Cylindrocapsa

Cylindrocapsa
	Cylindrocapsa involuta
Scientific classification
(unranked):	Viridiplantae
Division:	Chlorophyta
Class:	Chlorophyceae
Order:	Sphaeropleales
Family:	Cylindrocapsaceae
Genus:	Cylindrocapsa; Reinsch
Species
	C. geminella;

Cylindrocapsa is a genus of green algae, specifically of the Chlorophyceae.^[1] It is commonly found in freshwater habitats.^[2]

Virus-like particles have been found in a strain of one species, Cylindrocapsa geminella.^[3]

Description

Cylindrocapsa consists of unbranched filaments, often attached to substrates or free-floating in water. Cells are initially uniseriate (that is, in one line), but may later become multi-seriate or irregularly arranged. Individual cells are ovoid to oblong to spherical, and are each surrounded by several concentric layers of a mucilaginous sheath. Cells contain a single chloroplast filling the cell, with a single pyrenoid. The chloroplast may be axial (in the middle of the cell) or parietal (lining the wall of the cell).^[2]

Taxonomy

The placement of Cylindrocapsa is unclear. Species differ significantly from each other, both in terms of morphology and ultrastructure.^[2] It is therefore suspected to be polyphyletic.^[1]

References

^ ^a ^b ^c Guiry, M.D.; Guiry, G.M. "Cylindrocapsa". AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. Retrieved 2022-02-22.
^ ^a ^b ^c John, David M.; Rindi, Fabio (2014). "Chapter 8. Filamentous (Nonconjugating) and Plantlike Green 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.
^ Hoffman, Larry R.; Stanker, Larry H. (1976). "Virus-like particles in the green alga Cylindrocapsa". Canadian Journal of Botany. 54 (24): 2827–2841. doi:10.1139/b76-303.

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[AB_t43404-1] Guiry, M.D.; Guiry, G.M. "Cylindrocapsa". AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. Retrieved 2022-02-22.

[John2014-2] John, David M.; Rindi, Fabio (2014). "Chapter 8. Filamentous (Nonconjugating) and Plantlike Green 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.

[3] Hoffman, Larry R.; Stanker, Larry H. (1976). "Virus-like particles in the green alga Cylindrocapsa". Canadian Journal of Botany. 54 (24): 2827–2841. doi:10.1139/b76-303.

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Cylindrocapsa

Cylindrocapsa involuta
Scientific classification
(unranked):	Viridiplantae
Division:	Chlorophyta
Class:	Chlorophyceae
Order:	Sphaeropleales
Family:	Cylindrocapsaceae
Genus:	Cylindrocapsa Reinsch^[1]
Species
C. geminella