Ectothiorhodospiraceae | |
---|---|
Scientific classification | |
Domain: | Bacteria |
Phylum: | Pseudomonadota |
Class: | Gammaproteobacteria |
Order: | Chromatiales |
Family: | Ectothiorhodospiraceae |
Genera [1] [2] | |
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The Ectothiorhodospiraceae are a family of purple sulfur bacteria, distinguished by producing sulfur globules outside of their cells. [4] The cells are rod-shaped, vibrioid, or spirilla, and they are able to move using flagella. In general, they are marine and prefer anaerobic conditions. [4] Ectothiorhodospiraceae are a vibrio bacteria that require salty living conditions to survive and grow: classifying them as slightly halophilic. [4] Like all purple sulfur bacteria, they are capable of photosynthesis. To complete this energy process, Sulfur compounds are used as electron donors for carbon fixation in the pentose phosphate pathway. [4] This elemental sulfur accumulates outside of the cells. [4]
Ectothiorhodospiraceae mobilis Table of Characteristics [4]
Test Type | Test | Characteristics |
---|---|---|
Colony Characteristics | Size | 0.7-1.0μm |
Morphological Character | Shape | short spiral/ bent rod |
Gram | - | |
Physiological Character | Motility | + |
NaCl optimum % | 2-3 | |
pH optimum | 7.6-8.0 | |
Acid Produced From | Hydrogen | + |
Sulfide | + | |
Lactate | +/- | |
Acetate | + | |
Malate | + | |
Succinate | + | |
Ethanol | - | |
Propanol | - |
Note: + = positive, - = negative
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The Bacteroidaceae are a family of environmental gram-negative bacteria commonly found in the human gut microbiota.
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Caldanaerobacter is a Gram-positive or negative and strictly anaerobic genus of bacteria from the family of Thermoanaerobacteraceae.
Carboxydothermus is a genus of thermophilic, anaerobic bacteria from the family of Thermoanaerobacteraceae.
Gaiella occulta is a rod-shaped and non-motile bacterium from the genus Gaiella which has been isolated from deep mineral water in Portugal.
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Ectothiorhodosinus is a genus of bacteria from the family of Ectothiorhodospiraceae with one known species. Ectothiorhodosinus mongolicus has been isolated the Lake Dzun-Uldziit-Nur in the Mongolia.
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