Gloeocystis
| Gloeocystis | ||||||||||||
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Gloeocystis sp. |
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| Scientific name | ||||||||||||
| Gloeocystis | ||||||||||||
| Nägeli |
Gloeocystis is a genus of colony-forming green algae from the class of Chlorophyceae . They often occur as symbiotic partners in lichens .
features
The representatives form groups of cells that are embedded in a layered jelly . The round to elongated single cells have a single, centrally located nucleus , as well as a single, marginal chloroplast with pyrenoid . Starch is stored within the plastid.
Asexual reproduction occurs through the formation of 2 to 8, rarely 16, autospores within the cell wall of the mother cell. Larger colonies can disintegrate. Sexual reproduction is unknown in Gloeocystis .
Occurrence
Gloeocystis occurs in the plankton of stagnant water and on moist substrates such as rocks, wood and earth. These species also enter into lichen symbioses as algae partners.
Systematics
According to Algaebase, the genus Gloeocystis comprises nine recognized species.
supporting documents
- Karl-Heinz Linne von Berg, Michael Melkonian u. a .: The Kosmos algae guide. The most important freshwater algae under the microscope. Kosmos, Stuttgart 2004, ISBN 3-440-09719-6 , p. 176.
Individual evidence
- ↑ Gloeocystis on algaebase.org ( Memento of the original from June 6, 2019 in the Internet Archive ) Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. , accessed March 20, 2011.
