| Spirotaenia | |
|---|---|
 | |
| Spirotaenia condensata | |
| Scientific classification | |
| (unranked): | |
| Kingdom: | |
| Genus: | Spirotaenia Brébisson 1848 |
| Type species | |
| Spirotaenia condensata Brébisson 1848 | |
| Synonyms | |
| |
Spirotaenia is a genus of basal unicellular green algae that may be sister to the Chlorokybophyceae.[1][2] It was previously considered to be part of the Zygnemataceae. It is sexually conjugating, a mode of reproduction that was previously only known in the Zygnemataceae/Mesotaeniaceae, the sister groups to the land plants. This is surprising, as Spirotaenia is much more basal. The conjugating process is substantially aberrant.[3][4] Spirotaenia may actually be more than one distinct lineage which may not be closely related.[5]
Phylogeny
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groups traditionally included in the "algae" |
References
- ↑ Gitzendanner, Matthew A.; Soltis, Pamela S.; Wong, Gane K.-S.; Ruhfel, Brad R.; Soltis, Douglas E. (2018). "Plastid phylogenomic analysis of green plants: A billion years of evolutionary history". American Journal of Botany. 105 (3): 291–301. doi:10.1002/ajb2.1048. ISSN 0002-9122. PMID 29603143.
- ↑ Hidden genetic diversity in the green alga Spirogyra (Zygnematophyceae, Streptophyta)
- ↑ Brook, Alan J. (1981). The Biology of Desmids. University of California Press. ISBN 9780520042810.
- ↑ Gontcharov, Andrey A.; Melkonian, Michael (2004). "Unusual position of the genus Spirotaenia (Zygnematophyceae) among streptophytes revealed by SSU rDNA and rbcL sequence comparisons". Phycologia. 43 (1): 105–113. CiteSeerX 10.1.1.539.2139. doi:10.2216/i0031-8884-43-1-105.1. ISSN 0031-8884. S2CID 51945556.
- ↑ COESEL, PETER; VANHOOF, ANDRÉ; MEESTERS, KOOS (2017-12-01). "Zygospore morphology in the conjugating green alga Spirotaenia diplohelica (Streptophyta, Zygnematophyceae, Mesotaeniaceae)". Phytotaxa. 329 (3): 284. doi:10.11646/phytotaxa.329.3.10. ISSN 1179-3163.
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