Radaisia
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| Radaisia | |
|---|---|
Scientific classification  | |
| Domain: | Bacteria |
| Phylum: | Cyanobacteria |
| Class: | Cyanophyceae |
| Order: | Chroococcales |
| Family: | Hyellaceae |
| Genus: | Radaisia Sauvageau, 1895 |
| Species | |
|
See text | |
Radaisia is a genus of coccoid cyanobacterium comprising about 10 identified species.[1] It is a colonial cyanobacterium, the bacteria initially forming a round to irregularly shaped flat group of gelatinous or crustose cells attached to the substrate from which arise rows of pseudofilamentous cells in mucilaginous sheaths perpendicular to the initial colony.[1][2] Apical cells of the pseodofilamentous sheaths are elongate compared to proximal cells in the sheath.[1] Cell division in the genus is notably irregular, although usually perpendicular to the axis in the pseudofilament.[1] The cells are light blue-green to reddish purple in color.[1]