endosymbiotic theory

(redirected from Endosymbiont hypothesis)
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endosymbiotic theory

n.
A theory stating that the eukaryotes evolved through a process whereby different types of free-living prokaryotes became incorporated inside larger prokaryotic cells and eventually developed into mitochondria, chloroplasts, and possibly other organelles.

endosymbiotic theory

the proposition that symbiosis between different prokaryotes gave rise to eukaryotic cells.
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References in periodicals archive ?
The endosymbiont hypothesis was the deep evolutionary scenario on which molecular phylogeny, and in particular rRNA-based molecular phylogeny, cut its first teeth.
DOOLITTLE: I think you've described the correct approach in trying to get new support for the endosymbiont hypothesis.