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Synura

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Genus of heterokont algae

Synura
A colony of Synura sp.
Scientific classification Edit this classification
Domain: Eukaryota
Clade: Diaphoretickes
Clade: SAR
Clade: Stramenopiles
Phylum: Gyrista
Subphylum: Ochrophytina
Class: Chrysophyceae
Order: Synurales
Family: Synuraceae
Lemmermann, 1899 emend. B.Y. Jo, J.I. Kim, W. Shin, P.Škaloud & P. Siver, 2016
Genus: Synura
Ehrenberg, 1834
Type species
Synura uvella
Ehrenberg
Species

See text.

Synonyms

Synura is a genus of colonial chrysomonad algae covered with silica scales. It is the most conspicuous genus of the order Synurales.

Description

Species of Synura form microscopic, spherical colonies, composed of multiple cells attached to each other at the center of the colony. Synura cells are variously shaped, typically spherical to pear-shaped or club-shaped. Each cell contains two plastids aligned with the long axis of the cell; they impart a distinctive golden color to the cells, which comes from chlorophyll c1 and fucoxanthin. Cells are covered with scales made of silica. Two flagella are present.

Identification of species depends on the morphology of the scales. For many species, a positive identification is only possible with an electron microscope, either with scanning electron microscopy (SEM) or transmission electron microscopy (TEM).

Classification

Synura is the type and only genus in the family Synuraceae. The present taxonomy recognizes five sections:

References

  1. ^ Bok Yeon Jo; Jong Im Kim; Pavel Škaloud; Peter A. Siver; Woongghi Shin (1 September 2016). "Multigene phylogeny of Synura (Synurophyceae) and descriptions of four new species based on morphological and DNA evidence". European Journal of Phycology. 51 (4): 413–430. doi:10.1080/09670262.2016.1201700. ISSN 0967-0262. Wikidata Q99647124.
  2. Guiry, M.D.; Guiry, G.M. "Synura". AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. Retrieved 2024-11-29.
  3. Pusztai, Martin; Čertnerová, Dora; Škaloudová, Magda; Škaloud, Pavel (2016). "Elucidating the Phylogeny and Taxonomic Position of the genus Chrysodidymus Prowse (Chrysophyceae, Synurales)". Cryptogamie, Algologie. 37 (4): 297–307. doi:10.7872/crya/v37.iss4.2016.297. S2CID 51739744.
  4. ^ Škaloud, Pavel; Kristiansen, Jørgen; Škaloudová, Magda (July 2013). "Developments in the taxonomy of silica-scaled chrysophytes – from morphological and ultrastructural to molecular approaches". Nordic Journal of Botany. 31 (4) (published August 2013): 385–402. doi:10.1111/j.1756-1051.2013.00119.x.
  5. ^ Škaloud P, Škaloudová M, Procházková A, Němcová Y (2014). "Morphological delineation and distribution patterns of four newly described species within the Synura petersenii species complex (Chrysophyceae, Stramenopiles)". European Journal of Phycology. 49 (2): 213–229. Bibcode:2014EJPhy..49..213S. doi:10.1080/09670262.2014.905710. S2CID 51749551.
  6. ^ Siver, Peter A. (2014). "Chapter 14. Synurophyte Algae". In Wehr, John D.; Sheath, Robert G.; Kociolek, J. Patrick (eds.). Freshwater Algae of North America: Ecology and Classification (2 ed.). Elsevier Inc. ISBN 978-0-12-385876-4.
Taxon identifiers
Synura
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