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{{Short description|Genus of algae}}
{{italic title}}
{{Automatic taxobox
{{Taxobox
| name = ''Tetracystis''
| taxon = Tetracystis
| authority = R.M.Brown & Bold<ref name=AB_g6991/>
| domain = [[Eukaryota]]
| regnum = [[Plantae]]
| divisio = [[Chlorophyta]]
| classis = [[Chlorophyceae]]
| ordo = [[Chlorococcales]]
⚫
| familia = [[Chlorococcaceae]]
| genus = '''''Tetracystis'''''
| genus_authority = R.M. Brown & Bold
| type_species = ''Tetracystis aeria''
| type_species = ''Tetracystis aeria''
| type_species_authority = R.M.Brown & Bold<ref name=AB_g6991/>
| subdivision_ranks = [[Species (biology)|Species]]<ref name="Algaebase">{{cite web | url = http://www.algaebase.org/browse/taxonomy/?id=6991 | publisher = ''AlgaeBase version 4.2'' World-wide electronic publication, National University of Ireland, Galway | accessdate = 2007-09-25 | title = Genus: ''Tetracystis'' taxonomy browser | author = Guiry, M.D. & Guiry, G.M. | year = 2007 }}</ref>
| subdivision_ranks = Species
⚫
| subdivision =
| subdivision_ref = <ref name=AB_g6991/>
See text
⚫
| subdivision = See text
}}
}}


'''''Tetracystis''''' is a [[genus (biology)|genus]] of [[algae]], in the family [[Chlorococcaceae]].<ref name="Algaebase"/>
'''''Tetracystis''''' is a [[genus]] of [[green algae]], in the family [[Chlorococcaceae]].<ref name=AB_g6991>{{AlgaeBase genus|name=Tetracystis|id= 43393 |access-date=2022-02-23}}</ref> It is a terrestrial genus typically found in soils.<ref name=Shubert2014/>


==Species List==
== Description ==
''Tetracystis'' consists of cells with internal structure similar to ''[[Chlorococcum]]''; however, they are usually in groups of two or four cells. Young cells may be ellipsoidal to ovoid, while mature cells are roughly spherical. The [[cell wall]] is thin or thick, and may be thickened at the one or both poles. The single chloroplast is cup-shaped but often dissected or lobed into many fine rays; the chloroplast has a single [[pyrenoid]] in the center, surrounded by starch grains.<ref name=Shubert2014>{{cite book |editor-first1=John D.|editor-last1=Wehr|editor-first2=Robert G.|editor-last2=Sheath|editor-first3=J. Patrick|editor-last3=Kociolek |date= 2014 |edition=2 |title= Freshwater Algae of North America: Ecology and Classification |last1= Shubert|first1=Elliot| last2=Gärtner |first2=Georg |chapter= Chapter 7. Nonmotile Coccoid and Colonial Green Algae |url= |location= |publisher= Elsevier Inc. |page= |isbn=978-0-12-385876-4 }}</ref>

''Tetracystis'' reproduces asexually by the formation of biflagellate [[zoospore]]s, [[aplanospore]]s, or [[autospore]]s.<ref name=Shubert2014/>

==Species list==
* ''[[Tetracystis aeria|T. aeria]]''
* ''[[Tetracystis aeria|T. aeria]]''
* ''[[Tetracystis aggregata|T. aggregata]]''
* ''[[Tetracystis aggregata|T. aggregata]]''
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==References==
==References==
{{reflist|1}}
{{Reflist|1}}


{{Taxonbar|from=Q7706291}}
==External links==


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[[Category:Chlorococcaceae]]
===Scientific references===
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[[Category:Chlorococcaceae genera]]
{{Taxonomic references|taxon=Tetracystis}}


===Scientific databases===
{{Taxonomic links|NCBI_taxID=220630|taxoname=Tetracystis}}

* [http://www.algaebase.org/search/genus/ AlgaeBase]
* [http://www.algaterra.org/ATDB/Names/NamesMain.cfm AlgaTerra database]
* [http://ravenel.si.edu/botany/ing/ingForm.cfm Index Nominum Genericorum]


{{Chlorophyceae-stub}}
{{Chlorophyceae-stub}}

⚫
[[Category:Algae genera]]

Latest revision as of 21:26, 29 November 2024

Tetracystis
Scientific classification Edit this classification
Clade: Viridiplantae
Division: Chlorophyta
Class: Chlorophyceae
Order: Chlamydomonadales
Family: Chlorococcaceae
Genus: Tetracystis
R.M.Brown & Bold[1]
Type species
Tetracystis aeria
R.M.Brown & Bold[1]
Species[1]

See text

Tetracystis is a genus of green algae, in the family Chlorococcaceae.[1] It is a terrestrial genus typically found in soils.[2]

Description

[edit]

Tetracystis consists of cells with internal structure similar to Chlorococcum; however, they are usually in groups of two or four cells. Young cells may be ellipsoidal to ovoid, while mature cells are roughly spherical. The cell wall is thin or thick, and may be thickened at the one or both poles. The single chloroplast is cup-shaped but often dissected or lobed into many fine rays; the chloroplast has a single pyrenoid in the center, surrounded by starch grains.[2]

Tetracystis reproduces asexually by the formation of biflagellate zoospores, aplanospores, or autospores.[2]

Species list

[edit]

References

[edit]
  1. ^ a b c d Guiry, M.D.; Guiry, G.M. "Tetracystis". AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. Retrieved 2022-02-23.
  2. ^ a b c Shubert, Elliot; Gärtner, Georg (2014). "Chapter 7. Nonmotile Coccoid and Colonial 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.


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