The flagellated alga Dinema platysomum, synonym Anisonema platysomum,[1] is the first eukaryote in which magnetotactic structures have been discovered. Monje & Baran (2004) describe how this euglenoid alga stores magnetite in a similar way that already discovered magnetotactic bacteria do. It has been shown that the cells contain magnetite particles aligned with the longitudinal axis of the alga, and each magnetite chain is a permanent dipole.[2] The observed magnetic momentum of the cell has been estimated to be 1000 times stronger than those of typical magnetotactic bacteria.[3]
| Dinema platysomum | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Phylum: | Euglenozoa |
| Class: | Euglenida |
| Order: | Anisonemida |
| Family: | Anisonemidae |
| Genus: | Dinema |
| Species: | D. platysomum
|
| Binomial name | |
| Dinema platysomum (Skuja) W.J.Lee & D.J.Patterson[1]
| |
| Synonyms[1] | |
| |
The species was first described in 1939 as Anisonema platysomum,[4] and transferred to the genus Dinema in 2000.[1]
References
edit- ^ a b c d Guiry, M.D.; Guiry, G.M. "Dinema platysomum". AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. Retrieved 2023-05-19.
- ^ Monje, Paula; Baran, Enrique (2004). "Plant biomineralization". Advances in Plant Physiology (7): 395–410. ISBN 8172333811.
- ^ Torres de Araujo, F.; Pires, M.; Frankel, R.; Bicudo, C. (1986). "Magnetite and Magnetotaxis in Algae". Biophysical Journal. 50 (2): 375–378. Bibcode:1986BpJ....50..375D. doi:10.1016/S0006-3495(86)83471-3. PMC 1329754. PMID 19431684.
- ^ Skuja, H. (1939). "Beitrag zur Algenflora Lettlands II" [Contribution to the algae flora of Latvia II]. Acta Horti Botanici Universitatis Latviensis (in German).
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