Cyanidiophyceae
Cyanidium sp.
Scientific classification Edit this classification
(unranked): Archaeplastida
Division: Rhodophyta
Subdivision: Cyanidiophytina
Class: Cyanidiophyceae
T.Christensen
Families

Cyanidiophyceae is a class of unicellular red algae within subdivision Cyanidiophytina, and contain a single plastid, one to three mitochondria, a nucleus, a vacuole, and floridean starch.[1] Most are extremophiles inhabiting acid hot springs. The main photosynthetic pigment is C-phycocyanin. Reproduction is asexual by binary fission or formation of endospores.[2] After the first massive gene loss in the common ancestor of all red algae, a second gene loss occurred in the ancestor of Cyanidiophyceae. Since then, some gene gains and minor gene losses have taken place independently in the Cyanidiaceae and Galdieriaceae, leading to genetic diversification between the two groups, with Galdieriaceae occupying more diverse and varied niches in extreme environments than Cyanidiaceae.[3]

References

  1. ↑ Seckbach, Joseph; Chapman, David J. (30 August 2010). Red Algae in the Genomic Age. Springer. p. 250. ISBN 978-90-481-3794-7. Retrieved 31 January 2011.
  2. ↑ Yoon, Hwan Su; Muller, Kirsten M.; Sheath, Robert G.; Ott, Franklyn D.; Bhattacharya, Debashish (April 2006). "Defining the Major Lineages of Red Algae (Rhodophyta)1". Journal of Phycology. 42 (2): 482–492. doi:10.1111/j.1529-8817.2006.00210.x. S2CID 27377549.
  3. ↑ Cho, Chung Hyun; Park, Seung In; Huang, Tzu-Yen; Lee, Yongsung; Ciniglia, Claudia; Yadavalli, Hari Chandana; Yang, Seong Wook; Bhattacharya, Debashish; Yoon, Hwan Su (2023). "Genome-wide signatures of adaptation to extreme environments in red algae". Nature Communications. 14 (1): 10. Bibcode:2023NatCo..14...10C. doi:10.1038/s41467-022-35566-x. PMC 9812998. PMID 36599855.


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