Mesostigma

Mesostigma
Scientific classification
Kingdom: Viridiplantae
(unranked): Streptophyta
Division: Charophyta
Class: Mesostigmatophyceae
Order: Mesostigmales
Family: Mesostigmataceae
Genus: Mesostigma
Species: M. viride

Mesostigma viride is a species of freshwater green algae. It is now considered to be one of the earliest diverging members of the Streptophyta, one of the two lineages of green plants (Viridiplantae).

Earlier studies were unable to resolve the position of the species, and it was often placed as a sister to all other green algae, as one of the basal members of the Streptophyta, or as close to Chaetosphaeridium.[1][2][3] More recent studies agree that Mesostigma and Chlorokybus form a clade, being the earliest diverging streptophytes.[4][5]

References

  1. ↑ Marin B, Melkonian M (1999). "Mesostigmatophyceae, a new class of streptophyte green algae revealed by SSU rRNA sequence comparisons". Protist. 150 (4): 399–417. PMID 10714774. doi:10.1016/S1434-4610(99)70041-6.
  2. ↑ Jeffrey D. Palmer, Douglas E. Soltis and Mark W. Chase (2004). "The plant tree of life: an overview and some points of view". American Journal of Botany. 91 (10): 1437–45. PMID 21652302. doi:10.3732/ajb.91.10.1437.
  3. ↑ Andreas Simon, Gernot Glöckner, Marius Felder, Michael Melkonian and Burkhard Becker (2006). "EST analysis of the scaly green flagellate Mesostigma viride (Streptophyta): Implications for the evolution of green plants (Viridiplantae)". BMC Plant Biology. 6: 2. PMC 1413533 Freely accessible. PMID 16476162. doi:10.1186/1471-2229-6-2.
  4. ↑ Lemieux C, Otis C, Turmel M (2007). "A clade uniting the green algae Mesostigma viride and Chlorokybus atmophyticus represents the deepest branch of the Streptophyta in chloroplast genome-based phylogenies". BMC Biol. 5: 2. PMC 1781420 Freely accessible. PMID 17222354. doi:10.1186/1741-7007-5-2.
  5. ↑ Becker, B. & Marin, B. (2009). "Streptophyte algae and the origin of embryophytes". Annals of Botany. 103 (7): 999–1004. PMC 2707909 Freely accessible. PMID 19273476. doi:10.1093/aob/mcp044


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