Biology:Radaisia

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Short description: Genus of bacteria

Radaisia
Scientific classification e
Domain: Bacteria
Phylum: Cyanobacteria
Class: Cyanophyceae
Order: Pleurocapsales
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]

Species

Some species currently in this genus include:

  • R. clavata
  • R. confluens
  • R. epiphytica
  • R. gardneri
  • R. gomontiana
  • R. pusilla
  • R. violacea
  • R. willei

References

  1. 1.0 1.1 1.2 1.3 1.4 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. https://archive.org/details/freshwateralgaen00shea. 
  2. Khattar, JIS; Singh, DP; Kaur, Gurpreet (2009). Algal Biology and Biotechnology. I K International Publishing House. ISBN 978-93-8002-619-0. 

Wikidata ☰ Q7279939 entry