Rhodospirillales

The Rhodospirillales are an order of Proteobacteria, with two families: the Acetobacteraceae and the Rhodospirillaceae.[1]

Purple sulfur bacteria
Scientific classification
Domain:	Bacteria
Phylum:	Proteobacteria
Class:	Alphaproteobacteria
Order:	Rhodospirillales
Families
Rhodospirillaceae Acetobacteraceae

The Acetobacteraceae comprise the acetic acid bacteria, which are heterotrophic and produce acetic acid during their respiration.[2] The Rhodospirillaceae include mainly purple nonsulfur bacteria, which produce energy through photosynthesis.[2]

References

1. LPSN Archived 2012-03-03 at the Wayback Machine
2. Garrity, George M.; Brenner, Don J.; Krieg, Noel R.; Staley, James T. (eds.) (2005). Bergey's Manual of Systematic Bacteriology, Volume Two: The Proteobacteria, Part C: The Alpha-, Beta-, Delta-, and Epsilonproteobacteria. New York, New York: Springer. ISBN 978-0-387-24145-6.