Sentences with phrase «as endosymbiosis»
The hypothesized process by which prokaryotes gave rise to the first eukaryotic cells is known as endosymbiosis, and certainly ranks among the most important evolutionary events.
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As do others in the field, Lake acknowledges that these models are mostly conjecture, but he is optimistic about the chances of endosymbiosis proving to be correct in the long run.
Jim Lake, a molecular biologist at the University of California at Los Angeles interprets Gupta's finding as support for a more traditional endosymbiosis between the two organisms.
Thomas Cavalier - Smith of the University of Oxford estimates that event may have been 135 million to 380 million years ago; if this endosymbiosis had occurred just once, then these microbes may have been harnessing sunlight as far back as 540 million years ago.
That fact that mitochondria have their own DNA, RNA, and ribosomes, supports the endosymbiosis theory, as does the existence of the amoeba, a eukaryotic organism that lacks mitochondria and therefore requires a symbiotic relationship with an aerobic bacterium.
It was not until 1967 before the endosymbiotic theory was re-popularized again by the late Lynn Margulis, by a model known as the Serial Endosymbiosis Theory, or SET [2].