Biology:Synura
| Synura | |
|---|---|
| |
| A colony of Synura sp. | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Clade: | Diaphoretickes |
| Clade: | SAR |
| Clade: | Stramenopiles |
| Phylum: | Gyrista |
| Subphylum: | Ochrophytina |
| Class: | Chrysophyceae |
| Order: | Synurales |
| Family: | Synuraceae |
| Genus: | Synura Ehrenberg 1834 |
| Species | |
| Synonyms[1] | |
| |
Synura is a genus of colonial chrysomonad algae covered in silica scales.[2] It is the most conspicuous genus of the order Synurales.[3]
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 come from chlorophyll c1 and fucoxanthin. Cells are covered in scales made of silica. Two flagella are present.[4]
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).[4]
Classification
The present taxonomy recognizes five sections:[2][3]
- Section Peterseniae
- S. americana
- S. australiensis
- S. borealis
- S. conopea
- S. glabra
- S. heteropora
- S. hibernica
- S. laticarina
- S. longisquama
- S. macracantha
- S. macropora
- S. petersenii
- Section Spinosae
- S. curtispina
- S. mollispina
- S. nygaardii
- S. sphagnicola
- S. spinosa
- Section Echinulatae
- S. biseriata
- S. echinulata
- S. leptorrhabda
- S. mammillosa
- S. multidentata
- Section Splendidae
- S. splendida
- Section Uvellae
- S. uvella
References
- ↑ 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.
- ↑ 2.0 2.1 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): 385–402. August 2013. doi:10.1111/j.1756-1051.2013.00119.x.
- ↑ 3.0 3.1 "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. 2014. doi:10.1080/09670262.2014.905710.
- ↑ 4.0 4.1 Siver, Peter A. (2014). "Chapter 14. Synurophyte Algae". Freshwater Algae of North America: Ecology and Classification (2 ed.). Elsevier Inc.. ISBN 978-0-12-385876-4.
Wikidata ☰ Q259445 entry
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