Biology:Characiellopsis

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Short description: Genus of algae

Characiellopsis
Scientific classification e
(unranked): Viridiplantae
Division: Chlorophyta
Class: Chlorophyceae
Order: Sphaeropleales
Family: Characiaceae
Genus: Characiellopsis
M. O. P. Iyengar, 1975
Type species
Characiellopsis anophelesii
Species[1]
  • Characiellopsis anophelesii
  • Characiellopsis skujae

Characiellopsis is a genus of green algae in the family Characiaceae. Two species are known: Characiellopsis anophelesii and Characiellopsis skujae.[1]

Description

Characiellopsis consists of solitary cells that are elongate and attached to a substrate via a pad of mucilage. Cells contain a single central nucleus. Young cells contain a single chloroplast, while older cells contain multiple; each chloroplast has a single pyrenoid. Cells reproduce by 2-flagellated zoospores. These zoospore escape from the tip of the mother cell via a tear in the mother cell's wall.[2]

Species

Characiellopsis anophelesii consists of solitary cells that are attached to mosquito (Anopheles) larvae.[2]

Characiellopsis skujae consists of solitary cells that are elongated to ovoid, attached to a surface via a thick stalk. The cell walls are very thick, and the tip of the cell has a refractive ring-shaped structure visible in light microscopy. Cells contain a single chloroplast filling the cell, each with a single pyrenoid. The apical ring structure is very distinctive, and it shares this characteristic with another taxon, Characium obtusum; the two species are probably synonymous.[3]

References

  1. 1.0 1.1 "Genus: Characiellopsis taxonomy browser". AlgaeBase version 4.2 World-wide electronic publication, National University of Ireland, Galway. 2007. http://www.algaebase.org/browse/taxonomy/?id=5455. Retrieved 2007-09-25. 
  2. 2.0 2.1 Iyengar, M. O. P. (1975). "Contributions to our knowledge of South Indian Algae—VIII". Proceedings of the Indian Academy of Sciences 81: 29–60. doi:10.1007/BF03050744. 
  3. Hindák, František; Hindáková, Alica (2008). "Morphology and taxonomy of some rare chlorococcalean algae (Chlorophyta)". Biologia 63 (6): 781–790. doi:10.2478/s11756-008-0099-7. 

Wikidata ☰ Q5073700 entry