Prokaryotic names with Standing in Nomenclature