''Castellaniella'' 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 ...

, facultatively

anaerobic Anaerobic means "living, active, occurring, or existing in the absence of free oxygen", as opposed to aerobic which means "living, active, or occurring only in the presence of oxygen." Anaerobic may also refer to: * Anaerobic adhesive, a bonding a ...

, motile bacteria from the family of

Alcaligenaceae The Alcaligenaceae are a family of bacteria, included in the order Burkholderiales. Members are found in water, soil, humans, and other animals.Garrity, George M.; Brenner, Don J.; Krieg, Noel R.; Staley, James T. (eds.) (2005). ''Bergey's Manual ...

References

Burkholderiales Bacteria genera {{Betaproteobacteria-stub