Radaisia
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 mucilagionous 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]
| Radaisia | |
|---|---|
Scientific classification  | |
| Domain: | Bacteria |
| Phylum: | Cyanobacteria |
| Class: | Cyanophyceae |
| Order: | Pleurocapsales |
| Family: | Hyellaceae |
| Genus: | Radaisia Sauvageau, 1895 |
| Species | |
|
See text | |
Species
Some species currently in this genus include:
- R. clavata
- R. confluens
- R. epiphytica
- R. gardneri
- R. gomontiana
- R. pusilla
- R. violacea
- R. willei
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References
- Sheath, Robert G.; John D. Wehr (2003). Freshwater algae of North America: ecology and classification. Boston: Academic Press. pp. 108–110. ISBN 0-12-741550-5.
- Khattar, JIS; Singh, DP; Kaur, Gurpreet (2009). Algal Biology and Biotechnology. I K International Publishing House. ISBN 978-93-8002-619-0.
- Guiry, M.D.; Guiry, G.M. (2008). "Radaisia". AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. Retrieved 2009-06-24.
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