(microbiology) The single order of the phototrophic bacteria; cells are spherical, rod-shaped, spiral, or vibrio-shaped, and all contain bacteriochlorophylls and carotenoid pigments.
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| Purple sulfur bacteria | |
|---|---|
| Scientific classification | |
| Kingdom: | Bacteria |
| Phylum: | Proteobacteria |
| Class: | Alphaproteobacteria |
| Order: | Rhodospirillales |
| Families | |
The Rhodospirillales is an order of Proteobacteria, with two families: the Acetobacteraceae and the Rhodospirillaceae[1].
The Acetobacteraceae comprise the acetic acid bacteria, which are heterotrophic and produce acetic acid during their respiration[2]. The Rhodospirillaceae include mainly purple non-sulfur bacteria, which produce energy through photosynthesis[2].
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