Fottea 9(1): 149-154, 2009 | DOI: 10.5507/fot.2009.013

The pyrenoid ultrastructure in Oocystis lacustris.

Maya P. Stoyneva1, Elisabeth Ingoliæ2, Georg Gärtner*,3, Wim Vyverman4
1 Sofia University "St Kliment Ohridski", Faculty of Biology, Department of Botany, 8 bld. Dragan Zankov, BG- 1164 Sofia, Bulgaria
2 Forschungsinstitut für Elektronenmikroskopie und Feinstrukturforschung, Steyrergasse 17, A-8010 Graz, Austria
3 Leopold-Franzens-Universität Innsbruck, Institut für Botanik, Sternwartestr. 15, A-6020 Innsbruck, Austria
4 Ghent University, Department Biology, Laboratory of Protistology and Aquatic Ecology, Krijgslaan 281-S8, B-9000 Gent, Belgium

The fine structure of vegetative cells of Oocystis lacustris has been studied with special attention to the ultrastructure of the pyrenoid and its starch sheath. The TEM-investigation showed that the pyrenoid matrix is homogenous, not traversed by thylakoids and the surrounding starch sheath is continuous, horseshoe-shaped or fragmented in 2 starch plates. This starch sheath structure is regarded as a common feature within Oocystis and closely related genera Eremosphaera and Neglectella.

Keywords: Oocystis lacustris, ultrastructure, pyrenoids, starch sheath

Received: November 3, 2008; Accepted: January 10, 2009; Published: March 1, 2009  Show citation

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Stoyneva, M.P., Ingoliæ, E., Gärtner, G., & Vyverman, W. (2009). The pyrenoid ultrastructure in Oocystis lacustris. Fottea, 9(1), 149-154. doi: 10.5507/fot.2009.013
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