| Chloroflexales | |
|---|---|
Scientific classification | |
| Domain: | Bacteria |
| Kingdom: | Bacillati |
| Phylum: | Chloroflexota |
| Class: | Chloroflexia |
| Order: | Chloroflexales Gupta et al. 2013 |
| Families | |
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Chloroflexales is an order of bacteria in the classChloroflexia.[1] The clade is also known asfilamentous anoxygenic phototrophic bacteria (FAP),[2] as the order containsphototrophs that do not produce oxygen. These bacteria are facultative aerobic.[3] They generally usechemotrophy when oxygen is present and switch to light-derived energy when otherwise. Most species areheterotrophs, but a few are capable ofphotoautotrophy.[2]
The order can be divided into two suborders.Chloroflexineae ("Green FAP", "green non-sulfur bacteria") is the better-known one. This suborder useschlorosomes, a specialized antenna complex, to pass light energy to the reaction center.Roseiflexineae ("Red FAP") on the other hand has no such ability. The named colors are not absolute, as growth conditions such as oxygen concentration will make a green FAP appear green, brown, or reddish-orange by inducing changes in pigment composition.[2]
The currently accepted taxonomy is based on theList of Prokaryotic names with Standing in Nomenclature (LPSN)[4] andNational Center for Biotechnology Information (NCBI).[5]
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