Biology:Viridiplantae

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Short description: Clade of archaeplastids including green algae and the land plants

Viridiplantae
Taiwan 2009 East Coast ShihTiPing Giant Stone Steps Algae FRD 6581.jpg
An assortment of thallophyte Viridiplantae in a rock pool, Taiwan
Scientific classification e
Domain: Eukaryota
Clade: Diaphoretickes
(unranked): Archaeplastida
(unranked): Viridiplantae
Cavalier-Smith, 1981
Subgroups
Synonyms
  • Plantae, Copeland, 1938, 1956[1][2]
  • Euchlorophyta Whittaker, 1969[3]
  • Chlorophyta sensu van den Hoek & Jahns, 1978[4]
  • Chlorobionta Jeffrey 1982, emend. Bremer 1985, emend. Lewis and McCourt 2004
  • Chlorobiota Kendrick and Crane 1997
  • Chloroplastida Adl et al., 2005
  • Viridiplantae Cavalier-Smith 1981[5]
  • Phyta Barkley 1939 emed. Holt & Uidica 2007
  • Cormophyta Endlicher, 1836
  • Cormobionta Rothmaler, 1948
  • Euplanta Barkley, 1949
  • Telomobionta Takhtajan, 1964
  • Embryobionta Cronquist et al., 1966
  • Metaphyta Whittaker, 1969

Viridiplantae (literally "green plants")[5] are a clade of eukaryotic organisms that comprise approximately 450,000–500,000 species and play important roles in both terrestrial and aquatic ecosystems.[6] They are made up of the green algae, which are primarily aquatic, and the land plants (embryophytes), which emerged from within them.[7][8][9] Green algae traditionally excludes the land plants, rendering them a paraphyletic group. However it is accurate to think of land plants as a kind of algae.[10] Since the realization that the embryophytes emerged from within the green algae, some authors are starting to include them.[10][11][12][13][14] They have cells with cellulose in their cell walls, and primary chloroplasts derived from endosymbiosis with cyanobacteria that contain chlorophylls a and b and lack phycobilins.

In some classification systems, the group has been treated as a kingdom,[15] under various names, e.g. Viridiplantae, Chlorobionta, or simply Plantae, the latter expanding the traditional plant kingdom to include the green algae. Adl et al., who produced a classification for all eukaryotes in 2005, introduced the name Chloroplastida for this group, reflecting the group having primary chloroplasts with green chlorophyll. They rejected the name Viridiplantae on the grounds that some of the species are not plants, as understood traditionally.[16] The Viridiplantae are made up of two clades: Chlorophyta and Streptophyta as well as the basal Mesostigmatophyceae and Chlorokybophyceae.[17][18] Together with Rhodophyta and glaucophytes, Viridiplantae are thought to belong to a larger clade called Archaeplastida or Primoplantae.

A taxonomic evaluation of eukaryotes based on myosin distribution showed the Viridiplantae lost class-I myosins.[19]

Phylogeny and classification

Simplified phylogeny of the Viridiplantae, according to Leliaert et al. 2012.[20]

Cladogram

Below is a consensus reconstruction of green algal relationships, mainly based on molecular data.[22][20][21][23][12][24][25][18][26][27][28]

 

glaucophyta

 
 
Viridiplantae
Prasinodermophyta
 

Palmophyllophyceae (prasinophyte clade VI)

 
 

Prasinodermophyceae

 
 
 
Chlorophyta
 
 

Mamiellophyceae (prasinophyte clade II)

 
 

Pyramimonadophyceae (prasinophyte clade I)

 
 
Chlorophytina
 

Nephroselmidophyceae (prasinophyte clade III)

 
 
 
 

Picocystophyceae (prasinophyte clade VIIC)

 
 

Pycnococcaceae (prasinophyte clade V)

 
 
 
 

Chloropicophyceae (prasinophyte clade VIIA & VIIB)

 
Tetraphytina
 

Pedinophyceae

 
 
