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Morphology and Ultrastructure of Multiple Life Cycle Stages of the Photosynthetic Relative of Apicomplexa, Chromera velia

SYSNO ASEP	0358454
Document Type	J - Journal Article
R&D Document Type	Journal Article
Subsidiary J	Článek ve WOS
Title	Morphology and Ultrastructure of Multiple Life Cycle Stages of the Photosynthetic Relative of Apicomplexa, Chromera velia
Author(s)	Oborník, Miroslav (BC-A)_{RID, ORCID} Vancová, Marie (BC-A)_{RID, ORCID} Lai, De Hua (BC-A) Janouškovec, J. (CA) Keeling, P. J. (CA) Lukeš, Julius (BC-A)_{RID, ORCID}
Source Title	Protist. - : Elsevier - ISSN 1434-4610 Roč. 162, č. 1 (2011), s. 115-130
Number of pages	16 s.
Language	eng - English
Country	DE - Germany
Keywords	Chromera ; Apicomplexa ; Colpodella ; dinoflagellate ; phylogeny ; ultrastructure
Subject RIV	EB - Genetics ; Molecular Biology
R&D Projects	IAA601410907 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR)
	2B06129 GA MŠMT - Ministry of Education, Youth and Sports (MEYS)
	LC07032 GA MŠMT - Ministry of Education, Youth and Sports (MEYS)
CEZ	AV0Z60220518 - PAU-O, BC-A (2005-2011)
UT WOS	000285628800009
DOI	10.1016/j.protis.2010.02.004
Annotation	Chromera velia is a photosynthetic alga with a secondary plastid that represents the closest known photosynthetic relative of the apicomplexan parasites. The original description of this organism was based on brownish, immotile coccoid cells, which is the predominating stage of C. velia in the culture. Here we provide a detailed light and electron microscopy description of coccoid cells of C. velia and a previously undocumented bi-flagellated stage that is highly motile and moves in a characteristic zig-zag pattern. Transformation from a coccoid into a flagellate stage occurs in exponentially growing cultures, and is accelerated by exposure to light. The C. velia cells contain a pseudoconoid, which is likely homologous to the corresponding structure in the apical complex of Apicomplexa, cortical alveoli subtended by subpellicular microtubules, mitochondrion with tubular cristae, a micropyle, and a distinctive chromerosome, an apparently novel type of extrusion organelle.
Workplace	Biology Centre (since 2006)
Contact	Dana Hypšová, eje@eje.cz, Tel.: 387 775 214
Year of Publishing	2012

Number of the records: 1