Calothrix
Genus of bacteria
From Wikipedia, the free encyclopedia
Calothrix is a genus of cyanobacteria. They are generally found in freshwater.[2]
| Calothrix | |
|---|---|
| |
| A 1921 drawing of Calothrix | |
Scientific classification  | |
| Domain: | Bacteria |
| Kingdom: | Bacillati |
| Phylum: | Cyanobacteriota |
| Class: | Cyanophyceae |
| Order: | Nostocales |
| Family: | Rivulariaceae |
| Genus: | Calothrix Bornet & Flahault 1886[1] |
| Type species | |
| Calothrix confervicola Agardh ex Bornet and Flahault 1886 | |
| Species | |
|
Calothrix adscendens | |
Removed members
Some members of the genus such as Calothrix rhizosoleniae are endosymbionts of diatoms, providing a nitrogen-fixing function.[3] It is assigned by Bergey's to Richelia, which is closely related to this species (unlike the rest of Calothrix.[4][5]
GTDB Release 10-RS226 (16th April 2025) does not include Calothrix as a genus, opting to instead assign its members to other genera. No genomes of the type species are available.[6]
