''Chromobacterium'' is a genus of

Gram-negative Gram-negative bacteria are bacteria that do not retain the crystal violet stain used in the Gram staining method of bacterial differentiation. They are characterized by their cell envelopes, which are composed of a thin peptidoglycan cell wall ...

rod-shaped bacteria. Currently, eleven species within the genus are known, two of those are ''

Chromobacterium violaceum ''Chromobacterium violaceum'' is a Gram-negative, facultative anaerobic, non-sporing coccobacillus. It is motile with the help of a single flagellum which is located at the pole of the coccobacillus. Usually, there are one or two more lateral f ...

'' and ''Chromobacterium subtsugae''; the latter was discovered by scientists at the Agricultural Research Service in Beltsville, Maryland.

References

Neisseriales Bacteria genera {{Betaproteobacteria-stub