Cyanidiophyceae

Class of algae

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

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.

External links

  • www.shigen.nig.ac.jp/algae_tree/CyanidiophyceaeE.html
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Classification of Archaeplastida or Plantae s.l.
Domain
Archaea
Bacteria
Eukaryota
(major groups
Excavata
Diaphoretickes
Hacrobia
Rhizaria
Alveolata
Stramenopiles
Plants
Amorphea
Amoebozoa
Opisthokonta
Animals
Fungi)
Archaeplastida
Picozoa
Rhodelphidia
Rhodophyta
(red algae)
Glaucophyta
incertae sedis
Viridiplantae
or Plantae s.s.
(green algae &
land plants)
Prasinodermophyta
 Chlorophyta
Prasinophytina
Chlorophytina
Streptophyta
Phragmoplastophyta
Anydrophyta
Embryophyta
(land plants)
  • (see below↓)
Embryophytes or Plantae sensu strictissimo
Bryophytes
Marchantiophyta
(liverworts)
Anthocerotophyta
(hornworts)
Bryophyta
(mosses)
 Polysporangiophytes
Protracheophytes*
Tracheophytes
(vascular plants)
Paratracheophytes*
Eutracheophytes
Lycophytes
Euphyllophytes
Moniliformopses
Lignophytes
Progymnosperms*
  • †Noeggerathiopsida
  • †Aneurophytopsida
  • †Archaeopteridopsida
  • †Protopityales
Spermatophytes
(seed plants)
Pteridosperms*
(seed ferns)
and other extinct
seed plant groups
Acrogymnospermae
(living gymnosperms)
Angiospermae
(flowering plants)
Taxon identifiers
Cyanidiophyceae
Cyanidiales


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