Abstract
Division of ancestral prokaryotic genome into two circular double-stranded DNA molecules is a basis for future separate evolution of nuclear and mitochondrion compartments. Universal double sheet of lipid molecules by invagination, at the level of membrane-hairpin attachment, formed two-layered envelope completely surrounding those two DNAs. Presumed ancestral prokaryote in this case is an Archaebacteria, which would lead to formation of six main groups of organisms: Archaebacteria (Archaea) eubacteria, Protista, Fungi, Plantae and Animalia.
Highlights
G enome evolves by acquiring new sequences, by the recombination of existing ones and by mutation
One of typical examples is the reciprocal recombination between two copies of a sequence that is repeated in the same orientation, i.e. direct repeats (DR)
Mitochondrion genesis and mitochondrial genome processing is one of the crucial point in the evolution, which begins with biochemical - energetic development of the membrane (1)
Summary
LABORATORY FOR RADIOBIOLOGY AND MOLECULAR GENETICS, INSTITUTE FOR NUCLEAR SCIENCE, VINÈA, BELGRADE, SERBIA AND MONTENEGRO. Division of ancestral prokaryotic genome into two circular double-stranded DNA molecules is a basis for future separate evolution of nuclear and mitochondrion compartments. Universal double sheet of lipid molecules by invagination, at the level of membrane-hairpin attachment, formed two-layered envelope completely surrounding those two DNAs. Presumed ancestral prokaryote in this case is an Archaebacteria, which would lead to formation of six main groups of organisms: archaebacteria (Archaea), eubacteria, Protista, Fungi, Plantae and Animalia
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