File:Origin of eukaryotes from prokaryotes.jpg

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Revision as of 01:23, 18 March 2013 by Z3331556 (talk | contribs) (Original file name: 1745-6150-6-35-2.jpg Energetics and genetics across the prokaryote-eukaryote divide http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3152533/ Endosymbiotic origin of eukaryotes by time and genetic distance. Schematic depiction of the c...)
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Original file name: 1745-6150-6-35-2.jpg

Energetics and genetics across the prokaryote-eukaryote divide http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3152533/

Endosymbiotic origin of eukaryotes by time and genetic distance. Schematic depiction of the chimeric origin of eukaryotes (in red) by (a) genetic distance and (b) time. Bacteria and archaea are shown to the left and right, respectively. Reticular networks of lateral gene transfer are not shown for simplicity, but characterise prokaryotic evolution. In (a) the unbranching red trunk depicts the prokaryote-eukaryote transition without any successful speciation (as attested by the absence of true evolutionary intermediates; see text) across the long genetic distance from an endosymbiotic origin in prokaryotes to LECA. In (b) the absence of this unbranching trunk depicts the short timescale and rapid evolution of LECA, driven by endosymbiotic gene transfer, a high mutation rate, cell fusions and genome doublings, accumulating traits within a single small population.

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current01:23, 18 March 2013Thumbnail for version as of 01:23, 18 March 2013600 × 267 (30 KB)Z3331556 (talk | contribs)Original file name: 1745-6150-6-35-2.jpg Energetics and genetics across the prokaryote-eukaryote divide http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3152533/ Endosymbiotic origin of eukaryotes by time and genetic distance. Schematic depiction of the c...
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