Original paper

Life cycles of chromerids resemble those of colpodellids and apicomplexan parasites

Oborník, Miroslav; Kručinská, Jitka; Esson, Heather

Perspectives in Phycology Vol. 3 No. 1 (2015), p. 21 - 27

published: Jan 1, 2015
published online: Jan 25, 2016
manuscript accepted: Nov 9, 2015
manuscript received: May 22, 2015

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Abstract

Abstract Chromerids are alveolate algae with secondary plastids surrounded by four membranes, and with evolutionary positions close to the root of apicomplexan parasites. As both described chromerid species, Chromera velia and Vitrella brassicaformis, are, in spite of their phototrophy, distant relatives, there are some differences between their respective life cycles. Here, we summarize current knowledge of the life cycles of chromerid algae and the related colpodellids. We also describe zoosporangia formation and excystation in C. velia. We suggest that the formation of zoospores in C. velia is homologous to schizogony in apicomplexan parasites.

Keywords

ChromeraVitrellaChrompodelidslife cycleschizogonyzoospore formation