 

Chlorodendrophyceae (prasinophyte clade IV)

 
 
 

Trebouxiophyceae

 
 
 

Ulvophyceae

 
 

Chlorophyceae

 
 
 
 
 
 
 
 
 
Streptophyta
Mesostigmatophyceae
 

Mesostigma viride

 
 
 

Spirotaenia

 
 

Chlorokybophyceae

 
 
 
 
 

streptofilum

 
 
 

Klebsormidiophyceae

 
Phragmoplastophyta
 

Charophyceae (Stoneworts & musk grasses)

 
 
 

Coleochaetophyceae

 
 
 

Zygnematophyceae

 
 

Embryophytes (land plants)

 
 
 
 
 
 
 
 
 
 
green algae

Ancestrally, the green algae were flagellates.[20]

References

  1. ↑ "The kingdoms of organisms". The Quarterly Review of Biology 13 (4): 383–420. 1938. doi:10.1086/394568. 
  2. ↑ The Classification of Lower Organisms. Palo Alto: Pacific Books. 1956. p. 6. https://archive.org/details/classificationof00cope. 
  3. ↑ "New concepts of kingdoms or organisms. Evolutionary relations are better represented by new classifications than by the traditional two kingdoms". Science 163 (3863): 150–60. January 1969. doi:10.1126/science.163.3863.150. PMID 5762760. http://www.ib.usp.br/inter/0410113/downloads/Whittaker_1969.pdf. Retrieved 2015-01-31. 
  4. ↑ (in de) Einführung in die Phykologie. Stuttgart: Georg Thieme Verlag. 1978. ISBN 9783135511016. https://books.google.com/books?id=tfkmAAAAMAAJ. 
  5. ↑ 5.0 5.1 "Eukaryote kingdoms: seven or nine?". Bio Systems 14 (3–4): 461–81. 1981. doi:10.1016/0303-2647(81)90050-2. PMID 7337818. 
  6. ↑ "One thousand plant transcriptomes and the phylogenomics of green plants". Nature 574 (7780): 679–685. October 2019. doi:10.1038/s41586-019-1693-2. PMID 31645766. 
  7. ↑ "Gain and loss of elongation factor genes in green algae". BMC Evolutionary Biology 9: 39. February 2009. doi:10.1186/1471-2148-9-39. PMID 19216746. 
  8. ↑ Function and evolution of the vacuolar compartment in green algae and land plants (Viridiplantae). International Review of Cytology. 264. 2007. pp. 1–24. doi:10.1016/S0074-7696(07)64001-7. ISBN 9780123742636. https://archive.org/details/internationalrev0000unse_w6f2/page/1. 
  9. ↑ Redfield, Rosemary Jeanne, ed (July 2008). "EEF2 analysis challenges the monophyly of Archaeplastida and Chromalveolata". PLOS ONE 3 (7): e2621. doi:10.1371/journal.pone.0002621. PMID 18612431. Bibcode: 2008PLoSO...3.2621K. 
  10. ↑ 10.0 10.1 "Plants". Current Biology 21 (11): R417–22. June 2011. doi:10.1016/j.cub.2011.04.021. PMID 21640897. 
  11. ↑ "Charophycean Green Algae Home Page". http://www.life.umd.edu/labs/delwiche/Charophyte.html. 
  12. ↑ 12.0 12.1 "From algae to angiosperms-inferring the phylogeny of green plants (Viridiplantae) from 360 plastid genomes". BMC Evolutionary Biology 14: 23. February 2014. doi:10.1186/1471-2148-14-23. PMID 24533922. 
  13. ↑ "The Evolutionary Origin of a Terrestrial Flora". Current Biology 25 (19): R899–910. October 2015. doi:10.1016/j.cub.2015.08.029. PMID 26439353. 
  14. ↑ "Estimating the timing of early eukaryotic diversification with multigene molecular clocks". Proceedings of the National Academy of Sciences of the United States of America 108 (33): 13624–9. August 2011. doi:10.1073/pnas.1110633108. PMID 21810989. Bibcode: 2011PNAS..10813624P. 
