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Was the Mitochondrion Necessary to Start Eukaryogenesis?

V. Hampl, I. Čepička, M. Eliáš,

. 2019 ; 27 (2) : 96-104. [pub] 20181119

Jazyk angličtina Země Velká Británie

Typ dokumentu časopisecké články, práce podpořená grantem, přehledy

Perzistentní odkaz   https://www.medvik.cz/link/bmc19045121

Arguments based on cell energetics favour the view that a mitochondrion capable of oxidative phosphorylation was a prerequisite for the evolution of other features of the eukaryotic cell, including increased volume, genome size and, eventually, phagotrophy. Contrary to this we argue that: (i) extant amitochondriate eukaryotes possess voluminous phagotrophic cells with large genomes; (ii) picoeukaryotes demonstrate that phagotrophy is feasible at prokaryotic cell sizes; and (iii) the assumption that evolution of complex features requires extra ATP, often mentioned in this context, is unfounded and should not be used in such considerations. We claim that the diversity of cell organisations and functions observed today in eukaryotes gives no reason to postulate that a mitochondrion must have preceded phagocytosis in eukaryogenesis.

Citace poskytuje Crossref.org

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$a Čepička, Ivan $u Department of Zoology, Faculty of Science, Charles University, Prague, 128 43, Czech Republic.
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