Oocystis
Oocystis | ||||||||||||
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Oocystis borgei |
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Systematics | ||||||||||||
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Scientific name | ||||||||||||
Oocystis | ||||||||||||
Nägeli ex A. Braun |
Oocystis is an algae - genus from the class of Trebouxiophyceae .
description
Oocystis forms lemon-shaped to elliptical, unglithed cells (length: 3–65 µm) with a nucleus and one or more wall-mounted chloroplasts with pyrenoid . The cells live individually or in groups of two, four or eight cells in the blistered swollen mother cell wall. Some of them are grouped into superordinate associations. The cell wall is smooth, sometimes with polar swellings.
Reproduction
The asexual reproduction (rarely more) is achieved by the formation of two, four or eight auto spores .
Sexual reproduction is unknown.
Types (selection)
- Oocystis lacrusta
- Oocystis marssonii
- Oocystis parva
- Oocystis pussila
- Oocystis ruprestis
- Oocystis solitaria
distribution
The genus lives in the plankton and benthos of lakes, ponds and mountain lakes, as well as in moors and in the ground.
swell
- 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 .
Web links
- Oocystis at algaebase.org
- Images of Oocystis