Green sulfur bacteria
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The green sulfur bacteria are a phylum, Chlorobiota,[4] of obligately anaerobic photoautotrophic bacteria that metabolize sulfur.[5]
Quick Facts Scientific classification, Families and Genera ...
Green sulfur bacteria | |
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Green sulfur bacteria in a Winogradsky column | |
Scientific classification | |
Domain: | Bacteria |
(unranked): | Bacteroidota–Chlorobiota group |
Phylum: | Chlorobiota Iino et al. 2021[1] |
Class: | "Chlorobia" Garrity and Holt 2001[2] |
Order: | Chlorobiales Gibbons and Murray 1978 (Approved Lists 1980)[3] |
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Green sulfur bacteria are nonmotile (except Chloroherpeton thalassium, which may glide) and capable of anoxygenic photosynthesis.[5][6] They live in anaerobic aquatic environments.[7] In contrast to plants, green sulfur bacteria mainly use sulfide ions as electron donors.[8] They are autotrophs that utilize the reverse tricarboxylic acid cycle to perform carbon fixation.[9] They are also mixotrophs and reduce nitrogen.[10][11]