Frederic Bushman | May 9, 2004 | 5 min read
Frederic D. BushmanCourtesy of Frederic D. BushmanThe endosymbiotic theory, which posits that organelles such as chloroplasts and mitochondria descended from formerly independent cells, has received wide acceptance in the last third of the 20th century. But recent findings suggest that endosymbiotic processes may have contributed still more cellular components, chloroplasts and mitochondria being simply the most easily identified examples.Genomic analyses across a broad spectrum of organisms hav