Biology:Colacium: Difference between revisions
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{{ | '''''Colacium''''' is a genus of [[Biology:Algae|algae]] belonging to the family [[Biology:Euglenaceae|Euglenaceae]].<ref name="GBIF">{{cite web |title=Colacium Ehrenberg, 1834 |url=https://www.gbif.org/species/3208318 |website=www.gbif.org |access-date=17 April 2021 |language=en}}</ref> It has two phases: a motile phase and a sessile phase, where it is found attached to other freshwater organisms.<ref>{{cite journal | doi=10.1111/j.1529-8817.1973.tb04110.x | title= Observations on the euglenoid ''Colacium'' with special reference to the formation and morphology of attachment material | date=1973 | last1=Rosowski | first1=James R. | last2=Kugrens | first2=Paul | journal=Journal of Phycology | volume=9 | issue=4 | pages=370–383 | s2cid=83651870 }}</ref> | ||
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The genus has a [[Biology:Cosmopolitan distribution|cosmopolitan distribution]].<ref name="GBIF" /> | |||
==Description== | |||
''Colacium'' is a single-celled or colonial organisms. Cells are small, about 20–40 μm, and are similar to that of ''[[Biology:Euglena|Euglena]]'', and are metabolic with parietal, lobed [[Biology:Chloroplast|chloroplast]]s each with a [[Biology:Pyrenoid|pyrenoid]], and monomorphic, small [[Chemistry:Paramylon|paramylon]] grains. In its typical sessile phase, the cells are attached to a substrate via a mucilaginous stalk or short pillow. Cells divide to form colonies where the cells are attached by branched, dendroidal stalks.<ref name=Triemer>{{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= Triemer|first1=Richard E. |last2= Zakryś |first2=Bożena |chapter= Chapter 10. Photosynthetic Euglenoids |url= |location= |publisher= Elsevier Inc. |page= |isbn=978-0-12-385876-4 }}</ref> | |||
Cells of ''Colacium'' can grow a flagella and become motile, escaping from the colony as a free-swimming cell.<ref name=Triemer/> | |||
Species:<ref name="GBIF" /> | Species:<ref name="GBIF" /> | ||
*''Colacium arbuscula'' {{small|Stein, 1878}} | *''Colacium arbuscula'' {{small|Stein, 1878}} | ||
*''Colacium mucronatum'' {{small|Bourr. & Chadef.}} | *''Colacium mucronatum'' {{small|Bourr. & Chadef.}} | ||
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==References== | ==References== | ||
{{Reflist}} | {{Reflist}} | ||
{{Discoba}} | |||
{{Taxonbar|from=Q289498}} | {{Taxonbar|from=Q289498}} | ||
Latest revision as of 09:05, 27 May 2025
Colacium is a genus of algae belonging to the family Euglenaceae.[1] It has two phases: a motile phase and a sessile phase, where it is found attached to other freshwater organisms.[2]
The genus has a cosmopolitan distribution.[1]
Description
Colacium is a single-celled or colonial organisms. Cells are small, about 20–40 μm, and are similar to that of Euglena, and are metabolic with parietal, lobed chloroplasts each with a pyrenoid, and monomorphic, small paramylon grains. In its typical sessile phase, the cells are attached to a substrate via a mucilaginous stalk or short pillow. Cells divide to form colonies where the cells are attached by branched, dendroidal stalks.[3]
Cells of Colacium can grow a flagella and become motile, escaping from the colony as a free-swimming cell.[3]
Species:[1]
- Colacium arbuscula Stein, 1878
- Colacium mucronatum Bourr. & Chadef.
- Colacium sideropus Skuja
- Colacium simplex Hub.-Pest.
- Colacium steinii Kent
- Colacium vesiculosum Ehrenberg, 1838
References
- ↑ 1.0 1.1 1.2 "Colacium Ehrenberg, 1834" (in en). https://www.gbif.org/species/3208318.
- ↑ Rosowski, James R.; Kugrens, Paul (1973). "Observations on the euglenoid Colacium with special reference to the formation and morphology of attachment material". Journal of Phycology 9 (4): 370–383. doi:10.1111/j.1529-8817.1973.tb04110.x.
- ↑ 3.0 3.1 Triemer, Richard E.; Zakryś, Bożena (2014). "Chapter 10. Photosynthetic Euglenoids". Freshwater Algae of North America: Ecology and Classification (2 ed.). Elsevier Inc.. ISBN 978-0-12-385876-4.
Template:Discoba Wikidata ☰ Q289498 entry
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