Encyclopedia of Parasitology

2016 Edition
| Editors: Heinz Mehlhorn

Ovoid Mitochondrial Cytoplasmic Complex (OMC)

Reference work entry
DOI: https://doi.org/10.1007/978-3-662-43978-4_2270

This is a composite assembling of organelles in tachyzoites of   Toxoplasma gondii consisting of an enrolled branch of the mitochondrion (showing no inner infoldings in this region, but appearing often with up to 4 membranes – depending on the section) and an enclosed small gap of cytoplasm being situated close to the Golgi-apparatus at the anterior pole of the nucleus. This OMC appears only in growing tachyzoites and is correlated with mitochondrial growth or division. Although nothing is known on its function, it clearly differs from the similarly looking  apicoplast.

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