But until now, experts thought the most
primitive eukaryotes were the exception to this rule.
This group's achievement shows the possibility to clarify the mechanism of human tumor formation, especially the molecular mechanism responsible for in the initial stage of cell cancerization due to DNA damaged by radiation in the initial stage, by using the model of budding yeast,
a primitive eukaryote.
At some point, an archaeon or
a primitive eukaryote engulfed a bacterium, developing a symbiotic relationship.
Not exact matches
The first option, called the big - bang or mitochondria - early theory, predicts that a
primitive archaeon engulfed a bacterium, an event that drove the development of
eukaryotes.
Mitochondrial merger
Eukaryotes have a number of innovations compared to their more
primitive archaeon ancestors.
The theory holds that the
eukaryote mitochodrion evolved from a small, autotrophic bacterium that was engulfed by a larger
primitive, heterotrophic, eukaryotic cell.