  15. ↑ "Viridiplantae". https://www.uniprot.org/taxonomy/33090. 
  16. ↑ "The new higher level classification of eukaryotes with emphasis on the taxonomy of protists". The Journal of Eukaryotic Microbiology 52 (5): 399–451. 2005. doi:10.1111/j.1550-7408.2005.00053.x. PMID 16248873. 
  17. ↑ "EST analysis of the scaly green flagellate Mesostigma viride (Streptophyta): implications for the evolution of green plants (Viridiplantae)". BMC Plant Biology 6: 2. February 2006. doi:10.1186/1471-2229-6-2. PMID 16476162. 
  18. ↑ 18.0 18.1 "Early photosynthetic eukaryotes inhabited low-salinity habitats". Proceedings of the National Academy of Sciences of the United States of America 114 (37): E7737–E7745. September 2017. doi:10.1073/pnas.1620089114. PMID 28808007. 
  19. ↑ "Drawing the tree of eukaryotic life based on the analysis of 2,269 manually annotated myosins from 328 species". Genome Biology 8 (9): R196. 2007. doi:10.1186/gb-2007-8-9-r196. PMID 17877792. 
  20. ↑ 20.0 20.1 20.2 "Phylogeny and molecular evolution of the green algae". Critical Reviews in Plant Sciences 31: 1–46. 2012. doi:10.1080/07352689.2011.615705. https://hal.archives-ouvertes.fr/hal-01590252/file/article.pdf. 
  21. ↑ 21.0 21.1 "Nested in the Chlorellales or independent class? Phylogeny and classification of the Pedinophyceae (Viridiplantae) revealed by molecular phylogenetic analyses of complete nuclear and plastid-encoded rRNA operons". Protist 163 (5): 778–805. September 2012. doi:10.1016/j.protis.2011.11.004. PMID 22192529. 
  22. ↑ "Green algae and the origin of land plants". American Journal of Botany 91 (10): 1535–56. October 2004. doi:10.3732/ajb.91.10.1535. PMID 21652308. http://www.amjbot.org/cgi/content/full/91/10/1535. 
  23. ↑ "Origin of land plants revisited in the light of sequence contamination and missing data". Current Biology 22 (15): R593–4. August 2012. doi:10.1016/j.cub.2012.06.013. PMID 22877776. 
  24. ↑ "Chloroplast phylogenomic analyses reveal the deepest-branching lineage of the Chlorophyta, Palmophyllophyceae class. nov". Scientific Reports 6: 25367. May 2016. doi:10.1038/srep25367. PMID 27157793. Bibcode: 2016NatSR...625367L. 
  25. ↑ "The revised classification of eukaryotes". The Journal of Eukaryotic Microbiology 59 (5): 429–93. September 2012. doi:10.1111/j.1550-7408.2012.00644.x. PMID 23020233. 
  26. ↑ "Plastid phylogenomic analysis of green plants: A billion years of evolutionary history". American Journal of Botany 105 (3): 291–301. March 2018. doi:10.1002/ajb2.1048. PMID 29603143. 
  27. ↑ "From cyanobacteria and algae to land plants: The RpaB/Ycf27 regulatory network in transition". Perspectives in Phycology 5 (1): 13–25. 2018-06-01. doi:10.1127/pip/2018/0078. 
  28. ↑ Linzhou Li; Sibo Wang; Hongli Wang; Sunil Kumar Sahu; Birger Marin; Haoyuan Li; Yan Xu; Hongping Liang et al. (22 June 2020). "The genome of Prasinoderma coloniale unveils the existence of a third phylum within green plants". Nature Ecology & Evolution 4 (9): 1220–1231. doi:10.1038/s41559-020-1221-7. PMID 32572216. 

Wikidata ☰ Q11973077 entry



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