Perspective

Organelle Genomes--Going, Going, Gone

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Science  07 Feb 1997:
Vol. 275, Issue 5301, pp. 790
DOI: 10.1126/science.275.5301.790

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Summary

The organelles of eukaryotic cells—chloroplasts and mitochondria—first arose as engulfed symbionts with their own genomes. They subsequently lost most of their genes to the nucleus, retaining a few that could not be transferred. In his Perspective, Palmer discusses recent evidence that suggests that another organelle, the hydrogenosome, is a highly modified mitochondrion that has lost all of its genetic material.

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